watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-executor.0:9597] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x21e7/0x7400 kernel/fork.c:2442 softirqs last enabled at (0): [] copy_process+0x2228/0x7400 kernel/fork.c:2446 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 PID: 9597 Comm: syz-executor.0 Not tainted 6.6.0-rc1-syzkaller-gaec42f36237b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 78 25 f7 48 89 df e8 ae f7 25 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 a5 60 17 f7 65 8b 05 c6 a3 c0 75 85 c0 74 12 5b RSP: 0018:ffffc900000076d0 EFLAGS: 00000246 RAX: 0000000000000046 RBX: ffff8880b983de90 RCX: 1ffffffff1d9cdeb RDX: 0000000000000000 RSI: ffffffff8ae93260 RDI: ffffffff8a43190e RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8ece39d7 R11: 0000000000000000 R12: ffff8880b983de90 R13: ffff888029ffb640 R14: ffff8880b983de78 R15: 00000000000000e9 FS: 00007fd51d8f76c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000000276cc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] rps_unlock_irq_restore net/core/dev.c:241 [inline] enqueue_to_backlog+0x3a9/0xcb0 net/core/dev.c:4779 netif_rx_internal+0xff/0x570 net/core/dev.c:5053 __netif_rx+0xe6/0x410 net/core/dev.c:5073 veth_forward_skb drivers/net/veth.c:321 [inline] veth_xmit+0x837/0xad0 drivers/net/veth.c:374 __netdev_start_xmit include/linux/netdevice.h:4910 [inline] netdev_start_xmit include/linux/netdevice.h:4924 [inline] xmit_one net/core/dev.c:3544 [inline] dev_hard_start_xmit+0x13d/0x6c0 net/core/dev.c:3560 __dev_queue_xmit+0x9be/0x3d80 net/core/dev.c:4340 dev_queue_xmit include/linux/netdevice.h:3091 [inline] hsr_xmit net/hsr/hsr_forward.c:382 [inline] hsr_forward_do net/hsr/hsr_forward.c:473 [inline] hsr_forward_skb+0xc08/0x1f40 net/hsr/hsr_forward.c:621 send_hsr_supervision_frame+0x4a4/0x810 net/hsr/hsr_device.c:326 hsr_announce+0x116/0x380 net/hsr/hsr_device.c:382 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:preempt_schedule_irq+0x4d/0x90 kernel/sched/core.c:7007 Code: 55 65 48 8b 2c 25 c0 bc 03 00 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 5e fb 18 f7 e8 e9 d5 4c f7 fb bf 01 00 00 00 5e 99 ff ff 9c 58 fa f6 c4 02 75 1a bf 01 00 00 00 e8 9c c1 18 RSP: 0018:ffffc90014b2fc18 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffffed100fdb83b8 RCX: 1ffffffff1d9cdeb RDX: 0000000000000000 RSI: ffffffff8ae93260 RDI: 0000000000000001 RBP: ffff88807edc1dc0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8ece39d7 R11: 0000000000000800 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x35/0x80 kernel/entry/common.c:432 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:up_write+0x0/0x510 kernel/locking/rwsem.c:1624 Code: 00 75 21 48 83 c4 68 5b 5d 41 5c 41 5d 41 5e 41 5f c3 4c 89 ff 48 89 0c 24 e8 2c c7 76 00 48 8b 0c 24 eb 8b e8 11 47 d8 08 90 0f 1e fa 41 57 41 56 49 c7 c6 54 6f ce 8e 41 55 41 54 55 53 48 RSP: 0018:ffffc90014b2fce8 EFLAGS: 00000293 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88807edc1dc0 RSI: ffffffff81f253ba RDI: ffff88801b062e70 RBP: ffff88801b062e70 R08: 0000000000000000 R09: ffffed1004b03c02 R10: ffff88802581e013 R11: 005d746e6576655f R12: 0000000000000005 R13: 000000003c9df6a6 R14: ffff88801d264860 R15: 000000003c9df6a6 inode_unlock include/linux/fs.h:807 [inline] perf_fasync+0x92/0xb0 kernel/events/core.c:6588 ioctl_fioasync fs/ioctl.c:380 [inline] do_vfs_ioctl+0x501/0x1920 fs/ioctl.c:792 __do_sys_ioctl fs/ioctl.c:869 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x112/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd51cc7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 RSP: 002b:00007fd51d8f70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd51cd9bf80 RCX: 00007fd51cc7cae9 RDX: 00000000200004c0 RSI: 0000000000005452 RDI: 0000000000000005 RBP: 00007fd51ccc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd51cd9bf80 R15: 00007ffe98ca06b8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9474 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-gaec42f36237b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline] RIP: 0010:native_apic_msr_write arch/x86/include/asm/apic.h:195 [inline] RIP: 0010:native_apic_msr_write+0x28/0x40 arch/x86/include/asm/apic.h:189 Code: 66 90 f3 0f 1e fa 8d 87 30 ff ff ff 83 e0 ef 74 1c 89 f8 83 e0 ef 83 f8 20 74 12 c1 ef 04 31 d2 89 f0 8d 8f 00 08 00 00 0f 30 <66> 90 c3 c3 89 f6 31 d2 89 cf e9 79 66 1d 03 66 0f 1f 84 00 00 00 RSP: 0018:ffffc900001f03e8 EFLAGS: 00000046 RAX: 00000000000001eb RBX: ffff8880b9928240 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 00000000000001eb RDI: 0000000000000038 RBP: 00000000000001eb R08: 0000000000000005 R09: 000000000000003f R10: 0000000000000020 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000000 R15: 7fffffffffffffff FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00000fe80 CR3: 0000000073c58000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:402 [inline] lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:446 clockevents_program_event+0x262/0x370 kernel/time/clockevents.c:334 tick_program_event+0xa5/0x130 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x36d/0x800 kernel/time/hrtimer.c:1827 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline] __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080 sysvec_apic_timer_interrupt+0x42/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:get_stack_info_noinstr+0x0/0x120 arch/x86/kernel/dumpstack_64.c:172 Code: c7 80 0e 86 8a e8 00 40 00 00 89 ee 48 89 df 65 c6 05 85 86 c4 75 00 5b 5d e9 6c 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 <66> 0f 1f 00 41 55 41 54 49 89 d4 55 48 89 fd 53 48 89 f3 e8 08 01 RSP: 0018:ffffc900001f05e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880201e9dc0 RCX: 0000000000000100 RDX: ffffc900001f0688 RSI: ffff8880201e9dc0 RDI: ffffc900001f0628 RBP: ffffc900001f06a8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: dffffc0000000000 R12: ffffc900001f0628 R13: ffffc900001f0688 R14: ffffc900001f06b0 R15: ffffc900001f06a8 get_stack_info+0x49/0x140 arch/x86/kernel/dumpstack_64.c:199 __unwind_start+0x496/0x880 arch/x86/kernel/unwind_orc.c:729 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xaf/0x170 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x185/0x3f0 mm/slub.c:3523 kmalloc_reserve+0x166/0x260 net/core/skbuff.c:559 __alloc_skb+0x12b/0x330 net/core/skbuff.c:650 alloc_skb include/linux/skbuff.h:1286 [inline] new_skb+0x21/0x200 drivers/block/aoe/aoecmd.c:66 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:425 [inline] aoecmd_cfg+0x2a5/0x7b0 drivers/block/aoe/aoecmd.c:1362 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline] RIP: 0010:__orc_find+0xa1/0x130 arch/x86/kernel/unwind_orc.c:102 Code: 9b 4d 00 48 89 e8 48 29 d8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 4c 8d 3c 83 4c 89 fa 48 c1 ea 03 42 0f b6 0c 32 <4c> 89 fa 83 e2 07 83 c2 03 38 ca 7c 04 84 c9 75 6f 49 63 17 4c 89 RSP: 0018:ffffc9000dc67648 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: ffffffff8edd4428 RCX: 0000000000000000 RDX: 1ffffffff1dba885 RSI: ffffffff813a3cda RDI: 0000000000000005 RBP: ffffffff8edd4428 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8a60140a R12: ffffffff813a71b3 R13: ffffffff8f5576e4 R14: dffffc0000000000 R15: ffffffff8edd4428 orc_find arch/x86/kernel/unwind_orc.c:227 [inline] unwind_next_frame+0x329/0x2390 arch/x86/kernel/unwind_orc.c:494 __unwind_start+0x5a4/0x880 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xaf/0x170 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] kmem_cache_free+0xf0/0x480 mm/slub.c:3831 put_uts_ns include/linux/utsname.h:45 [inline] free_nsproxy+0x3d6/0x4d0 kernel/nsproxy.c:195 put_nsproxy include/linux/nsproxy.h:106 [inline] switch_task_namespaces+0xe0/0x110 kernel/nsproxy.c:251 do_exit+0xa94/0x2a20 kernel/exit.c:873 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0033:0x7fc8bea7cae9 Code: Unable to access opcode bytes at 0x7fc8bea7cabf. RSP: 002b:00007fc8bf7e00c8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007fc8beb9bf80 RCX: 00007fc8bea7cae9 RDX: 00000000200004c0 RSI: 0000000000005452 RDI: 0000000000000004 RBP: 00007fc8beac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc8beb9bf80 R15: 00007fff07dec2f8