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Message-ID: <20240910111111.2591-1-spasswolf@web.de>
Date: Tue, 10 Sep 2024 13:11:09 +0200
From: Bert Karwatzki <spasswolf@....de>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Bert Karwatzki <spasswolf@....de>,
linux-kernel@...r.kernel.org,
linux-next@...r.kernel.org,
Thomas Gleixner <tglx@...utronix.de>,
"Darrick J . Wong" <djwong@...nel.org>,
x86@...nel.org,
chandanbabu@...nel.org,
willy@...radead.org
Subject: commit de752774f38bb causes fatal error on boot
When booting linux-next-20240910 on my MSI alpha 15 Laptop running debian sid (amd64),
I get dropped to a shell and get the folllowing error in dmesg. I bisected this to
commit de752774f38bb ("jump_label: Fix static_key_slow_dec() yet again").
Error message:
[ 5.156254] [ T228] jump_label: Fatal kernel bug, unexpected op at mem_cgroup_sk_alloc+0x4/0xa0 [00000000ec1ab76c] (eb 05 e9 e0 2b != 66 90 0f 1f 00)) size:2 type:1
[ 5.156289] [ T228] ------------[ cut here ]------------
[ 5.156291] [ T228] kernel BUG at arch/x86/kernel/jump_label.c:73!
[ 5.156305] [ T228] Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 5.156318] [ T228] CPU: 2 UID: 0 PID: 228 Comm: kworker/2:1 Not tainted 6.11.0-rc7-next-20240910-master #413
[ 5.156335] [ T228] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/MS-158L, BIOS E158LAMS.107 11/10/2021
[ 5.156351] [ T228] Workqueue: cgroup_destroy css_free_rwork_fn
[ 5.156366] [ T228] RIP: 0010:__jump_label_patch.cold+0x24/0x26
[ 5.156380] [ T228] Code: 84 e9 af 39 73 ff 48 c7 c3 68 34 08 85 41 55 45 89 f1 49 89 d8 4c 89 e1 4c 89 e2 4c 89 e6 48 c7 c7 60 9c ca 84 e8 c5 89 00 00 <0f> 0b 4c 89 ca 48 83 ce ff bf 10 00 00 00 e8 72 bb 01 00 53 48 c7
[ 5.156403] [ T228] RSP: 0018:ffffa6b400623d80 EFLAGS: 00010246
[ 5.156415] [ T228] RAX: 0000000000000090 RBX: ffffffff84a01aa1 RCX: 0000000000000000
[ 5.156428] [ T228] RDX: 0000000000000000 RSI: ffff95bd2e6977c0 RDI: ffff95bd2e6977c0
[ 5.156441] [ T228] RBP: ffffa6b400623db0 R08: 0000000000000000 R09: ffffa6b400623c20
[ 5.156454] [ T228] R10: ffffffff84e81f88 R11: 0000000000000003 R12: ffffffff84091524
[ 5.156467] [ T228] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000
[ 5.156480] [ T228] FS: 0000000000000000(0000) GS:ffff95bd2e680000(0000) knlGS:0000000000000000
[ 5.156495] [ T228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.156506] [ T228] CR2: 000055c651a32170 CR3: 0000000788018000 CR4: 0000000000750ef0
[ 5.156520] [ T228] PKRU: 55555554
[ 5.156528] [ T228] Call Trace:
[ 5.156538] [ T228] <TASK>
[ 5.156545] [ T228] ? __die+0x51/0x92
[ 5.156556] [ T228] ? die+0x29/0x50
[ 5.156566] [ T228] ? do_trap+0x105/0x110
[ 5.156577] [ T228] ? do_error_trap+0x60/0x80
[ 5.156587] [ T228] ? __jump_label_patch.cold+0x24/0x26
[ 5.156599] [ T228] ? exc_invalid_op+0x4d/0x70
[ 5.156610] [ T228] ? __jump_label_patch.cold+0x24/0x26
[ 5.156622] [ T228] ? asm_exc_invalid_op+0x1a/0x20
[ 5.156634] [ T228] ? mem_cgroup_sk_alloc+0x4/0xa0
[ 5.156646] [ T228] ? __jump_label_patch.cold+0x24/0x26
[ 5.156658] [ T228] ? arch_jump_label_transform_queue+0x32/0x80
[ 5.156671] [ T228] ? __jump_label_update+0x3d/0xf0
[ 5.156683] [ T228] ? __static_key_slow_dec_cpuslocked+0x4c/0x60
[ 5.156694] [ T228] ? static_key_slow_dec+0x1e/0x40
[ 5.156705] [ T228] ? mem_cgroup_css_free+0x9d/0xa0
[ 5.156716] [ T228] ? css_free_rwork_fn+0x45/0x370
[ 5.156728] [ T228] ? process_one_work+0x161/0x270
[ 5.156740] [ T228] ? worker_thread+0x2ea/0x420
[ 5.156751] [ T228] ? rescuer_thread+0x4e0/0x4e0
[ 5.156762] [ T228] ? kthread+0xcd/0x100
[ 5.156772] [ T228] ? kthread_park+0x80/0x80
[ 5.156782] [ T228] ? ret_from_fork+0x2f/0x50
[ 5.156793] [ T228] ? kthread_park+0x80/0x80
[ 5.156803] [ T228] ? ret_from_fork_asm+0x11/0x20
[ 5.156816] [ T228] </TASK>
[ 5.156824] [ T228] Modules linked in: mt7921e(+) mt7921_common mt792x_lib mt76_connac_lib mt76 mac80211 libarc4 cfg80211 rfkill msr nvme_fabrics fuse efi_pstore configfs efivarfs autofs4 ext4 crc32c_generic mbcache jbd2 usbhid amdgpu i2c_algo_bit drm_ttm_helper xhci_pci ttm drm_exec drm_suballoc_helper xhci_hcd amdxcp drm_buddy hid_sensor_hub hid_multitouch usbcore nvme gpu_sched mfd_core i2c_piix4 hid_generic crc32c_intel psmouse drm_display_helper i2c_smbus amd_sfh nvme_core usb_common r8169 crc16 i2c_hid_acpi i2c_hid hid i2c_designware_platform i2c_designware_core
[ 5.156938] [ T228] ---[ end trace 0000000000000000 ]---
[ 5.278455] [ T228] RIP: 0010:__jump_label_patch.cold+0x24/0x26
[ 5.278461] [ T228] Code: 84 e9 af 39 73 ff 48 c7 c3 68 34 08 85 41 55 45 89 f1 49 89 d8 4c 89 e1 4c 89 e2 4c 89 e6 48 c7 c7 60 9c ca 84 e8 c5 89 00 00 <0f> 0b 4c 89 ca 48 83 ce ff bf 10 00 00 00 e8 72 bb 01 00 53 48 c7
[ 5.278462] [ T228] RSP: 0018:ffffa6b400623d80 EFLAGS: 00010246
[ 5.278465] [ T228] RAX: 0000000000000090 RBX: ffffffff84a01aa1 RCX: 0000000000000000
[ 5.278466] [ T228] RDX: 0000000000000000 RSI: ffff95bd2e6977c0 RDI: ffff95bd2e6977c0
[ 5.278467] [ T228] RBP: ffffa6b400623db0 R08: 0000000000000000 R09: ffffa6b400623c20
[ 5.278468] [ T228] R10: ffffffff84e81f88 R11: 0000000000000003 R12: ffffffff84091524
[ 5.278469] [ T228] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000
[ 5.278470] [ T228] FS: 0000000000000000(0000) GS:ffff95bd2e680000(0000) knlGS:0000000000000000
[ 5.278472] [ T228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.278473] [ T228] CR2: 000055c651a32170 CR3: 00000001445b8000 CR4: 0000000000750ef0
[ 5.278474] [ T228] PKRU: 55555554
Reverting commit de752774f38bb ("jump_label: Fix static_key_slow_dec() yet again")
in next-20240910 fixes the issue for me.
Bert Karwatzki
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