syzbot

watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.0.1040:3870]
Modules linked in:
CPU: 0 PID: 3870 Comm: syz.0.1040 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:orc_ip arch/x86/kernel/unwind_orc.c:27 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:49 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:175 [inline]
RIP: 0010:unwind_next_frame+0x612/0x1ea0 arch/x86/kernel/unwind_orc.c:438
Code: e8 3f 48 01 c8 48 83 e0 fe 49 8d 5c 45 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 48 63 03 <48> 01 d8 48 8d 4b 04 4c 39 e0 4c 0f 46 e9 48 8d 43 fc 4c 0f 47 f8
RSP: 0018:ffff8881f6e09140 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: fffffffffad9590f RBX: ffffffff86507cb8 RCX: dffffc0000000000
RDX: ffffffff86507cb4 RSI: ffffffff867b0760 RDI: 0000000000000001
RBP: ffff8881f6e09430 R08: 0000000000000007 R09: ffff8881f6e09590
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8129d56c
R13: ffffffff86507cb4 R14: ffffffff86507cb4 R15: ffffffff86507cbc
FS:  00007f9699fb46c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001ea9ba000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __unwind_start+0x708/0x890 arch/x86/kernel/unwind_orc.c:691
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xdd/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 dst_alloc+0x154/0x4c0 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:357 [inline]
 icmp6_dst_alloc+0xf1/0x550 net/ipv6/route.c:3183
 ndisc_send_skb+0x262/0xc30 net/ipv6/ndisc.c:489
 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3b eb 85 e8 35 01 43 fd 48 83 3d 9d 1e 9a 01 00 74 29 48 89 df e8 93 d6 fa fc 66 90 fb bf 01 00 00 00 <e8> 16 c3 f3 fc 65 8b 05 7b 70 b1 7b 85 c0 74 02 5b c3 e8 04 37 af
RSP: 0018:ffff8881e3e6f9b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6e57b40 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881e3e6fa10 R08: ffffffff81799679 R09: fffffbfff0c96e7b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6e57b40
R13: ffff8881e8128fc0 R14: dffffc0000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3347 [inline]
 finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
 context_switch kernel/sched/core.c:3611 [inline]
 __schedule+0xb0d/0x1320 kernel/sched/core.c:4307
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:4558
 retint_kernel+0x1b/0x1b
RIP: 0010:fasync_add_entry fs/fcntl.c:966 [inline]
RIP: 0010:fasync_helper+0x4d/0xa0 fs/fcntl.c:984
Code: 48 8b 3d 56 58 ac 04 be c0 0c 00 00 e8 ac 2d f4 ff 48 85 c0 74 47 48 89 c5 44 89 ff 48 89 de 4c 89 f2 48 89 c1 e8 e3 fc ff ff <48> 85 c0 74 3a e8 69 f9 c4 ff 48 8b 3d 22 58 ac 04 48 89 ee e8 fa
RSP: 0018:ffff8881e3e6fc68 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8881eacd2000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff8881eb1cbd40 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f1111018
R13: 0000000000000003 R14: ffff8881f2cd4af8 R15: 0000000000000003
 perf_fasync+0x7f/0xa0 kernel/events/core.c:6002
 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: 0033:0x7f969ad32b99
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:00007f9699fb4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f969aec0f60 RCX: 00007f969ad32b99
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f969ada1a7a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f969aec0f60 R15: 00007ffc8e1f3298
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2699 Comm: syz.1.727 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:hrtimer_forward+0x0/0x2c0 kernel/time/hrtimer.c:937
Code: c7 c7 10 6d 4b 86 e8 ff 40 3f 00 48 8b 35 e8 8f f6 04 bf 08 00 00 00 48 c7 c2 c0 c6 ef 85 e9 87 0e ec ff 0f 1f 80 00 00 00 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 30 49 89 d4 48 89 f3 49 89
RSP: 0018:ffff8881f6f095f8 EFLAGS: 00000082
RAX: 0000004340231e27 RBX: ffff8881f6f4b670 RCX: 0000000000000018
RDX: 0000000000002710 RSI: 0000004340231e27 RDI: ffff8881efb56958
RBP: ffff8881f6f098b0 R08: ffffffff815553d9 R09: ffffed103edea9b7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000002710
R13: 1ffff1103ede12c8 R14: 0000000000000001 R15: ffff8881efb56958
FS:  00007f23829a46c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2383764b6f CR3: 0000000005e0e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_forward_now include/linux/hrtimer.h:503 [inline]
 perf_swevent_hrtimer+0x4b8/0x560 kernel/events/core.c:9693
 __run_hrtimer kernel/time/hrtimer.c:1581 [inline]
 __hrtimer_run_queues+0x3e9/0xb90 kernel/time/hrtimer.c:1643
 hrtimer_interrupt+0x38a/0x890 kernel/time/hrtimer.c:1705
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:addrconf_mod_rs_timer+0x53/0xe0 net/ipv6/addrconf.c:318
Code: 00 fc ff df 80 3c 08 00 74 0c 48 c7 c7 80 a9 e0 85 e8 a1 f3 be fd 48 03 1d fa 7e 0b 02 4c 89 f7 48 89 de e8 4f 62 7f fd 89 c3 <31> ff 89 c6 e8 54 11 8f fd 85 db 74 07 e8 5b 0e 8f fd eb 49 4d 8d
RSP: 0018:ffff8881f6f09c18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000102
RDX: 0000000000000102 RSI: 0000000000000246 RDI: 0000000000000001
RBP: ffff8881f6f09d10 R08: ffffffff815498e9 R09: ffffed103ede92a9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881e4e2f268 R14: ffff8881e4e2f268 R15: ffff8881e4e2f000
 addrconf_rs_timer+0x3d1/0x600 net/ipv6/addrconf.c:3963
 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:free_swap_cache+0x1/0x210 mm/swap_state.c:267
Code: 15 77 d2 ff eb 05 e8 0e 77 d2 ff 5b 41 5e 41 5f 5d c3 e8 02 77 d2 ff 48 ff cb 49 89 de eb 97 66 2e 0f 1f 84 00 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 48 89 fd 49 bd 00 00 00 00 00 fc ff df
RSP: 0018:ffff8881e7d87520 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103d99e2c8 RBX: ffff8881eccf1010 RCX: ffff8881ea01ee40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0007774ac0
RBP: 0000000000000630 R08: ffffffff8191c2de R09: fffff94000eee951
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881eccf1008 R14: 00000000000001f6 R15: 0000000000000fa8
 free_pages_and_swap_cache+0x5e/0x90 mm/swap_state.c:296
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:189 [inline]
 tlb_flush_mmu+0xc8/0x170 mm/mmu_gather.c:196
 zap_pte_range mm/memory.c:1173 [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+0x1d29/0x2620 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
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f2383764b99
Code: Bad RIP value.
RSP: 002b:00007f23829a40f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f23838f3118 RCX: 00007f2383764b99
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f23838f3118
RBP: 00007f23838f3110 R08: 00007f23829a46c0 R09: 00007f23829a46c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23838f311c
R13: 000000000000000b R14: 00007fffee5cbc40 R15: 00007fffee5cbd28