watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.4.282:2198]
Modules linked in:
CPU: 1 PID: 2198 Comm: syz.4.282 Not tainted 5.10.223-syzkaller-01561-g0890c03b8b7d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:core_kernel_text kernel/extable.c:79 [inline]
RIP: 0010:kernel_text_address kernel/extable.c:125 [inline]
RIP: 0010:__kernel_text_address+0x47/0x110 kernel/extable.c:105
Code: 10 48 c7 c0 a3 50 e0 84 48 39 c3 0f 82 a6 00 00 00 48 c7 c0 80 6b e3 86 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 0f 85 8f 00 00 00 83 3d da 3e 9d 05 01 77 18 48 c7 c0 00 80
RSP: 0018:ffffc90000170470 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff84c000c5 RDI: 0000000000000000
RBP: ffffc90000170488 R08: ffffc900001705a8 R09: 000000000000001e
R10: ffffc900001705b0 R11: dffffc0000000001 R12: ffff888116e013c0
R13: ffffffff8159b260 R14: 0000000000000001 R15: 1ffff9200002e0a1
FS:  00007f879a2d06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 000000011c6eb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
 kasan_slab_alloc include/linux/kasan.h:244 [inline]
 slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
 slab_alloc_node mm/slub.c:2947 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
 dst_alloc+0x17d/0x590 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:340 [inline]
 icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3164
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:489
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3963
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__schedule+0x0/0x1330 kernel/sched/core.c:4686
Code: 54 bf 86 4c 89 25 a0 4e 0e 02 eb 05 e8 79 a3 b9 fc 48 c7 c7 60 fc 12 87 e8 6d 33 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0018:ffffc900016c7618 EFLAGS: 00000246
RAX: 1ffff11022dc03be RBX: 1ffff920002d8ec8 RCX: ffffffff84b24700
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900016c76a0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc900016c7640
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920002d8ec4
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__should_failslab+0x28/0xe0 mm/failslab.c:20
Code: cc cc 55 48 89 e5 41 57 41 56 53 89 f3 49 89 fe 48 c7 c0 e0 d1 0b 87 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 80 3c 38 00 <74> 0c 48 c7 c7 e0 d1 0b 87 e8 5a ab ff ff 31 c0 f7 c3 00 80 00 00
RSP: 0018:ffffc900016c7790 EFLAGS: 00000246
RAX: 1ffffffff0e17a3c RBX: 0000000000000dc0 RCX: 0000000000040000
RDX: 0000000000000004 RSI: 0000000000000dc0 RDI: ffff888100043c80
RBP: ffffc900016c77a8 R08: ffffffff8179ca47 R09: ffffe8ffff537550
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888100043c80
R13: ffffffff822ec2d1 R14: ffff888100043c80 R15: dffffc0000000000
 should_failslab+0x9/0x20 mm/slab_common.c:1216
 slab_pre_alloc_hook mm/slab.h:558 [inline]
 slab_alloc_node mm/slub.c:2868 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc_trace+0x3a/0x2e0 mm/slub.c:2972
 kmalloc include/linux/slab.h:552 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 selinux_bpf_prog_alloc+0x51/0x140 security/selinux/hooks.c:6935
 security_bpf_prog_alloc+0x62/0x90 security/security.c:2562
 bpf_prog_load kernel/bpf/syscall.c:2200 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4435 [inline]
 __se_sys_bpf+0x9f8c/0x11cb0 kernel/bpf/syscall.c:4391
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f879b673e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f879a2d0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f879b810058 RCX: 00007f879b673e79
RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007f879b6e1916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f879b810058 R15: 00007ffe1321a568
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 911 Comm: syz.4.104 Not tainted 5.10.223-syzkaller-01561-g0890c03b8b7d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:221 [inline]
RIP: 0010:rb_erase+0x936/0xd90 lib/rbtree.c:443
Code: 08 4c 89 ff e8 6b ca 36 ff 49 8b 1f f6 c3 01 0f 85 1f fb ff ff 48 83 cb 01 43 80 3c 26 00 74 36 4c 89 ff e8 ec ca 36 ff eb 2c <41> f6 c4 01 49 bc 00 00 00 00 00 fc ff df 0f 85 dc fa ff ff e9 24
RSP: 0018:ffffc90000007710 EFLAGS: 00000046
RAX: 1ffff1103ee093e3 RBX: ffff8881f7049f08 RCX: dffffc0000000000
RDX: 0000000000010103 RSI: ffff8881f70499a0 RDI: ffff8881019de160
RBP: ffffc90000007770 R08: ffffffff82721598 R09: 0000000000000003
R10: fffff52000000f0c R11: dffffc0000000001 R12: ffff8881f7049f08
R13: 0000000000000000 R14: ffff8881f7049f18 R15: ffff8881f7049f18
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001fe0 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0010000010000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rb_erase_cached include/linux/rbtree.h:149 [inline]
 timerqueue_del+0xb4/0x100 lib/timerqueue.c:67
 __remove_hrtimer kernel/time/hrtimer.c:1014 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1563 [inline]
 __hrtimer_run_queues+0x33c/0xa50 kernel/time/hrtimer.c:1647
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1709
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:skb_put+0x0/0x210 net/core/skbuff.c:1921
Code: c1 0f 8c 40 fc ff ff 48 89 df e8 1b 6f e9 fd e9 33 fc ff ff e8 b1 d5 ab fd 0f 0b e8 aa d5 ab fd 0f 0b 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18 41 89 f5 49 89
RSP: 0018:ffffc90000007b10 EFLAGS: 00000206
RAX: ffffffff83e3d9f3 RBX: ffff8881160afa00 RCX: ffff8881017893c0
RDX: 0000000000000102 RSI: 0000000000000018 RDI: ffff8881160afa00
RBP: ffffc90000007b50 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000018
R13: 0000000000000055 R14: 0000000000000008 R15: dffffc0000000000
 nlmsg_put include/net/netlink.h:920 [inline]
 nlmsg_populate_mdb_fill net/bridge/br_mdb.c:386 [inline]
 br_mdb_notify+0x599/0xca0 net/bridge/br_mdb.c:593
 br_multicast_del_pg+0x4d8/0xb40 net/bridge/br_multicast.c:597
 br_multicast_find_del_pg net/bridge/br_multicast.c:629 [inline]
 br_multicast_port_group_expired+0x714/0x870 net/bridge/br_multicast.c:659
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:finish_task_switch+0x130/0x5a0 kernel/sched/core.c:3886
Code: c0 5f 05 00 48 8d 5f 2c 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 9f 01 00 00 c7 03 00 00 00 00 4c 89 e7 e8 c0 e3 68 03 <49> 8d 9d b8 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f
RSP: 0018:ffffc90000d970a0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff88811624cf2c RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000d970f0 R08: ffffffff8188e1b9 R09: fffffbfff0dc753b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7055fc0
R13: ffff8881017893c0 R14: dffffc0000000000 R15: 0000000000000000
 context_switch kernel/sched/core.c:4049 [inline]
 __schedule+0xbee/0x1330 kernel/sched/core.c:4804
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:5065
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:unwind_next_frame+0x36/0x700 arch/x86/kernel/unwind_frame.c:259
Code: 53 48 83 ec 50 49 89 fe 48 ba 00 00 00 00 00 fc ff df 49 89 ff 49 c1 ef 03 41 0f b6 04 17 84 c0 0f 85 f7 05 00 00 41 83 3e 00 <0f> 84 67 05 00 00 49 8d 5e 58 48 89 d8 48 c1 e8 03 48 89 45 a8 80
RSP: 0018:ffffc90000d97378 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc90000d97400 RCX: 0000000000d97401
RDX: dffffc0000000000 RSI: ffffffff813f3fb1 RDI: ffffc90000d97400
RBP: ffffc90000d973f0 R08: ffffc90000d974e8 R09: 000000000000000a
R10: ffffc90000d974f0 R11: dffffc0000000001 R12: ffff8881017893c0
R13: ffffffff8159b260 R14: ffffc90000d97400 R15: 1ffff920001b2e80
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __reset_page_owner+0x36/0x150 mm/page_owner.c:174
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:165
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2782
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7fc2b0736e79
Code: Unable to access opcode bytes at RIP 0x7fc2b0736e4f.
RSP: 002b:00007fc2af3b4038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fc2b08d2f80 RCX: 00007fc2b0736e79
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007fc2b07a4916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc2b08d2f80 R15: 00007ffe30956d48