[ 1894.636017][ C1] madvise_pageout+0x1f4/0x400 [ 1894.636030][ C1] ? __pfx_madvise_pageout+0x10/0x10 [ 1894.636043][ C1] ? futex_wait+0x552/0x680 [ 1894.636059][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 1894.636075][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 1894.636086][ C1] ? mas_prev_setup.constprop.0+0xb4/0x530 [ 1894.636102][ C1] madvise_vma_behavior+0x8fa/0xe30 [ 1894.636116][ C1] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 1894.636129][ C1] ? find_vma_prev+0xf5/0x170 [ 1894.636139][ C1] ? __pfx_find_vma_prev+0x10/0x10 [ 1894.636151][ C1] ? do_futex+0x135/0x360 [ 1894.636165][ C1] do_madvise+0x3af/0x650 [ 1894.636178][ C1] ? __pfx_do_madvise+0x10/0x10 [ 1894.636190][ C1] ? __se_sys_futex+0xf7/0x390 [ 1894.636203][ C1] ? kvm_steal_clock+0xca/0x100 [ 1894.636220][ C1] ? get_vtime_delta+0xd7/0x250 [ 1894.636234][ C1] __x64_sys_madvise+0xaf/0x120 [ 1894.636246][ C1] ? __ct_user_exit+0x70/0xe0 [ 1894.636261][ C1] do_syscall_64+0x59/0x110 [ 1894.636276][ C1] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 1894.636290][ C1] RIP: 0033:0x54d2cd [ 1894.636298][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1894.636306][ C1] RSP: 002b:00007f10a7955048 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 1894.636315][ C1] RAX: ffffffffffffffda RBX: 0000000000795fa0 RCX: 000000000054d2cd [ 1894.636321][ C1] RDX: 0000000000000015 RSI: 0000000000003000 RDI: 0000000020001000 [ 1894.636326][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1894.636332][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000795fac [ 1894.636337][ C1] R13: 0000000000000000 R14: 0000000000795fa0 R15: 00007f10a7935000 [ 1894.636346][ C1] [ 1901.634222][ C3] watchdog: BUG: soft lockup - CPU#3 stuck for 913s! [syz.8.781:8076] [ 1901.634947][ C3] Modules linked in: [ 1901.635261][ C3] CPU: 3 PID: 8076 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 1901.635981][ C3] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 1901.636735][ C3] RIP: 0010:queued_spin_lock_slowpath+0x109/0x9c0 [ 1901.637281][ C3] Code: 00 48 8b 44 24 60 65 48 2b 04 25 28 00 00 00 0f 85 ca 07 00 00 48 83 c4 68 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 85 81 fe 00 01 00 00 0f 84 dc 00 00 00 81 fe ff 00 00 00 0f 87 [ 1901.638858][ C3] RSP: 0000:ff1100002900f8b0 EFLAGS: 00000202 [ 1901.639364][ C3] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff961f5ecd [ 1901.640001][ C3] RDX: fffa7c000005f936 RSI: 0000000000000004 RDI: ffd40000002fc9a8 [ 1901.640624][ C3] RBP: 0000000000000003 R08: 0000000000000000 R09: fffa7c000005f935 [ 1901.641255][ C3] R10: ffd40000002fc9ab R11: 0000000000000000 R12: fffa7c000005f935 [ 1901.641905][ C3] R13: 0000000000000001 R14: 1fe2200005201f17 R15: ffd40000002fc9a8 [ 1901.642527][ C3] FS: 000000002316c500(0000) GS:ff11000107980000(0000) knlGS:0000000000000000 [ 1901.643272][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1901.643818][ C3] CR2: 0000000020000000 CR3: 0000000036592004 CR4: 0000000000771ee0 [ 1901.644469][ C3] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1901.645105][ C3] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1901.645724][ C3] PKRU: 80000000 [ 1901.646010][ C3] Call Trace: [ 1901.646287][ C3] [ 1901.646526][ C3] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 1901.647053][ C3] _raw_spin_lock+0xd0/0xe0 [ 1901.647450][ C3] ? __pfx__raw_spin_lock+0x10/0x10 [ 1901.647883][ C3] __pte_offset_map_lock+0x129/0x270 [ 1901.648335][ C3] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 1901.648820][ C3] migration_entry_wait+0x85/0x270 [ 1901.649247][ C3] ? __pfx_migration_entry_wait+0x10/0x10 [ 1901.649705][ C3] ? __pfx___schedule+0x10/0x10 [ 1901.650122][ C3] ? __hrtimer_start_range_ns+0x355/0xd00 [ 1901.650623][ C3] do_swap_page+0x36d2/0x4670 [ 1901.651016][ C3] ? plist_del+0x24c/0x450 [ 1901.651453][ C3] ? __pte_offset_map+0x2b9/0x3d0 [ 1901.651981][ C3] ? __pfx_do_swap_page+0x10/0x10 [ 1901.652432][ C3] ? __pfx_default_wake_function+0x10/0x10 [ 1901.652947][ C3] handle_pte_fault+0x5ae/0x7b0 [ 1901.653387][ C3] __handle_mm_fault+0xf9e/0x17f0 [ 1901.653839][ C3] ? __pfx___handle_mm_fault+0x10/0x10 [ 1901.654335][ C3] ? lock_vma_under_rcu+0x377/0x4d0 [ 1901.654797][ C3] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 1901.655294][ C3] handle_mm_fault+0x4bf/0xa20 [ 1901.655725][ C3] exc_page_fault+0x20b/0x7f0 [ 1901.656150][ C3] asm_exc_page_fault+0x26/0x30 [ 1901.656582][ C3] RIP: 0033:0x51d788 [ 1901.656927][ C3] Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f [ 1901.658618][ C3] RSP: 002b:00007fff991f9118 EFLAGS: 00010202 [ 1901.659157][ C3] RAX: 0000000020000000 RBX: 0000000000000004 RCX: 002367732f766564 [ 1901.659856][ C3] RDX: 0000000000000009 RSI: 2367732f7665642f RDI: 0000000020000000 [ 1901.660553][ C3] RBP: 0000000000797ba0 R08: 00007f10a7800000 R09: 0000000000000001 [ 1901.661240][ C3] R10: 0000000000000001 R11: 0000000000000009 R12: 0000000000000032 [ 1901.661906][ C3] R13: 00000000000e2c77 R14: 0000000000795fa0 R15: 0000000000795fac [ 1901.662589][ C3] [ 1901.662864][ C3] Sending NMI from CPU 3 to CPUs 0-2: [ 1901.663358][ C1] NMI backtrace for cpu 1 [ 1901.663365][ C1] AAA2 1901441189248 1901441163169 0 0 0 1901441162197 [ 1901.663374][ C1] AAA2 1901441197984 993372484411 993372484804 993372484875 928887973527 928887973577 928887974425 // handle_softirqs [ 1901.663383][ C1] softirq_handle_start: [ 1901.663385][ C1] 0 [ 1901.663387][ C1] 928330006990 [ 1901.663390][ C1] 924221567459 [ 1901.663392][ C1] 928817263100 [ 1901.663395][ C1] 928328744939 [ 1901.663397][ C1] 0 [ 1901.663399][ C1] 921062008817 [ 1901.663401][ C1] 928879010614 [ 1901.663403][ C1] 0 [ 1901.663405][ C1] 928887973635 [ 1901.663407][ C1] [ 1901.663409][ C1] softirq_handle_end_time: [ 1901.663410][ C1] 0 [ 1901.663412][ C1] 928330009295 [ 1901.663415][ C1] 924221568491 [ 1901.663417][ C1] 928817511439 [ 1901.663419][ C1] 928328806233 [ 1901.663421][ C1] 0 [ 1901.663423][ C1] 921062009968 [ 1901.663425][ C1] 928879011708 [ 1901.663427][ C1] 0 [ 1901.663429][ C1] 928887974243 [ 1901.663432][ C1] [ 1901.663434][ C1] CPU: 1 PID: 8079 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 1901.663444][ C1] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 1901.663448][ C1] RIP: 0010:irq_work_claim+0x5c/0xa0 [ 1901.663464][ C1] Code: 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 44 8b 5b 08 e8 c3 74 e7 ff 89 da 41 89 dc 89 d8 83 ca 23 f0 0f b1 55 00 <41> 0f 94 c5 31 ff 89 c3 44 89 ee e8 74 6a e7 ff 45 84 ed 74 d7 e8 [ 1901.663473][ C1] RSP: 0018:ff11000107889c68 EFLAGS: 00000046 [ 1901.663480][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8dc11a4d [ 1901.663486][ C1] RDX: 0000000000000023 RSI: 0000000000000004 RDI: ff110001078c6838 [ 1901.663491][ C1] RBP: ff110001078c6838 R08: 0000000000000001 R09: ffe21c0020f18d07 [ 1901.663496][ C1] R10: ff110001078c683b R11: 0000000000000000 R12: 0000000000000000 [ 1901.663502][ C1] R13: ff110001078c6bf0 R14: 0000000000000000 R15: ffffffff99f43000 [ 1901.663507][ C1] FS: 00007f10a79556c0(0000) GS:ff11000107880000(0000) knlGS:0000000000000000 [ 1901.663517][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1901.663523][ C1] CR2: 0000000000638300 CR3: 0000000036592002 CR4: 0000000000771ee0 [ 1901.663529][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1901.663534][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1901.663539][ C1] PKRU: 00000000 [ 1901.663542][ C1] Call Trace: [ 1901.663546][ C1] [ 1901.663551][ C1] irq_work_queue_on+0x59/0x130 [ 1901.663563][ C1] rcu_read_unlock_special+0x46a/0x530 [ 1901.663577][ C1] bpf_trace_run2+0xf7/0x220 [ 1901.663588][ C1] ? __pfx_bpf_trace_run2+0x10/0x10 [ 1901.663599][ C1] ? __pfx_ep_poll_callback+0x10/0x10 [ 1901.663613][ C1] __bpf_trace_tick_stop+0xb4/0xf0 [ 1901.663623][ C1] ? __pfx___bpf_trace_tick_stop+0x10/0x10 [ 1901.663633][ C1] ? __pfx_sched_clock_cpu+0x10/0x10 [ 1901.663643][ C1] ? __wake_up+0x44/0x60 [ 1901.663657][ C1] check_tick_dependency+0x362/0x670 [ 1901.663673][ C1] __tick_nohz_full_update_tick+0xd1/0x220 [ 1901.663683][ C1] tick_nohz_irq_exit+0x22c/0x2a0 [ 1901.663694][ C1] sysvec_irq_work+0x36/0x80 [ 1901.663705][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 1901.663720][ C1] RIP: 0010:handle_softirqs+0x230/0x8d0 [ 1901.663734][ C1] Code: 24 f5 80 5d 84 98 e8 1f 9b 27 00 4c 89 e2 48 c1 ea 03 42 80 3c 3a 00 0f 85 d5 05 00 00 49 89 04 24 fb 65 44 8b 35 0c 2c 93 72 <4d> 63 f6 49 c7 c4 20 0c 03 00 4a 8d 3c f5 80 5d 84 98 48 89 f8 48 [ 1901.663742][ C1] RSP: 0018:ff11000107889f68 EFLAGS: 00000246 [ 1901.663748][ C1] RAX: 000000e7499d350b RBX: 0000000000000000 RCX: 0000000000000018 [ 1901.663754][ C1] RDX: 1fe2200020f16185 RSI: 00000000001e2170 RDI: 0000000000000004 [ 1901.663759][ C1] RBP: ff1100003ae422c0 R08: 0000000000000001 R09: ffe21c0020f16239 [ 1901.663765][ C1] R10: 00000000001e2170 R11: 3030303030302052 R12: ff110001078b0c28 [ 1901.663770][ C1] R13: 0000000000400140 R14: 0000000000000001 R15: dffffc0000000000 [ 1901.663779][ C1] ? handle_softirqs+0x211/0x8d0 [ 1901.663792][ C1] ? update_sibling_normalize_runtime+0x1a/0x410 [ 1901.663807][ C1] irq_exit_rcu+0x134/0x190 [ 1901.663820][ C1] sysvec_irq_work+0x6a/0x80 [ 1901.663830][ C1] [ 1901.663833][ C1] [ 1901.663835][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 1901.663849][ C1] RIP: 0010:rcu_read_unlock_special+0x186/0x530 [ 1901.663861][ C1] Code: 0f 85 01 01 00 00 4d 85 f6 0f 84 6a 01 00 00 40 84 ed 0f 84 61 01 00 00 bf 09 00 00 00 e8 c2 45 df ff fb 65 8b 2d 26 65 72 72 <48> 63 ed 48 c7 c3 40 1a 03 00 48 b8 00 00 00 00 00 fc ff df 48 8d [ 1901.663869][ C1] RSP: 0018:ff110000380b6fe8 EFLAGS: 00000283 [ 1901.663875][ C1] RAX: 0000000000000001 RBX: ff110001078c6800 RCX: ffffffff8d7c6a90 [ 1901.663881][ C1] RDX: 0000000000000001 RSI: 0000000000000046 RDI: ff11000100e33084 [ 1901.663886][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff3716ab4 [ 1901.663891][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 1901.663896][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff99f43000 [ 1901.663903][ C1] ? ttwu_do_activate+0x520/0x6f0 [ 1901.663918][ C1] ? rcu_read_unlock_special+0x17e/0x530 [ 1901.663930][ C1] page_vma_mapped_walk+0x1e00/0x2b50 [ 1901.663948][ C1] ? __netlink_deliver_tap_skb+0x352/0x4d0 [ 1901.663959][ C1] ? __pfx_page_vma_mapped_walk+0x10/0x10 [ 1901.663974][ C1] ? netlink_ack+0x614/0xba0 [ 1901.663986][ C1] try_to_migrate_one+0x3f0/0x2cb0 [ 1901.663999][ C1] ? __sys_sendmsg+0xee/0x1b0 [ 1901.664015][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 1901.664028][ C1] ? __orc_find+0x109/0x140 [ 1901.664041][ C1] ? arch_stack_walk+0x92/0x160 [ 1901.664058][ C1] ? __anon_vma_interval_tree_subtree_search+0x171/0x1f0 [ 1901.664080][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 1901.664094][ C1] rmap_walk_anon+0x2b0/0x980 [ 1901.664108][ C1] try_to_migrate+0x19f/0x350 [ 1901.664122][ C1] ? __pfx_try_to_migrate+0x10/0x10 [ 1901.664135][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 1901.664148][ C1] ? __pfx_folio_not_mapped+0x10/0x10 [ 1901.664159][ C1] ? __pfx_folio_lock_anon_vma_read+0x10/0x10 [ 1901.664173][ C1] ? __pfx_invalid_migration_vma+0x10/0x10 [ 1901.664184][ C1] ? folio_total_mapcount+0xb4/0x210 [ 1901.664197][ C1] split_huge_page_to_list_to_order+0xc84/0x17f0 [ 1901.664213][ C1] ? __pfx_split_huge_page_to_list_to_order+0x10/0x10 [ 1901.664226][ C1] ? __orc_find+0x109/0x140 [ 1901.664240][ C1] ? __orc_find+0x109/0x140 [ 1901.664253][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 1901.664269][ C1] madvise_cold_or_pageout_pte_range+0x1966/0x2450 [ 1901.664284][ C1] ? arch_stack_walk+0x92/0x160 [ 1901.664298][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 1901.664311][ C1] ? deref_stack_reg+0x1a4/0x2b0 [ 1901.664326][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 1901.664340][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 1901.664354][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 1901.664368][ C1] ? __orc_find+0x109/0x140 [ 1901.664381][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 1901.664395][ C1] walk_pmd_range.isra.0+0x240/0x720 [ 1901.664405][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 1901.664419][ C1] walk_pud_range.isra.0+0x3d3/0x6c0 [ 1901.664431][ C1] walk_p4d_range+0x2ef/0x4f0 [ 1901.664441][ C1] walk_pgd_range+0x27e/0x530 [ 1901.664452][ C1] __walk_page_range+0x4ab/0x5a0 [ 1901.664461][ C1] ? find_vma+0x81/0xb0 [ 1901.664469][ C1] ? __pfx_find_vma+0x10/0x10 [ 1901.664477][ C1] ? folios_put_refs+0x510/0x740 [ 1901.664487][ C1] ? walk_page_test+0xa0/0x190 [ 1901.664503][ C1] walk_page_range+0x2a0/0x530 [ 1901.664513][ C1] ? __pfx_walk_page_range+0x10/0x10 [ 1901.664522][ C1] ? vtime_task_switch_generic+0x278/0x5a0 [ 1901.664535][ C1] ? folio_batch_move_lru+0x2b8/0x3d0 [ 1901.664544][ C1] ? __pfx_lru_add_fn+0x10/0x10 [ 1901.664554][ C1] madvise_pageout_page_range+0x1cc/0x6d0 [ 1901.664567][ C1] ? __pfx_madvise_pageout_page_range+0x10/0x10 [ 1901.664582][ C1] madvise_pageout+0x1f4/0x400 [ 1901.664595][ C1] ? __pfx_madvise_pageout+0x10/0x10 [ 1901.664608][ C1] ? futex_wait+0x552/0x680 [ 1901.664624][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 1901.664635][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 1901.664645][ C1] ? mas_prev_setup.constprop.0+0xb4/0x530 [ 1901.664661][ C1] madvise_vma_behavior+0x8fa/0xe30 [ 1901.664675][ C1] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 1901.664688][ C1] ? find_vma_prev+0xf5/0x170 [ 1901.664698][ C1] ? __pfx_find_vma_prev+0x10/0x10 [ 1901.664711][ C1] ? do_futex+0x135/0x360 [ 1901.664724][ C1] do_madvise+0x3af/0x650 [ 1901.664737][ C1] ? __pfx_do_madvise+0x10/0x10 [ 1901.664749][ C1] ? __se_sys_futex+0xf7/0x390 [ 1901.664762][ C1] ? kvm_steal_clock+0xca/0x100 [ 1901.664778][ C1] ? get_vtime_delta+0xd7/0x250 [ 1901.664793][ C1] __x64_sys_madvise+0xaf/0x120 [ 1901.664805][ C1] ? __ct_user_exit+0x70/0xe0 [ 1901.664819][ C1] do_syscall_64+0x59/0x110 [ 1901.664834][ C1] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 1901.664849][ C1] RIP: 0033:0x54d2cd [ 1901.664856][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1901.664864][ C1] RSP: 002b:00007f10a7955048 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 1901.664873][ C1] RAX: ffffffffffffffda RBX: 0000000000795fa0 RCX: 000000000054d2cd [ 1901.664878][ C1] RDX: 0000000000000015 RSI: 0000000000003000 RDI: 0000000020001000 [ 1901.664884][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1901.664889][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000795fac [ 1901.664894][ C1] R13: 0000000000000000 R14: 0000000000795fa0 R15: 00007f10a7935000 [ 1901.664903][ C1] [ 1901.664908][ C2] NMI backtrace for cpu 2 [ 1901.664927][ C2] AAA2 1901442750380 928616117678 0 0 0 928616122779 [ 1901.664955][ C2] AAA2 1901442779231 1901441042702 1901441042982 1901441043133 1901441043281 1901441043425 1901441149133 [ 1901.664990][ C2] softirq_handle_start: [ 1901.664999][ C2] 0 [ 1901.665010][ C2] 1901441043574 [ 1901.665023][ C2] 927808535269 [ 1901.665035][ C2] 1901193600384 [ 1901.665047][ C2] 28776582930 [ 1901.665060][ C2] 0 [ 1901.665087][ C2] 0 [ 1901.665095][ C2] 1901440051177 [ 1901.665103][ C2] 0 [ 1901.665110][ C2] 928888742270 [ 1901.665118][ C2] [ 1901.665122][ C2] softirq_handle_end_time: [ 1901.665128][ C2] 0 [ 1901.665134][ C2] 1901441148789 [ 1901.665142][ C2] 927808536719 [ 1901.665150][ C2] 1901193637121 [ 1901.665157][ C2] 28776591391 [ 1901.665165][ C2] 0 [ 1901.665172][ C2] 0 [ 1901.665178][ C2] 1901440068820 [ 1901.665186][ C2] 0 [ 1901.665192][ C2] 928888825436 [ 1901.665200][ C2] [ 1901.665206][ C2] CPU: 2 PID: 17 Comm: rcu_preempt Tainted: G L 6.6.0+ #1873 [ 1901.665240][ C2] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 1901.665255][ C2] RIP: 0010:find_busiest_group+0x1493/0x2830 [ 1901.665310][ C2] Code: ff 49 8d 7d 40 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 83 11 00 00 41 c7 45 40 01 00 00 00 e9 7f f4 ff ff <49> 8d 7d 38 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 [ 1901.665339][ C2] RSP: 0018:ff11000100c7f4e8 EFLAGS: 00000097 [ 1901.665363][ C2] RAX: 0000000000000001 RBX: ff11000100e51800 RCX: 0000000000000000 [ 1901.665383][ C2] RDX: 1fe220002018fede RSI: 0000000000000000 RDI: ff11000100c7f6f0 [ 1901.665401][ C2] RBP: ff11000100eaeb00 R08: 0000000000000075 R09: ff11000100eaea00 [ 1901.665420][ C2] R10: 0000000000000000 R11: 0000000000000000 R12: ff11000100eaea18 [ 1901.665437][ C2] R13: ff11000100c7f6a8 R14: dffffc0000000000 R15: ff11000100c7f848 [ 1901.665457][ C2] FS: 0000000000000000(0000) GS:ff11000107900000(0000) knlGS:0000000000000000 [ 1901.665489][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1901.665510][ C2] CR2: 00007f2b5a37b000 CR3: 0000000105636005 CR4: 0000000000771ee0 [ 1901.665530][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1901.665547][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1901.665565][ C2] PKRU: 55555554 [ 1901.665575][ C2] Call Trace: [ 1901.665585][ C2] [ 1901.665607][ C2] ? __pfx_find_busiest_group+0x10/0x10 [ 1901.665682][ C2] ? __pfx__raw_spin_lock+0x10/0x10 [ 1901.665726][ C2] ? __bitmap_and+0x18e/0x210 [ 1901.665775][ C2] load_balance+0x212/0x1280 [ 1901.665821][ C2] ? __update_blocked_fair+0x227/0x2e90 [ 1901.665874][ C2] ? __pfx_load_balance+0x10/0x10 [ 1901.665927][ C2] ? __pfx__raw_spin_lock+0x10/0x10 [ 1901.665970][ C2] ? sched_clock_cpu+0x6d/0x4c0 [ 1901.666015][ C2] newidle_balance+0x51b/0xc90 [ 1901.666108][ C2] ? __pfx_newidle_balance+0x10/0x10 [ 1901.666155][ C2] ? sched_clock+0x38/0x60 [ 1901.666193][ C2] pick_next_task_fair+0x66d/0x23c0 [ 1901.666249][ C2] __schedule+0x4c5/0x1fb0 [ 1901.666298][ C2] ? __pfx___schedule+0x10/0x10 [ 1901.666342][ C2] ? _raw_spin_lock_irqsave+0x8b/0xf0 [ 1901.666387][ C2] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 1901.666432][ C2] ? __try_to_del_timer_sync+0x103/0x160 [ 1901.666465][ C2] ? __pfx___try_to_del_timer_sync+0x10/0x10 [ 1901.666500][ C2] ? housekeeping_test_cpu+0x6f/0x90 [ 1901.666542][ C2] ? get_nohz_timer_target+0xdf/0x5d0 [ 1901.666587][ C2] schedule+0x134/0x280 [ 1901.666632][ C2] schedule_timeout+0x4c2/0x770 [ 1901.666673][ C2] ? _raw_spin_lock_irqsave+0x8b/0xf0 [ 1901.666719][ C2] ? __pfx_schedule_timeout+0x10/0x10 [ 1901.666762][ C2] ? _raw_spin_lock_irqsave+0x8b/0xf0 [ 1901.666807][ C2] ? __pfx_process_timeout+0x10/0x10 [ 1901.666840][ C2] ? __pfx_rcu_implicit_dynticks_qs+0x10/0x10 [ 1901.666888][ C2] ? prepare_to_swait_event+0x11e/0x430 [ 1901.666921][ C2] rcu_gp_fqs_loop+0x1bf/0x9d0 [ 1901.666961][ C2] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 1901.667013][ C2] ? finish_swait+0x9e/0x240 [ 1901.667063][ C2] rcu_gp_kthread+0x277/0x400 [ 1901.667138][ C2] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 1901.667184][ C2] ? __pfx_set_cpus_allowed_ptr+0x10/0x10 [ 1901.667235][ C2] ? __kthread_parkme+0x10d/0x190 [ 1901.667276][ C2] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 1901.667320][ C2] kthread+0x2f4/0x3f0 [ 1901.667367][ C2] ? __pfx_kthread+0x10/0x10 [ 1901.667418][ C2] ret_from_fork+0x4a/0x80 [ 1901.667460][ C2] ? __pfx_kthread+0x10/0x10 [ 1901.667510][ C2] ret_from_fork_asm+0x1b/0x30 [ 1901.667555][ C2] [ 1901.667567][ C0] NMI backtrace for cpu 0 [ 1901.667583][ C0] AAA2 1901445406480 928856909383 0 0 0 928856909774 [ 1901.667608][ C0] AAA2 1901445431980 1901439056150 1901439056650 1901439056896 1901439057156 1901439057448 1901439092009 [ 1901.667637][ C0] softirq_handle_start: [ 1901.667642][ C0] 0 [ 1901.667648][ C0] 1901437034812 [ 1901.667655][ C0] 928873837201 [ 1901.667662][ C0] 1873956031919 [ 1901.667669][ C0] 0 [ 1901.667675][ C0] 0 [ 1901.667681][ C0] 928609012446 [ 1901.667688][ C0] 1901439057689 [ 1901.667695][ C0] 0 [ 1901.667701][ C0] 928888606411 [ 1901.667707][ C0] [ 1901.667711][ C0] softirq_handle_end_time: [ 1901.667716][ C0] 0 [ 1901.667722][ C0] 1901437060853 [ 1901.667729][ C0] 928873838583 [ 1901.667736][ C0] 1873957586746 [ 1901.667743][ C0] 0 [ 1901.667749][ C0] 0 [ 1901.667755][ C0] 928609013591 [ 1901.667762][ C0] 1901439091316 [ 1901.667769][ C0] 0 [ 1901.667774][ C0] 928888785127 [ 1901.667782][ C0] [ 1901.667787][ C0] CPU: 0 PID: 8956 Comm: kworker/u8:1 Tainted: G L 6.6.0+ #1873 [ 1901.667817][ C0] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 1901.667833][ C0] Workqueue: events_unbound nsim_dev_trap_report_work [ 1901.667898][ C0] RIP: 0010:process_one_work+0x94a/0x1020 [ 1901.667934][ C0] Code: 3c 03 0f 8e e5 03 00 00 c7 43 30 ff ff ff 7f 48 8b 74 24 48 48 83 c4 58 4c 89 e7 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f6 db ff ff 41 fa 31 00 41 81 e5 88 01 00 00 31 ff 44 89 ee e8 60 f0 31 00 [ 1901.667961][ C0] RSP: 0018:ff1100006e90fda8 EFLAGS: 00000002 [ 1901.667982][ C0] RAX: 0000000000000000 RBX: ff11000037aa1e00 RCX: ffffffff8d769330 [ 1901.668001][ C0] RDX: ff1100006ebea2c0 RSI: 0000000000000000 RDI: 0000000000000005 [ 1901.668019][ C0] RBP: ff11000100071000 R08: 0000000000000001 R09: ffe21c000dd21faa [ 1901.668038][ C0] R10: 0000000000000080 R11: 0000000000000001 R12: ff11000100116d00 [ 1901.668055][ C0] R13: 0000000000000080 R14: 0000000000000080 R15: ffffffff9284bec0 [ 1901.668089][ C0] FS: 0000000000000000(0000) GS:ff11000107800000(0000) knlGS:0000000000000000 [ 1901.668119][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1901.668139][ C0] CR2: 00007f77e1f86000 CR3: 00000000088d0002 CR4: 0000000000771ef0 [ 1901.668156][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1901.668172][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1901.668189][ C0] PKRU: 55555554 [ 1901.668198][ C0] Call Trace: [ 1901.668212][ C0] [ 1901.668240][ C0] worker_thread+0x849/0x1090 [ 1901.668297][ C0] ? __kthread_parkme+0x10d/0x190 [ 1901.668335][ C0] ? __pfx_worker_thread+0x10/0x10 [ 1901.668364][ C0] kthread+0x2f4/0x3f0 [ 1901.668403][ C0] ? __pfx_kthread+0x10/0x10 [ 1901.668444][ C0] ret_from_fork+0x4a/0x80 [ 1901.668479][ C0] ? __pfx_kthread+0x10/0x10 [ 1901.668519][ C0] ret_from_fork_asm+0x1b/0x30 [ 1901.668556][ C0] [ 2013.245598][ C3] perf: interrupt took too long (5525 > 5362), lowering kernel.perf_event_max_sample_rate to 36000 [ 2069.210124][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 2069.212232][ C0] rcu: BBB 2068990137232 928856909383 0 0 0 928856909774 [ 2069.214280][ C0] rcu: BBB 2068992185298 2068986047715 2068986048070 2068986048234 2068986048400 2068986048562 2068986245132 [ 2069.217571][ C0] rcu: 1-....: (1 ticks this GP) idle=a97c/1/0x4000000000000000 softirq=26480/26480 fqs=474201 [ 2069.220202][ C0] rcu: (detected by 0, t=1140107 jiffies, g=99129, q=4647382 ncpus=4) [ 2069.222105][ C0] Sending NMI from CPU 0 to CPUs 1: [ 2069.223354][ C1] NMI backtrace for cpu 1 [ 2069.223363][ C1] AAA2 2069001268135 2069001236634 0 0 0 2069001236976 [ 2069.223372][ C1] AAA2 2069001277548 993372484411 993372484804 993372484875 928887973527 928887973577 928887974425 [ 2069.223381][ C1] softirq_handle_start: [ 2069.223383][ C1] 0 [ 2069.223386][ C1] 928330006990 [ 2069.223389][ C1] 924221567459 [ 2069.223391][ C1] 928817263100 [ 2069.223393][ C1] 928328744939 [ 2069.223395][ C1] 0 [ 2069.223397][ C1] 921062008817 [ 2069.223400][ C1] 928879010614 [ 2069.223402][ C1] 0 [ 2069.223404][ C1] 928887973635 [ 2069.223406][ C1] [ 2069.223408][ C1] softirq_handle_end_time: [ 2069.223410][ C1] 0 [ 2069.223412][ C1] 928330009295 [ 2069.223414][ C1] 924221568491 [ 2069.223416][ C1] 928817511439 [ 2069.223418][ C1] 928328806233 [ 2069.223421][ C1] 0 [ 2069.223423][ C1] 921062009968 [ 2069.223425][ C1] 928879011708 [ 2069.223427][ C1] 0 [ 2069.223429][ C1] 928887974243 [ 2069.223431][ C1] [ 2069.223434][ C1] CPU: 1 PID: 8079 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 2069.223457][ C1] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 2069.223462][ C1] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 2069.223490][ C1] Code: f6 31 d2 89 cf e9 d1 a5 e9 01 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 2069.223499][ C1] RSP: 0018:ff11000107889e78 EFLAGS: 00000046 [ 2069.223507][ C1] RAX: 0000000000000000 RBX: ff110001078c8000 RCX: 000000000000080b [ 2069.223513][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 2069.223519][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffe21c0020f19008 [ 2069.223524][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2069.223529][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2069.223535][ C1] FS: 00007f10a79556c0(0000) GS:ff11000107880000(0000) knlGS:0000000000000000 [ 2069.223545][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2069.223551][ C1] CR2: 0000000000638300 CR3: 0000000036592002 CR4: 0000000000771ee0 [ 2069.223557][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2069.223562][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2069.223567][ C1] PKRU: 00000000 [ 2069.223570][ C1] Call Trace: [ 2069.223575][ C1] [ 2069.223579][ C1] kvm_guest_apic_eoi_write+0x45/0x50 [ 2069.223592][ C1] __sysvec_irq_work+0x14/0x210 [ 2069.223603][ C1] sysvec_irq_work+0x31/0x80 [ 2069.223620][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 2069.223636][ C1] RIP: 0010:handle_softirqs+0x230/0x8d0 [ 2069.223650][ C1] Code: 24 f5 80 5d 84 98 e8 1f 9b 27 00 4c 89 e2 48 c1 ea 03 42 80 3c 3a 00 0f 85 d5 05 00 00 49 89 04 24 fb 65 44 8b 35 0c 2c 93 72 <4d> 63 f6 49 c7 c4 20 0c 03 00 4a 8d 3c f5 80 5d 84 98 48 89 f8 48 [ 2069.223660][ C1] RSP: 0018:ff11000107889f68 EFLAGS: 00000246 [ 2069.223666][ C1] RAX: 000000e7499d350b RBX: 0000000000000000 RCX: 0000000000000018 [ 2069.223672][ C1] RDX: 1fe2200020f16185 RSI: 00000000001e2170 RDI: 0000000000000004 [ 2069.223678][ C1] RBP: ff1100003ae422c0 R08: 0000000000000001 R09: ffe21c0020f16239 [ 2069.223683][ C1] R10: 00000000001e2170 R11: 3030303030302052 R12: ff110001078b0c28 [ 2069.223689][ C1] R13: 0000000000400140 R14: 0000000000000001 R15: dffffc0000000000 [ 2069.223699][ C1] ? handle_softirqs+0x211/0x8d0 [ 2069.223713][ C1] ? update_sibling_normalize_runtime+0x1a/0x410 [ 2069.223728][ C1] irq_exit_rcu+0x134/0x190 [ 2069.223742][ C1] sysvec_irq_work+0x6a/0x80 [ 2069.223752][ C1] [ 2069.223755][ C1] [ 2069.223758][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 2069.223772][ C1] RIP: 0010:rcu_read_unlock_special+0x186/0x530 [ 2069.223785][ C1] Code: 0f 85 01 01 00 00 4d 85 f6 0f 84 6a 01 00 00 40 84 ed 0f 84 61 01 00 00 bf 09 00 00 00 e8 c2 45 df ff fb 65 8b 2d 26 65 72 72 <48> 63 ed 48 c7 c3 40 1a 03 00 48 b8 00 00 00 00 00 fc ff df 48 8d [ 2069.223794][ C1] RSP: 0018:ff110000380b6fe8 EFLAGS: 00000283 [ 2069.223800][ C1] RAX: 0000000000000001 RBX: ff110001078c6800 RCX: ffffffff8d7c6a90 [ 2069.223806][ C1] RDX: 0000000000000001 RSI: 0000000000000046 RDI: ff11000100e33084 [ 2069.223812][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff3716ab4 [ 2069.223817][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 2069.223822][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff99f43000 [ 2069.223830][ C1] ? ttwu_do_activate+0x520/0x6f0 [ 2069.223845][ C1] ? rcu_read_unlock_special+0x17e/0x530 [ 2069.223857][ C1] page_vma_mapped_walk+0x1e00/0x2b50 [ 2069.223877][ C1] ? __netlink_deliver_tap_skb+0x352/0x4d0 [ 2069.223888][ C1] ? __pfx_page_vma_mapped_walk+0x10/0x10 [ 2069.223903][ C1] ? netlink_ack+0x614/0xba0 [ 2069.223916][ C1] try_to_migrate_one+0x3f0/0x2cb0 [ 2069.223930][ C1] ? __sys_sendmsg+0xee/0x1b0 [ 2069.223946][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2069.223959][ C1] ? __orc_find+0x109/0x140 [ 2069.223972][ C1] ? arch_stack_walk+0x92/0x160 [ 2069.223989][ C1] ? __anon_vma_interval_tree_subtree_search+0x171/0x1f0 [ 2069.224005][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2069.224019][ C1] rmap_walk_anon+0x2b0/0x980 [ 2069.224033][ C1] try_to_migrate+0x19f/0x350 [ 2069.224046][ C1] ? __pfx_try_to_migrate+0x10/0x10 [ 2069.224060][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2069.224073][ C1] ? __pfx_folio_not_mapped+0x10/0x10 [ 2069.224092][ C1] ? __pfx_folio_lock_anon_vma_read+0x10/0x10 [ 2069.224106][ C1] ? __pfx_invalid_migration_vma+0x10/0x10 [ 2069.224117][ C1] ? folio_total_mapcount+0xb4/0x210 [ 2069.224131][ C1] split_huge_page_to_list_to_order+0xc84/0x17f0 [ 2069.224147][ C1] ? __pfx_split_huge_page_to_list_to_order+0x10/0x10 [ 2069.224160][ C1] ? __orc_find+0x109/0x140 [ 2069.224174][ C1] ? __orc_find+0x109/0x140 [ 2069.224187][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2069.224203][ C1] madvise_cold_or_pageout_pte_range+0x1966/0x2450 [ 2069.224218][ C1] ? arch_stack_walk+0x92/0x160 [ 2069.224232][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2069.224246][ C1] ? deref_stack_reg+0x1a4/0x2b0 [ 2069.224261][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2069.224276][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2069.224290][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2069.224304][ C1] ? __orc_find+0x109/0x140 [ 2069.224317][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2069.224331][ C1] walk_pmd_range.isra.0+0x240/0x720 [ 2069.224341][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2069.224356][ C1] walk_pud_range.isra.0+0x3d3/0x6c0 [ 2069.224367][ C1] walk_p4d_range+0x2ef/0x4f0 [ 2069.224378][ C1] walk_pgd_range+0x27e/0x530 [ 2069.224388][ C1] __walk_page_range+0x4ab/0x5a0 [ 2069.224397][ C1] ? find_vma+0x81/0xb0 [ 2069.224405][ C1] ? __pfx_find_vma+0x10/0x10 [ 2069.224413][ C1] ? folios_put_refs+0x510/0x740 [ 2069.224424][ C1] ? walk_page_test+0xa0/0x190 [ 2069.224439][ C1] walk_page_range+0x2a0/0x530 [ 2069.224449][ C1] ? __pfx_walk_page_range+0x10/0x10 [ 2069.224458][ C1] ? vtime_task_switch_generic+0x278/0x5a0 [ 2069.224471][ C1] ? folio_batch_move_lru+0x2b8/0x3d0 [ 2069.224481][ C1] ? __pfx_lru_add_fn+0x10/0x10 [ 2069.224490][ C1] madvise_pageout_page_range+0x1cc/0x6d0 [ 2069.224504][ C1] ? __pfx_madvise_pageout_page_range+0x10/0x10 [ 2069.224519][ C1] madvise_pageout+0x1f4/0x400 [ 2069.224532][ C1] ? __pfx_madvise_pageout+0x10/0x10 [ 2069.224545][ C1] ? futex_wait+0x552/0x680 [ 2069.224561][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2069.224572][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2069.224582][ C1] ? mas_prev_setup.constprop.0+0xb4/0x530 [ 2069.224599][ C1] madvise_vma_behavior+0x8fa/0xe30 [ 2069.224613][ C1] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 2069.224626][ C1] ? find_vma_prev+0xf5/0x170 [ 2069.224637][ C1] ? __pfx_find_vma_prev+0x10/0x10 [ 2069.224649][ C1] ? do_futex+0x135/0x360 [ 2069.224662][ C1] do_madvise+0x3af/0x650 [ 2069.224676][ C1] ? __pfx_do_madvise+0x10/0x10 [ 2069.224688][ C1] ? __se_sys_futex+0xf7/0x390 [ 2069.224701][ C1] ? kvm_steal_clock+0xca/0x100 [ 2069.224717][ C1] ? get_vtime_delta+0xd7/0x250 [ 2069.224731][ C1] __x64_sys_madvise+0xaf/0x120 [ 2069.224744][ C1] ? __ct_user_exit+0x70/0xe0 [ 2069.224758][ C1] do_syscall_64+0x59/0x110 [ 2069.224774][ C1] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 2069.224789][ C1] RIP: 0033:0x54d2cd [ 2069.224796][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2069.224805][ C1] RSP: 002b:00007f10a7955048 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 2069.224813][ C1] RAX: ffffffffffffffda RBX: 0000000000795fa0 RCX: 000000000054d2cd [ 2069.224819][ C1] RDX: 0000000000000015 RSI: 0000000000003000 RDI: 0000000020001000 [ 2069.224825][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2069.224830][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000795fac [ 2069.224835][ C1] R13: 0000000000000000 R14: 0000000000795fa0 R15: 00007f10a7935000 [ 2069.224844][ C1] [ 2074.851167][ T528] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1145742 jiffies s: 14109 root: 0x2/. [ 2074.853320][ T528] rcu: blocking rcu_node structures (internal RCU debug): [ 2074.854557][ T528] Sending NMI from CPU 0 to CPUs 1: [ 2074.855497][ C1] NMI backtrace for cpu 1 [ 2074.855503][ C1] AAA2 2074633411808 2074633384796 0 0 0 2074633385139 [ 2074.855513][ C1] AAA2 2074633421487 993372484411 993372484804 993372484875 928887973527 928887973577 928887974425 [ 2074.855523][ C1] softirq_handle_start: [ 2074.855525][ C1] 0 [ 2074.855527][ C1] 928330006990 [ 2074.855530][ C1] 924221567459 [ 2074.855532][ C1] 928817263100 [ 2074.855534][ C1] 928328744939 [ 2074.855537][ C1] 0 [ 2074.855539][ C1] 921062008817 [ 2074.855541][ C1] 928879010614 [ 2074.855543][ C1] 0 [ 2074.855545][ C1] 928887973635 [ 2074.855547][ C1] [ 2074.855549][ C1] softirq_handle_end_time: [ 2074.855550][ C1] 0 [ 2074.855552][ C1] 928330009295 [ 2074.855555][ C1] 924221568491 [ 2074.855557][ C1] 928817511439 [ 2074.855559][ C1] 928328806233 [ 2074.855562][ C1] 0 [ 2074.855564][ C1] 921062009968 [ 2074.855566][ C1] 928879011708 [ 2074.855568][ C1] 0 [ 2074.855570][ C1] 928887974243 [ 2074.855572][ C1] [ 2074.855575][ C1] CPU: 1 PID: 8079 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 2074.855585][ C1] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 2074.855590][ C1] RIP: 0010:asm_sysvec_irq_work+0x0/0x20 [ 2074.855611][ C1] Code: 06 14 fd ff e9 a1 05 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 51 04 00 00 48 89 c4 48 89 e7 e8 76 f4 fc ff e9 81 05 00 00 90 0f 1e fa 0f 01 ca fc 6a ff e8 31 04 00 00 48 89 c4 48 89 e7 e8 [ 2074.855620][ C1] RSP: 0018:ff11000107889f38 EFLAGS: 00000046 [ 2074.855628][ C1] RAX: 000000e7499d350b RBX: 0000000000000000 RCX: 0000000000000018 [ 2074.855634][ C1] RDX: 1fe2200020f16185 RSI: 00000000001e2170 RDI: 0000000000000004 [ 2074.855640][ C1] RBP: ff1100003ae422c0 R08: 0000000000000001 R09: ffe21c0020f16239 [ 2074.855645][ C1] R10: 00000000001e2170 R11: 3030303030302052 R12: ff110001078b0c28 [ 2074.855651][ C1] R13: 0000000000400140 R14: 0000000000000001 R15: dffffc0000000000 [ 2074.855657][ C1] FS: 00007f10a79556c0(0000) GS:ff11000107880000(0000) knlGS:0000000000000000 [ 2074.855667][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2074.855674][ C1] CR2: 0000000000638300 CR3: 0000000036592002 CR4: 0000000000771ee0 [ 2074.855679][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2074.855685][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2074.855690][ C1] PKRU: 00000000 [ 2074.855693][ C1] Call Trace: [ 2074.855697][ C1] [ 2074.855700][ C1] RIP: 0010:handle_softirqs+0x230/0x8d0 [ 2074.855715][ C1] Code: 24 f5 80 5d 84 98 e8 1f 9b 27 00 4c 89 e2 48 c1 ea 03 42 80 3c 3a 00 0f 85 d5 05 00 00 49 89 04 24 fb 65 44 8b 35 0c 2c 93 72 <4d> 63 f6 49 c7 c4 20 0c 03 00 4a 8d 3c f5 80 5d 84 98 48 89 f8 48 [ 2074.855724][ C1] RSP: 0018:ff11000107889f68 EFLAGS: 00000246 [ 2074.855732][ C1] ? handle_softirqs+0x211/0x8d0 [ 2074.855746][ C1] ? update_sibling_normalize_runtime+0x1a/0x410 [ 2074.855761][ C1] irq_exit_rcu+0x134/0x190 [ 2074.855775][ C1] sysvec_irq_work+0x6a/0x80 [ 2074.855787][ C1] [ 2074.855790][ C1] [ 2074.855792][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 2074.855807][ C1] RIP: 0010:rcu_read_unlock_special+0x186/0x530 [ 2074.855820][ C1] Code: 0f 85 01 01 00 00 4d 85 f6 0f 84 6a 01 00 00 40 84 ed 0f 84 61 01 00 00 bf 09 00 00 00 e8 c2 45 df ff fb 65 8b 2d 26 65 72 72 <48> 63 ed 48 c7 c3 40 1a 03 00 48 b8 00 00 00 00 00 fc ff df 48 8d [ 2074.855829][ C1] RSP: 0018:ff110000380b6fe8 EFLAGS: 00000283 [ 2074.855835][ C1] RAX: 0000000000000001 RBX: ff110001078c6800 RCX: ffffffff8d7c6a90 [ 2074.855841][ C1] RDX: 0000000000000001 RSI: 0000000000000046 RDI: ff11000100e33084 [ 2074.855847][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff3716ab4 [ 2074.855852][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 2074.855857][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff99f43000 [ 2074.855865][ C1] ? ttwu_do_activate+0x520/0x6f0 [ 2074.855881][ C1] ? rcu_read_unlock_special+0x17e/0x530 [ 2074.855894][ C1] page_vma_mapped_walk+0x1e00/0x2b50 [ 2074.855913][ C1] ? __netlink_deliver_tap_skb+0x352/0x4d0 [ 2074.855924][ C1] ? __pfx_page_vma_mapped_walk+0x10/0x10 [ 2074.855939][ C1] ? netlink_ack+0x614/0xba0 [ 2074.855952][ C1] try_to_migrate_one+0x3f0/0x2cb0 [ 2074.855967][ C1] ? __sys_sendmsg+0xee/0x1b0 [ 2074.855982][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2074.855996][ C1] ? __orc_find+0x109/0x140 [ 2074.856010][ C1] ? arch_stack_walk+0x92/0x160 [ 2074.856026][ C1] ? __anon_vma_interval_tree_subtree_search+0x171/0x1f0 [ 2074.856043][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2074.856056][ C1] rmap_walk_anon+0x2b0/0x980 [ 2074.856070][ C1] try_to_migrate+0x19f/0x350 [ 2074.856092][ C1] ? __pfx_try_to_migrate+0x10/0x10 [ 2074.856105][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2074.856118][ C1] ? __pfx_folio_not_mapped+0x10/0x10 [ 2074.856129][ C1] ? __pfx_folio_lock_anon_vma_read+0x10/0x10 [ 2074.856143][ C1] ? __pfx_invalid_migration_vma+0x10/0x10 [ 2074.856154][ C1] ? folio_total_mapcount+0xb4/0x210 [ 2074.856168][ C1] split_huge_page_to_list_to_order+0xc84/0x17f0 [ 2074.856184][ C1] ? __pfx_split_huge_page_to_list_to_order+0x10/0x10 [ 2074.856197][ C1] ? __orc_find+0x109/0x140 [ 2074.856211][ C1] ? __orc_find+0x109/0x140 [ 2074.856224][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2074.856239][ C1] madvise_cold_or_pageout_pte_range+0x1966/0x2450 [ 2074.856254][ C1] ? arch_stack_walk+0x92/0x160 [ 2074.856268][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2074.856282][ C1] ? deref_stack_reg+0x1a4/0x2b0 [ 2074.856296][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2074.856311][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2074.856325][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2074.856338][ C1] ? __orc_find+0x109/0x140 [ 2074.856352][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2074.856365][ C1] walk_pmd_range.isra.0+0x240/0x720 [ 2074.856376][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2074.856391][ C1] walk_pud_range.isra.0+0x3d3/0x6c0 [ 2074.856402][ C1] walk_p4d_range+0x2ef/0x4f0 [ 2074.856412][ C1] walk_pgd_range+0x27e/0x530 [ 2074.856423][ C1] __walk_page_range+0x4ab/0x5a0 [ 2074.856432][ C1] ? find_vma+0x81/0xb0 [ 2074.856440][ C1] ? __pfx_find_vma+0x10/0x10 [ 2074.856448][ C1] ? folios_put_refs+0x510/0x740 [ 2074.856458][ C1] ? walk_page_test+0xa0/0x190 [ 2074.856473][ C1] walk_page_range+0x2a0/0x530 [ 2074.856483][ C1] ? __pfx_walk_page_range+0x10/0x10 [ 2074.856492][ C1] ? vtime_task_switch_generic+0x278/0x5a0 [ 2074.856505][ C1] ? folio_batch_move_lru+0x2b8/0x3d0 [ 2074.856514][ C1] ? __pfx_lru_add_fn+0x10/0x10 [ 2074.856524][ C1] madvise_pageout_page_range+0x1cc/0x6d0 [ 2074.856538][ C1] ? __pfx_madvise_pageout_page_range+0x10/0x10 [ 2074.856553][ C1] madvise_pageout+0x1f4/0x400 [ 2074.856566][ C1] ? __pfx_madvise_pageout+0x10/0x10 [ 2074.856579][ C1] ? futex_wait+0x552/0x680 [ 2074.856595][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2074.856605][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2074.856615][ C1] ? mas_prev_setup.constprop.0+0xb4/0x530 [ 2074.856632][ C1] madvise_vma_behavior+0x8fa/0xe30 [ 2074.856646][ C1] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 2074.856660][ C1] ? find_vma_prev+0xf5/0x170 [ 2074.856670][ C1] ? __pfx_find_vma_prev+0x10/0x10 [ 2074.856682][ C1] ? do_futex+0x135/0x360 [ 2074.856695][ C1] do_madvise+0x3af/0x650 [ 2074.856708][ C1] ? __pfx_do_madvise+0x10/0x10 [ 2074.856720][ C1] ? __se_sys_futex+0xf7/0x390 [ 2074.856733][ C1] ? kvm_steal_clock+0xca/0x100 [ 2074.856749][ C1] ? get_vtime_delta+0xd7/0x250 [ 2074.856764][ C1] __x64_sys_madvise+0xaf/0x120 [ 2074.856776][ C1] ? __ct_user_exit+0x70/0xe0 [ 2074.856790][ C1] do_syscall_64+0x59/0x110 [ 2074.856806][ C1] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 2074.856821][ C1] RIP: 0033:0x54d2cd [ 2074.856828][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2074.856837][ C1] RSP: 002b:00007f10a7955048 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 2074.856845][ C1] RAX: ffffffffffffffda RBX: 0000000000795fa0 RCX: 000000000054d2cd [ 2074.856851][ C1] RDX: 0000000000000015 RSI: 0000000000003000 RDI: 0000000020001000 [ 2074.856857][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2074.856862][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000795fac [ 2074.856867][ C1] R13: 0000000000000000 R14: 0000000000795fa0 R15: 00007f10a7935000 [ 2074.856876][ C1] [ 2141.634105][ C3] watchdog: BUG: soft lockup - CPU#3 stuck for 1136s! [syz.8.781:8076] [ 2141.634824][ C3] Modules linked in: [ 2141.635152][ C3] CPU: 3 PID: 8076 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 2141.635864][ C3] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 2141.636602][ C3] RIP: 0010:queued_spin_lock_slowpath+0x109/0x9c0 [ 2141.637141][ C3] Code: 00 48 8b 44 24 60 65 48 2b 04 25 28 00 00 00 0f 85 ca 07 00 00 48 83 c4 68 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 85 81 fe 00 01 00 00 0f 84 dc 00 00 00 81 fe ff 00 00 00 0f 87 [ 2141.638704][ C3] RSP: 0000:ff1100002900f8b0 EFLAGS: 00000202 [ 2141.639207][ C3] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff961f5ecd [ 2141.639842][ C3] RDX: fffa7c000005f936 RSI: 0000000000000004 RDI: ffd40000002fc9a8 [ 2141.640484][ C3] RBP: 0000000000000003 R08: 0000000000000000 R09: fffa7c000005f935 [ 2141.641127][ C3] R10: ffd40000002fc9ab R11: 0000000000000000 R12: fffa7c000005f935 [ 2141.641764][ C3] R13: 0000000000000001 R14: 1fe2200005201f17 R15: ffd40000002fc9a8 [ 2141.642409][ C3] FS: 000000002316c500(0000) GS:ff11000107980000(0000) knlGS:0000000000000000 [ 2141.643139][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2141.643671][ C3] CR2: 0000000020000000 CR3: 0000000036592004 CR4: 0000000000771ee0 [ 2141.644321][ C3] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2141.644957][ C3] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2141.645626][ C3] PKRU: 80000000 [ 2141.645920][ C3] Call Trace: [ 2141.646213][ C3] [ 2141.646459][ C3] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2141.646973][ C3] _raw_spin_lock+0xd0/0xe0 [ 2141.647362][ C3] ? __pfx__raw_spin_lock+0x10/0x10 [ 2141.647800][ C3] __pte_offset_map_lock+0x129/0x270 [ 2141.648251][ C3] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 2141.648730][ C3] migration_entry_wait+0x85/0x270 [ 2141.649186][ C3] ? __pfx_migration_entry_wait+0x10/0x10 [ 2141.649657][ C3] ? __pfx___schedule+0x10/0x10 [ 2141.650065][ C3] ? __hrtimer_start_range_ns+0x355/0xd00 [ 2141.650555][ C3] do_swap_page+0x36d2/0x4670 [ 2141.650950][ C3] ? plist_del+0x24c/0x450 [ 2141.651326][ C3] ? __pte_offset_map+0x2b9/0x3d0 [ 2141.651743][ C3] ? __pfx_do_swap_page+0x10/0x10 [ 2141.652168][ C3] ? __pfx_default_wake_function+0x10/0x10 [ 2141.652650][ C3] handle_pte_fault+0x5ae/0x7b0 [ 2141.653051][ C3] __handle_mm_fault+0xf9e/0x17f0 [ 2141.653473][ C3] ? __pfx___handle_mm_fault+0x10/0x10 [ 2141.653931][ C3] ? lock_vma_under_rcu+0x377/0x4d0 [ 2141.654355][ C3] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 2141.654795][ C3] handle_mm_fault+0x4bf/0xa20 [ 2141.655191][ C3] exc_page_fault+0x20b/0x7f0 [ 2141.655573][ C3] asm_exc_page_fault+0x26/0x30 [ 2141.655972][ C3] RIP: 0033:0x51d788 [ 2141.656307][ C3] Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f [ 2141.657882][ C3] RSP: 002b:00007fff991f9118 EFLAGS: 00010202 [ 2141.658387][ C3] RAX: 0000000020000000 RBX: 0000000000000004 RCX: 002367732f766564 [ 2141.659048][ C3] RDX: 0000000000000009 RSI: 2367732f7665642f RDI: 0000000020000000 [ 2141.659691][ C3] RBP: 0000000000797ba0 R08: 00007f10a7800000 R09: 0000000000000001 [ 2141.660351][ C3] R10: 0000000000000001 R11: 0000000000000009 R12: 0000000000000032 [ 2141.660997][ C3] R13: 00000000000e2c77 R14: 0000000000795fa0 R15: 0000000000795fac [ 2141.661653][ C3] [ 2141.661914][ C3] Sending NMI from CPU 3 to CPUs 0-2: [ 2141.662396][ C1] NMI backtrace for cpu 1 [ 2141.662406][ C1] AAA2 2141440346452 2141440306520 0 0 0 2141440307415 [ 2141.662421][ C1] AAA2 2141440362180 993372484411 993372484804 993372484875 928887973527 928887973577 928887974425 [ 2141.662439][ C1] softirq_handle_start: [ 2141.662442][ C1] 0 [ 2141.662447][ C1] 928330006990 [ 2141.662451][ C1] 924221567459 [ 2141.662456][ C1] 928817263100 [ 2141.662461][ C1] 928328744939 [ 2141.662465][ C1] 0 [ 2141.662470][ C1] 921062008817 [ 2141.662475][ C1] 928879010614 [ 2141.662480][ C1] 0 [ 2141.662484][ C1] 928887973635 [ 2141.662489][ C1] [ 2141.662491][ C1] softirq_handle_end_time: [ 2141.662495][ C1] 0 [ 2141.662499][ C1] 928330009295 [ 2141.662504][ C1] 924221568491 [ 2141.662509][ C1] 928817511439 [ 2141.662514][ C1] 928328806233 [ 2141.662518][ C1] 0 [ 2141.662522][ C1] 921062009968 [ 2141.662527][ C1] 928879011708 [ 2141.662532][ C1] 0 [ 2141.662536][ C1] 928887974243 [ 2141.662541][ C1] [ 2141.662545][ C1] CPU: 1 PID: 8079 Comm: syz.8.781 Tainted: G L 6.6.0+ #1873 [ 2141.662564][ C1] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 2141.662573][ C1] RIP: 0010:asm_sysvec_irq_work+0x0/0x20 [ 2141.662608][ C1] Code: 06 14 fd ff e9 a1 05 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 51 04 00 00 48 89 c4 48 89 e7 e8 76 f4 fc ff e9 81 05 00 00 90 0f 1e fa 0f 01 ca fc 6a ff e8 31 04 00 00 48 89 c4 48 89 e7 e8 [ 2141.662626][ C1] RSP: 0018:ff11000107889f38 EFLAGS: 00000046 [ 2141.662642][ C1] RAX: 000000e7499d350b RBX: 0000000000000000 RCX: 0000000000000018 [ 2141.662655][ C1] RDX: 1fe2200020f16185 RSI: 00000000001e2170 RDI: 0000000000000004 [ 2141.662668][ C1] RBP: ff1100003ae422c0 R08: 0000000000000001 R09: ffe21c0020f16239 [ 2141.662681][ C1] R10: 00000000001e2170 R11: 3030303030302052 R12: ff110001078b0c28 [ 2141.662695][ C1] R13: 0000000000400140 R14: 0000000000000001 R15: dffffc0000000000 [ 2141.662708][ C1] FS: 00007f10a79556c0(0000) GS:ff11000107880000(0000) knlGS:0000000000000000 [ 2141.662731][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2141.662744][ C1] CR2: 0000000000638300 CR3: 0000000036592002 CR4: 0000000000771ee0 [ 2141.662757][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2141.662768][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2141.662779][ C1] PKRU: 00000000 [ 2141.662785][ C1] Call Trace: [ 2141.662792][ C1] [ 2141.662797][ C1] RIP: 0010:handle_softirqs+0x230/0x8d0 [ 2141.662827][ C1] Code: 24 f5 80 5d 84 98 e8 1f 9b 27 00 4c 89 e2 48 c1 ea 03 42 80 3c 3a 00 0f 85 d5 05 00 00 49 89 04 24 fb 65 44 8b 35 0c 2c 93 72 <4d> 63 f6 49 c7 c4 20 0c 03 00 4a 8d 3c f5 80 5d 84 98 48 89 f8 48 [ 2141.662844][ C1] RSP: 0018:ff11000107889f68 EFLAGS: 00000246 [ 2141.662861][ C1] ? handle_softirqs+0x211/0x8d0 [ 2141.662890][ C1] ? update_sibling_normalize_runtime+0x1a/0x410 [ 2141.662921][ C1] irq_exit_rcu+0x134/0x190 [ 2141.662950][ C1] sysvec_irq_work+0x6a/0x80 [ 2141.662975][ C1] [ 2141.662980][ C1] [ 2141.662986][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 2141.663016][ C1] RIP: 0010:rcu_read_unlock_special+0x186/0x530 [ 2141.663043][ C1] Code: 0f 85 01 01 00 00 4d 85 f6 0f 84 6a 01 00 00 40 84 ed 0f 84 61 01 00 00 bf 09 00 00 00 e8 c2 45 df ff fb 65 8b 2d 26 65 72 72 <48> 63 ed 48 c7 c3 40 1a 03 00 48 b8 00 00 00 00 00 fc ff df 48 8d [ 2141.663061][ C1] RSP: 0018:ff110000380b6fe8 EFLAGS: 00000283 [ 2141.663076][ C1] RAX: 0000000000000001 RBX: ff110001078c6800 RCX: ffffffff8d7c6a90 [ 2141.663099][ C1] RDX: 0000000000000001 RSI: 0000000000000046 RDI: ff11000100e33084 [ 2141.663111][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff3716ab4 [ 2141.663124][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 2141.663135][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff99f43000 [ 2141.663153][ C1] ? ttwu_do_activate+0x520/0x6f0 [ 2141.663186][ C1] ? rcu_read_unlock_special+0x17e/0x530 [ 2141.663213][ C1] page_vma_mapped_walk+0x1e00/0x2b50 [ 2141.663250][ C1] ? __netlink_deliver_tap_skb+0x352/0x4d0 [ 2141.663274][ C1] ? __pfx_page_vma_mapped_walk+0x10/0x10 [ 2141.663304][ C1] ? netlink_ack+0x614/0xba0 [ 2141.663331][ C1] try_to_migrate_one+0x3f0/0x2cb0 [ 2141.663361][ C1] ? __sys_sendmsg+0xee/0x1b0 [ 2141.663393][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2141.663422][ C1] ? __orc_find+0x109/0x140 [ 2141.663450][ C1] ? arch_stack_walk+0x92/0x160 [ 2141.663484][ C1] ? __anon_vma_interval_tree_subtree_search+0x171/0x1f0 [ 2141.663517][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2141.663545][ C1] rmap_walk_anon+0x2b0/0x980 [ 2141.663574][ C1] try_to_migrate+0x19f/0x350 [ 2141.663598][ C1] ? __pfx_try_to_migrate+0x10/0x10 [ 2141.663623][ C1] ? __pfx_try_to_migrate_one+0x10/0x10 [ 2141.663644][ C1] ? __pfx_folio_not_mapped+0x10/0x10 [ 2141.663665][ C1] ? __pfx_folio_lock_anon_vma_read+0x10/0x10 [ 2141.663690][ C1] ? __pfx_invalid_migration_vma+0x10/0x10 [ 2141.663711][ C1] ? folio_total_mapcount+0xb4/0x210 [ 2141.663738][ C1] split_huge_page_to_list_to_order+0xc84/0x17f0 [ 2141.663768][ C1] ? __pfx_split_huge_page_to_list_to_order+0x10/0x10 [ 2141.663792][ C1] ? __orc_find+0x109/0x140 [ 2141.663819][ C1] ? __orc_find+0x109/0x140 [ 2141.663843][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2141.663872][ C1] madvise_cold_or_pageout_pte_range+0x1966/0x2450 [ 2141.663899][ C1] ? arch_stack_walk+0x92/0x160 [ 2141.663918][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2141.663936][ C1] ? deref_stack_reg+0x1a4/0x2b0 [ 2141.663955][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0xe2 [ 2141.663974][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2141.663992][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2141.664010][ C1] ? __orc_find+0x109/0x140 [ 2141.664027][ C1] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 2141.664044][ C1] walk_pmd_range.isra.0+0x240/0x720 [ 2141.664057][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 2141.664076][ C1] walk_pud_range.isra.0+0x3d3/0x6c0 [ 2141.664102][ C1] walk_p4d_range+0x2ef/0x4f0 [ 2141.664116][ C1] walk_pgd_range+0x27e/0x530 [ 2141.664130][ C1] __walk_page_range+0x4ab/0x5a0 [ 2141.664141][ C1] ? find_vma+0x81/0xb0 [ 2141.664152][ C1] ? __pfx_find_vma+0x10/0x10 [ 2141.664162][ C1] ? folios_put_refs+0x510/0x740 [ 2141.664175][ C1] ? walk_page_test+0xa0/0x190 [ 2141.664195][ C1] walk_page_range+0x2a0/0x530 [ 2141.664208][ C1] ? __pfx_walk_page_range+0x10/0x10 [ 2141.664220][ C1] ? vtime_task_switch_generic+0x278/0x5a0 [ 2141.664237][ C1] ? folio_batch_move_lru+0x2b8/0x3d0 [ 2141.664248][ C1] ? __pfx_lru_add_fn+0x10/0x10 [ 2141.664261][ C1] madvise_pageout_page_range+0x1cc/0x6d0 [ 2141.664278][ C1] ? __pfx_madvise_pageout_page_range+0x10/0x10 [ 2141.664298][ C1] madvise_pageout+0x1f4/0x400 [ 2141.664314][ C1] ? __pfx_madvise_pageout+0x10/0x10 [ 2141.664332][ C1] ? futex_wait+0x552/0x680 [ 2141.664352][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2141.664365][ C1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 2141.664378][ C1] ? mas_prev_setup.constprop.0+0xb4/0x530 [ 2141.664400][ C1] madvise_vma_behavior+0x8fa/0xe30 [ 2141.664418][ C1] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 2141.664435][ C1] ? find_vma_prev+0xf5/0x170 [ 2141.664448][ C1] ? __pfx_find_vma_prev+0x10/0x10 [ 2141.664463][ C1] ? do_futex+0x135/0x360 [ 2141.664481][ C1] do_madvise+0x3af/0x650 [ 2141.664498][ C1] ? __pfx_do_madvise+0x10/0x10 [ 2141.664514][ C1] ? __se_sys_futex+0xf7/0x390 [ 2141.664530][ C1] ? kvm_steal_clock+0xca/0x100 [ 2141.664551][ C1] ? get_vtime_delta+0xd7/0x250 [ 2141.664570][ C1] __x64_sys_madvise+0xaf/0x120 [ 2141.664586][ C1] ? __ct_user_exit+0x70/0xe0 [ 2141.664605][ C1] do_syscall_64+0x59/0x110 [ 2141.664625][ C1] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ 2141.664644][ C1] RIP: 0033:0x54d2cd [ 2141.664654][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2141.664665][ C1] RSP: 002b:00007f10a7955048 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 2141.664677][ C1] RAX: ffffffffffffffda RBX: 0000000000795fa0 RCX: 000000000054d2cd [ 2141.664685][ C1] RDX: 0000000000000015 RSI: 0000000000003000 RDI: 0000000020001000 [ 2141.664692][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2141.664699][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000795fac [ 2141.664707][ C1] R13: 0000000000000000 R14: 0000000000795fa0 R15: 00007f10a7935000 [ 2141.664718][ C1] [ 2141.664724][ C2] NMI backtrace for cpu 2 [ 2141.664745][ C2] AAA2 2141442685830 928616117678 0 0 0 928616122779 [ 2141.664777][ C2] AAA2 2141442717544 2141439036319 2141439036650 2141439036844 2141439037021 2141439037181 2141439040489 [ 2141.664813][ C2] softirq_handle_start: [ 2141.664819][ C2] 0 [ 2141.664827][ C2] 2141437057916 [ 2141.664836][ C2] 927808535269 [ 2141.664845][ C2] 2140806775443 [ 2141.664854][ C2] 28776582930 [ 2141.664862][ C2] 0 [ 2141.664869][ C2] 0 [ 2141.664877][ C2] 2141439037347 [ 2141.664885][ C2] 0 [ 2141.664893][ C2] 928888742270 [ 2141.664901][ C2] [ 2141.664906][ C2] softirq_handle_end_time: [ 2141.664912][ C2] 0 [ 2141.664920][ C2] 2141437310823 [ 2141.664928][ C2] 927808536719 [ 2141.664937][ C2] 2140806797386 [ 2141.664946][ C2] 28776591391 [ 2141.664954][ C2] 0 [ 2141.664962][ C2] 0 [ 2141.664969][ C2] 2141439040106 [ 2141.664978][ C2] 0 [ 2141.664985][ C2] 928888825436 [ 2141.664993][ C2] [ 2141.665000][ C2] CPU: 2 PID: 8956 Comm: kworker/u8:1 Tainted: G L 6.6.0+ #1873 [ 2141.665039][ C2] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 2141.665059][ C2] Workqueue: events_unbound nsim_dev_trap_report_work [ 2141.665138][ C2] RIP: 0010:memset_orig+0x72/0xb0 [ 2141.665178][ C2] Code: 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 <48> 89 07 48 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 [ 2141.665213][ C2] RSP: 0018:ff1100006e90f9b0 EFLAGS: 00010202 [ 2141.665240][ C2] RAX: 0000000000000000 RBX: ff11000095c06000 RCX: 0000000000000001 [ 2141.665263][ C2] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ff11000095c07000 [ 2141.665285][ C2] RBP: ffd4000002570000 R08: 0000000000000008 R09: 0000000000000000 [ 2141.665307][ C2] R10: ff11000095c07000 R11: 0000000000000006 R12: ff11000095c00000 [ 2141.665330][ C2] R13: 0000000000008000 R14: 0000000000000003 R15: ff1100010003d040 [ 2141.665353][ C2] FS: 0000000000000000(0000) GS:ff11000107900000(0000) knlGS:0000000000000000 [ 2141.665390][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2141.665417][ C2] CR2: 00000000012c5000 CR3: 0000000105636005 CR4: 0000000000771ee0 [ 2141.665440][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2141.665461][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2141.665483][ C2] PKRU: 55555554 [ 2141.665495][ C2] Call Trace: [ 2141.665506][ C2] [ 2141.665516][ C2] __kasan_init_slab_obj+0xd/0x20 [ 2141.665556][ C2] setup_object+0x17/0x90 [ 2141.665591][ C2] shuffle_freelist+0xb1/0x170 [ 2141.665642][ C2] allocate_slab+0x13e/0x320 [ 2141.665693][ C2] ___slab_alloc+0x570/0x8a0 [ 2141.665742][ C2] ? nsim_dev_trap_report_work+0x27e/0x610 [ 2141.665785][ C2] ? process_one_work+0x661/0x1020 [ 2141.665821][ C2] ? __alloc_skb+0x12b/0x330 [ 2141.665862][ C2] ? ret_from_fork_asm+0x1b/0x30 [ 2141.665898][ C2] ? kasan_set_track+0x25/0x30 [ 2141.665954][ C2] ? __kasan_slab_alloc+0x6e/0x70 [ 2141.665996][ C2] __kmem_cache_alloc_node+0x3cc/0x460 [ 2141.666051][ C2] ? __alloc_skb+0x12b/0x330 [ 2141.666109][ C2] ? __alloc_skb+0x12b/0x330 [ 2141.666151][ C2] __kmalloc_node_track_caller+0x53/0x140 [ 2141.666208][ C2] kmalloc_reserve+0xf4/0x270 [ 2141.666255][ C2] __alloc_skb+0x12b/0x330 [ 2141.666297][ C2] ? __pfx___alloc_skb+0x10/0x10 [ 2141.666339][ C2] ? kasan_set_track+0x25/0x30 [ 2141.666395][ C2] ? kasan_save_free_info+0x2b/0x50 [ 2141.666445][ C2] ? kmem_cache_free+0xce/0x530 [ 2141.666496][ C2] ? kfree_skbmem+0xf4/0x1b0 [ 2141.666541][ C2] nsim_dev_trap_skb_build+0x2e/0x710 [ 2141.666588][ C2] nsim_dev_trap_report_work+0x27e/0x610 [ 2141.666643][ C2] process_one_work+0x661/0x1020 [ 2141.666689][ C2] worker_thread+0x849/0x1090 [ 2141.666734][ C2] ? __kthread_parkme+0x10d/0x190 [ 2141.666781][ C2] ? __pfx_worker_thread+0x10/0x10 [ 2141.666818][ C2] kthread+0x2f4/0x3f0 [ 2141.666868][ C2] ? __pfx_kthread+0x10/0x10 [ 2141.666921][ C2] ret_from_fork+0x4a/0x80 [ 2141.666966][ C2] ? __pfx_kthread+0x10/0x10 [ 2141.667018][ C2] ret_from_fork_asm+0x1b/0x30 [ 2141.667065][ C2] [ 2141.667077][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 [ 2141.667141][ C0] AAA1 2141445081811 928856909383 0 0 0 928856909774 [ 2141.667173][ C0] AAA1 2141445113956 2141440058230 2141440058591 2141440058780 2141440058946 2141440059101 2141440070327 [ 2141.667210][ C0] softirq_handle_start: [ 2141.667216][ C0] 0 [ 2141.667224][ C0] 2141440059261 [ 2141.667233][ C0] 928873837201 [ 2141.667242][ C0] 2136080964230 [ 2141.667251][ C0] 0 [ 2141.667258][ C0] 0 [ 2141.667265][ C0] 928609012446 [ 2141.667274][ C0] 2141438064270 [ 2141.667283][ C0] 0 [ 2141.667290][ C0] 928888606411 [ 2141.667299][ C0] [ 2141.667303][ C0] softirq_handle_end_time: [ 2141.667310][ C0] 0 [ 2141.667317][ C0] 2141440069902 [ 2141.667326][ C0] 928873838583 [ 2141.667334][ C0] 2136081297815 [ 2141.667343][ C0] 0 [ 2141.667350][ C0] 0 [ 2141.667358][ C0] 928609013591 [ 2141.667366][ C0] 2141438082237 [ 2141.667375][ C0] 0 [ 2141.667382][ C0] 928888785127 [ 2141.667391][ C0]