watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.14:378]
Modules linked in:
CPU: 1 PID: 378 Comm: syz.3.14 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:should_failslab+0x0/0x20 mm/slab_common.c:1215
Code: 89 c6 48 85 c0 75 0b 48 89 df e8 3b 83 0d 00 49 89 c6 48 89 df 4c 89 f6 e8 3d e2 0d 00 eb 03 45 31 f6 4c 89 f0 5b 41 5e 5d c3 <55> 48 89 e5 e8 57 62 0e 00 31 c9 84 c0 b8 f4 ff ff ff 0f 44 c1 5d
RSP: 0018:ffffc90000170900 EFLAGS: 00000202
RAX: 8879a99e9349e000 RBX: 0000000000000a20 RCX: dffffc0000000000
RDX: 0000000000000048 RSI: 0000000000000a20 RDI: ffff888100043680
RBP: ffffc90000170950 R08: ffffffff8429c5ec R09: ffffed1023f722da
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888100043680
R13: ffffffff83c84f95 R14: 0000000000000a20 R15: 0000000000000048
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14fbcbcf40 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kmalloc include/linux/slab.h:552 [inline]
 dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:201
 dst_metrics_write_ptr include/net/dst.h:117 [inline]
 dst_metric_set include/net/dst.h:178 [inline]
 icmp6_dst_alloc+0x385/0x560 net/ipv6/route.c:3177
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 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:free_unref_page mm/page_alloc.c:3415 [inline]
RIP: 0010:free_the_page+0x140/0x370 mm/page_alloc.c:5407
Code: 48 89 df e8 e2 28 04 00 4c 8b 7c 24 60 fa 48 8b 5c 24 18 48 89 df 44 89 ee 31 d2 e8 ca 66 ff ff 4c 89 7c 24 38 ff 74 24 38 9d <84> c0 74 67 48 c7 44 24 40 0e 36 e0 45 4b c7 04 34 00 00 00 00 65
RSP: 0018:ffffc90000d87740 EFLAGS: 00000246
RAX: 0000000000000101 RBX: ffffea00047eeb00 RCX: 0000000000000001
RDX: ffffea00047eeac8 RSI: ffff8881f715ab60 RDI: 0000000000000001
RBP: ffffc90000d87818 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff520001b0ecc R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 1ffff920001b0ef0 R15: 0000000000000246
 __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:189
 exit_task_work include/linux/task_work.h:33 [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:2790
 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: 0033:0x7f6af11c7ef9
Code: Unable to access opcode bytes at RIP 0x7f6af11c7ecf.
RSP: 002b:00007f6aefe41038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f6af137ff80 RCX: 00007f6af11c7ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f6af123ab76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6af137ff80 R15: 00007ffedbac14d8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1398 Comm: syz.0.135 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:irq_exit_rcu+0x0/0x10 kernel/softirq.c:446
Code: 0b eb d3 89 d9 80 e1 07 80 c1 03 38 c1 7c 97 48 89 df e8 f3 8b 68 00 eb 8d 90 55 48 89 e5 e8 97 38 6d 03 e8 52 ff ff ff 5d c3 <55> 48 89 e5 e8 07 00 00 00 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57
RSP: 0018:ffffc90000007578 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffffc900000075a8 RCX: ffff888124a4bb40
RDX: 0000000000010101 RSI: ffffffff85068d40 RDI: ffffffff85602440
RBP: ffffc90000007598 R08: ffffffff815b1baa R09: ffffffff815df64d
R10: 0000000000000002 R11: ffff888124a4bb40 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f95c2bdf6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555571ee34a8 CR3: 000000011357c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:set_alloc_info mm/kasan/common.c:430 [inline]
RIP: 0010:__kasan_slab_alloc+0x90/0xe0 mm/kasan/common.c:463
Code: f0 00 00 00 00 75 5b 4d 63 a7 e8 00 00 00 4d 85 e4 74 4f 49 01 dc 74 4a 65 48 8b 05 4a 4b 5a 7e 8b 80 88 05 00 00 41 89 04 24 <49> 89 e7 ba 00 02 00 00 4c 89 ff 31 f6 e8 ae 26 00 00 4c 89 ff be
RSP: 0018:ffffc90000007650 EFLAGS: 00000282
RAX: 0000000000000576 RBX: ffff888138bac3c0 RCX: 0000000000000000
RDX: 000000000000001e RSI: 0000000000000000 RDI: ffffed1027175896
RBP: ffffc90000007870 R08: ffffc90000007900 R09: ffffed1027175878
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888138bac4b0
R13: 0000000000000000 R14: 0000000000000a20 R15: ffff888109886300
 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:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 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:native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline]
RIP: 0010:__call_rcu kernel/rcu/tree.c:3009 [inline]
RIP: 0010:call_rcu+0xd13/0x11f0 kernel/rcu/tree.c:3050
Code: 00 74 08 4c 89 ef e8 3c 22 51 00 48 8b 05 f5 60 22 05 49 03 45 00 48 39 c3 7f 70 48 8b 44 24 38 48 89 44 24 60 ff 74 24 60 9d <49> bd 00 00 00 00 00 fc ff df 48 8b 5c 24 40 48 c7 84 24 80 00 00
RSP: 0018:ffffc9000108fa20 EFLAGS: 00000246
RAX: 0000000000000246 RBX: 000000000000045c RCX: ffffffff81572459
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881f7057388
RBP: ffffc9000108fb88 R08: dffffc0000000000 R09: ffffed103ee0ae72
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ee0ae71
R13: ffff8881f7057398 R14: 1ffff1103ee0ae73 R15: ffff8881f7057388
 put_task_struct_rcu_user+0x58/0x90 kernel/exit.c:227
 finish_task_switch+0x252/0x5a0 kernel/sched/core.c:3918
 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:check_kcov_mode kernel/kcov.c:165 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 kernel/kcov.c:197
Code: 45 08 65 48 8b 0d 90 c0 97 7e 65 8b 15 95 c0 97 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 dc 0a 00 00 00 74 2c <8b> 91 b8 0a 00 00 83 fa 02 75 21 48 8b 91 c0 0a 00 00 48 8b 32 48
RSP: 0018:ffffc9000108fea0 EFLAGS: 00000246
RAX: ffffffff81b11c3d RBX: ffff88810f88a780 RCX: ffff888124a4bb40
RDX: 0000000080000000 RSI: 0000000000000029 RDI: ffff88810f88a780
RBP: ffffc9000108fea0 R08: ffffffff81b5934d R09: ffffed1021229bbd
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000200006c0
R13: ffff88810f88a780 R14: ffff88810f88a781 R15: 0000000000005452
 fput+0xd/0x20 fs/file_table.c:357
 fdput include/linux/file.h:46 [inline]
 __do_sys_ioctl fs/ioctl.c:756 [inline]
 __se_sys_ioctl+0x177/0x190 fs/ioctl.c:739
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f95c3f86ef9
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:00007f95c2bdf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f95c413f058 RCX: 00007f95c3f86ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000007
RBP: 00007f95c3ff9b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f95c413f058 R15: 00007ffcc9ce8618