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Date: Wed, 12 Oct 2022 09:53:27 +0200 From: Dmitry Vyukov <dvyukov@...gle.com> To: syzbot <syzbot+60748c96cf5c6df8e581@...kaller.appspotmail.com>, Jiří Pírko <jiri@...nulli.us> Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com Subject: Re: [syzbot] kernel panic: kernel stack overflow On Wed, 12 Oct 2022 at 09:48, syzbot <syzbot+60748c96cf5c6df8e581@...kaller.appspotmail.com> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: bbed346d5a96 Merge branch 'for-next/core' into for-kernelci > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci > console output: https://syzkaller.appspot.com/x/log.txt?x=14a03a2a880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=aae2d21e7dd80684 > dashboard link: https://syzkaller.appspot.com/bug?extid=60748c96cf5c6df8e581 > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > userspace arch: arm64 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/11078f50b80b/disk-bbed346d.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/398e5f1e6c84/vmlinux-bbed346d.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+60748c96cf5c6df8e581@...kaller.appspotmail.com +Jiri It looks like the issue is with the team device. It seems to call itself infinitely. team_device_event was mentioned in stack overflow bugs in the past: https://groups.google.com/g/syzkaller-bugs/search?q=%22team_device_event%22 > x8 : 00000000000c008e x7 : ffff80000818cfc0 x6 : 0000000000000000 > x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 > x2 : 0000000000000008 x1 : ffff00013e520a60 x0 : ffff00013e520000 > Kernel panic - not syncing: kernel stack overflow > CPU: 1 PID: 16874 Comm: syz-executor.3 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 > Call trace: > dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156 > show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163 > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106 > dump_stack+0x1c/0x58 lib/dump_stack.c:113 > panic+0x218/0x50c kernel/panic.c:274 > nmi_panic+0xbc/0xf0 kernel/panic.c:169 > panic_bad_stack+0x134/0x154 arch/arm64/kernel/traps.c:906 > handle_bad_stack+0x34/0x48 arch/arm64/kernel/entry-common.c:848 > __bad_stack+0x78/0x7c arch/arm64/kernel/entry.S:549 > mark_lock+0x4/0x1b4 kernel/locking/lockdep.c:4593 > lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666 > do_write_seqcount_begin_nested include/linux/seqlock.h:516 [inline] > do_write_seqcount_begin include/linux/seqlock.h:541 [inline] > psi_group_change+0x128/0x3d0 kernel/sched/psi.c:705 > psi_task_switch+0x9c/0x310 kernel/sched/psi.c:851 > psi_sched_switch kernel/sched/stats.h:194 [inline] > __schedule+0x554/0x5a0 kernel/sched/core.c:6489 > preempt_schedule_irq+0x64/0x110 kernel/sched/core.c:6806 > arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:265 [inline] > __el1_irq arch/arm64/kernel/entry-common.c:473 [inline] > el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:485 > el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:490 > el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:577 > arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 > lock_is_held include/linux/lockdep.h:283 [inline] > __might_resched+0x7c/0x218 kernel/sched/core.c:9854 > __might_sleep+0x48/0x78 kernel/sched/core.c:9821 > might_alloc include/linux/sched/mm.h:274 [inline] > slab_pre_alloc_hook mm/slab.h:700 [inline] > slab_alloc_node mm/slub.c:3162 [inline] > kmem_cache_alloc_node+0x80/0x370 mm/slub.c:3298 > __alloc_skb+0xf8/0x378 net/core/skbuff.c:422 > alloc_skb include/linux/skbuff.h:1257 [inline] > nlmsg_new include/net/netlink.h:953 [inline] > genlmsg_new include/net/genetlink.h:410 [inline] > ethnl_default_notify+0x16c/0x320 net/ethtool/netlink.c:640 > ethtool_notify+0xb4/0x178 net/ethtool/netlink.c:704 > ethnl_notify_features net/ethtool/netlink.c:715 [inline] > ethnl_netdev_event+0x44/0x60 net/ethtool/netlink.c:723 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_compute_features drivers/net/team/team.c:1031 [inline] > team_device_event+0x1a8/0x25c drivers/net/team/team.c:3024 > notifier_call_chain kernel/notifier.c:87 [inline] > raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 > call_netdevice_notifiers_info net/core/dev.c:1945 [inline] > call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] > call_netdevice_notifiers net/core/dev.c:1997 [inline] > netdev_features_change net/core/dev.c:1315 [inline] > netdev_sync_lower_features+0x13c/0x21c net/core/dev.c:9599 > __netdev_update_features+0x284/0xa88 net/core/dev.c:9751 > netdev_change_features+0x30/0xfc net/core/dev.c:9823 > team_add_slave+0x7c/0x98 drivers/net/team/team.c:1988 > do_set_master net/core/rtnetlink.c:2577 [inline] > do_setlink+0x5f8/0x17a4 net/core/rtnetlink.c:2787 > __rtnl_newlink net/core/rtnetlink.c:3546 [inline] > rtnl_newlink+0x988/0xa04 net/core/rtnetlink.c:3593 > rtnetlink_rcv_msg+0x484/0x82c net/core/rtnetlink.c:6090 > netlink_rcv_skb+0xe4/0x1d0 net/netlink/af_netlink.c:2501 > rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6108 > netlink_unicast_kernel+0xfc/0x1dc net/netlink/af_netlink.c:1319 > netlink_unicast+0x164/0x248 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x484/0x584 net/netlink/af_netlink.c:1921 > sock_sendmsg_nosec net/socket.c:714 [inline] > sock_sendmsg net/socket.c:734 [inline] > ____sys_sendmsg+0x2f8/0x440 net/socket.c:2482 > ___sys_sendmsg net/socket.c:2536 [inline] > __sys_sendmsg+0x1ac/0x228 net/socket.c:2565 > __do_sys_sendmsg net/socket.c:2574 [inline] > __se_sys_sendmsg net/socket.c:2572 [inline] > __arm64_sys_sendmsg+0x2c/0x3c net/socket.c:2572 > __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] > invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] > el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 > do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 > el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 > el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 > el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 > SMP: stopping secondary CPUs > Kernel Offset: disabled > CPU features: 0x00000,02070084,26017203 > Memory Limit: none > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@...glegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@...glegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000c8900705ead19e41%40google.com.
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