watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.1.759:2569]
Modules linked in:
CPU: 1 PID: 2569 Comm: syz.1.759 Not tainted 5.4.276-syzkaller-00021-g58de09405d1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__list_add_valid+0x5c/0xe0 lib/list_debug.c:30
Code: 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 88 b1 62 ff 48 8b 13 4c 39 e2 75 68 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 e7 e8 6a b1 62 ff 49 8b 14 24 4c 39 f2 75 5d 4d 39 e7
RSP: 0018:ffff8881f6f096f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103db004a9 RBX: ffffffff863fc520 RCX: ffff8881ee7e8000
RDX: ffff8881ed802548 RSI: ffff8881ed802548 RDI: ffff8881ed801548
RBP: 1ffffffff0c7f8a4 R08: ffffffff8382f38c R09: fffffbfff0c7f8a3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ed802548
R13: dffffc0000000000 R14: ffffffff863fc518 R15: ffff8881ed801548
FS:  00007f340f0896c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32219ff8 CR3: 00000001ec01c000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __list_add include/linux/list.h:60 [inline]
 list_add_tail include/linux/list.h:93 [inline]
 ___neigh_create+0x13db/0x1ae0 net/core/neighbour.c:655
 ip6_finish_output2+0x965/0x18e0 net/ipv6/ip6_output.c:141
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248
 dst_output include/net/dst.h:438 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0x702/0xc30 net/ipv6/ndisc.c:509
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3954
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:4558
Code: 4c 89 e7 e8 50 d0 43 fd f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 b4 90 f4 fc fb bf 01 00 00 00 <e8> b9 e6 ff ff fa bf 01 00 00 00 e8 1e 92 f4 fc 65 48 8b 1d 76 3f
RSP: 0018:ffff8881eae2fa80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103dcfd12f RBX: 1ffff1103d5c5f54 RCX: ffffffff84512a00
RDX: ffffc90001d4c000 RSI: 00000000000056af RDI: 0000000000000001
RBP: ffff8881eae2fb08 R08: ffffffff82316a19 R09: ffffed103edeb135
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881eae2faa0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff1103d5c5f50
 retint_kernel+0x1b/0x1b
RIP: 0010:__up_write kernel/locking/rwsem.c:1497 [inline]
RIP: 0010:up_write+0xb3/0x270 kernel/locking/rwsem.c:1636
Code: 48 89 df e8 2f 64 48 00 49 c7 45 08 00 00 00 00 4c 89 ef be 08 00 00 00 e8 0a 37 48 00 48 c7 c0 ff ff ff ff f0 49 0f c1 45 00 <a8> 02 75 34 48 c7 44 24 20 0e 36 e0 45 4b c7 04 26 00 00 00 00 65
RSP: 0018:ffff8881eae2fbc0 EFLAGS: 00000257 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f1111c80 RCX: ffffffff814bba86
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881f1111c78
RBP: ffff8881eae2fc80 R08: dffffc0000000000 R09: ffffed103e222390
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103d5c5f7c
R13: ffff8881f1111c78 R14: dffffc0000000000 R15: 000000000000000a
 inode_unlock include/linux/fs.h:830 [inline]
 perf_fasync+0x89/0xa0 kernel/events/core.c:6003
 ioctl_fioasync fs/ioctl.c:579 [inline]
 do_vfs_ioctl+0xb93/0x1720 fs/ioctl.c:684
 ksys_ioctl fs/ioctl.c:742 [inline]
 __do_sys_ioctl fs/ioctl.c:749 [inline]
 __se_sys_ioctl fs/ioctl.c:747 [inline]
 __x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f340fe49f19
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:00007f340f089048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f340ffd8110 RCX: 00007f340fe49f19
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 000000000000000a
RBP: 00007f340feb8bcd R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f340ffd8110 R15: 00007ffccacd2ef8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2513 Comm: syz.4.744 Not tainted 5.4.276-syzkaller-00021-g58de09405d1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:irqtime_account_irq+0x61/0x1b0 kernel/sched/cputime.c:60
Code: 42 80 3c 28 00 74 08 48 89 df e8 3a d2 4d 00 80 3d b3 3b a3 05 01 0f 85 35 01 00 00 48 89 2c 24 49 c7 c7 70 91 02 00 4c 03 3b <e8> aa 1c eb 00 89 c7 e8 f3 f4 ff ff 49 89 c4 4d 8d 77 10 4c 89 f3
RSP: 0018:ffff8881f6e09428 EFLAGS: 00000082
RAX: 1ffffffff0ac63e2 RBX: ffffffff85631f10 RCX: ffff8881d5fa8fc0
RDX: 0000000000010500 RSI: 0000000000010500 RDI: 0000000000000000
RBP: ffff8881d5fa8fc0 R08: ffffffff82316961 R09: ffffffff8157be97
R10: ffff8881d5fa8fc0 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881eb7874d8 R15: ffff8881f6e29170
FS:  00007f9a712796c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a72039eef CR3: 00000001ec01c000 CR4: 00000000003406b0
DR0: 0040000100000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 account_irq_exit_time include/linux/vtime.h:114 [inline]
 irq_exit+0x19/0x1c0 kernel/softirq.c:410
 exiting_irq arch/x86/include/asm/apic.h:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:cache_from_obj+0x0/0x120 mm/slab.h:505
Code: 48 83 c3 18 48 85 c0 75 e4 65 ff 0d 46 18 6f 7e 0f 85 76 ff ff ff e8 ef de 6c ff e9 6c ff ff ff 0f 0b 0f 1f 84 00 00 00 00 00 <41> 57 41 56 53 48 89 f3 49 89 fe 0f 1f 44 00 00 48 81 fb 00 00 00
RSP: 0018:ffff8881f6e09580 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: ffffffff83781fa7 RBX: ffff8881ef6fbdc0 RCX: ffff8881d5fa8fc0
RDX: 0000000000000500 RSI: ffff8881ef6fbdc0 RDI: ffff8881f1cccf00
RBP: ffff8881f6e097f0 R08: 0000000000000005 R09: ffffffff83781f99
R10: ffff8881d5fa8fc0 R11: 0000000000000002 R12: 0000000000000002
R13: 1ffff1103edc12f2 R14: dffffc0000000000 R15: ffff8881ef6fbdc0
 kmem_cache_free+0x16/0x2c0 mm/slub.c:3093
 kfree_skb_list+0x3d/0x60 net/core/skbuff.c:717
 __dev_xmit_skb net/core/dev.c:3467 [inline]
 __dev_queue_xmit+0x18a1/0x27e0 net/core/dev.c:3768
 neigh_output include/net/neighbour.h:518 [inline]
 ip6_finish_output2+0xf9e/0x18e0 net/ipv6/ip6_output.c:144
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248
 dst_output include/net/dst.h:438 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0x702/0xc30 net/ipv6/ndisc.c:509
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3954
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:___preempt_schedule_notrace+0x26/0x30
Code: 00 00 00 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 9a f7 4f 03 eb 00 41 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 5d <c3> 90 90 90 90 90 90 90 90 90 e8 8b e4 63 00 e9 e6 c1 42 00 66 0f
RSP: 0018:ffff8881eb787588 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffffea0007b36a28 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881eb787790 R08: ffffffff818ad344 R09: ffffed103abf51f9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000001b3231f000 R14: 0000000000000000 R15: 0000000000000000
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x5b/0x60 kernel/locking/spinlock.c:183
 spin_unlock include/linux/spinlock.h:378 [inline]
 zap_pte_range mm/memory.c:1163 [inline]
 zap_pmd_range mm/memory.c:1222 [inline]
 zap_pud_range mm/memory.c:1251 [inline]
 zap_p4d_range mm/memory.c:1272 [inline]
 unmap_page_range+0xa07/0x2620 mm/memory.c:1293
 unmap_single_vma mm/memory.c:1338 [inline]
 unmap_vmas+0x355/0x4b0 mm/memory.c:1370
 exit_mmap+0x2bc/0x520 mm/mmap.c:3191
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:536 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:846
 do_group_exit+0x138/0x300 kernel/exit.c:982
 get_signal+0xdb1/0x1440 kernel/signal.c:2735
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f9a72039f19
Code: Bad RIP value.
RSP: 002b:00007f9a71279048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f9a721c8110 RCX: 00007f9a72039f19
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000009
RBP: 00007f9a720a8bcd R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f9a721c8110 R15: 00007ffe68ec7f08