watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz.4.271:1146]
Modules linked in:
CPU: 1 PID: 1146 Comm: syz.4.271 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_stack_walk+0x118/0x140 arch/x86/kernel/stacktrace.c:24
Code: 89 df e8 cb e6 05 00 48 85 c0 74 20 4c 89 f7 48 89 c6 31 d2 41 ff d5 84 c0 74 11 48 89 df e8 cf e7 05 00 83 bd 70 ff ff ff 00 <75> d3 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 0f 48 83 c4 68 5b
RSP: 0018:ffff8881f6f09700 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000101 RBX: ffff8881f6f09700 RCX: 2e5816437f94d800
RDX: ffff8881f6f09740 RSI: ffff8881f6f09380 RDI: 0000000000000001
RBP: ffff8881f6f09790 R08: dffffc0000000000 R09: ffff8881f6f09750
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e4a46e40
R13: ffffffff8153b310 R14: ffff8881f6f097e0 R15: 0000000000000000
FS:  00007f0181da06c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3121aff8 CR3: 00000001dd8f6000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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]
 __kmalloc_track_caller+0x100/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1080 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:687
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 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:538 [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:ioctl_fioasync fs/ioctl.c:583 [inline]
RIP: 0010:do_vfs_ioctl+0xba1/0x1720 fs/ioctl.c:684
Code: 88 f4 ff 48 8b 0b 48 85 c9 48 8b 54 24 08 0f 84 53 04 00 00 44 89 ef 4c 89 fe ff d1 41 89 c6 31 db 31 ff 89 c6 e8 3f a6 c4 ff <45> 85 f6 0f 88 52 04 00 00 e8 41 a3 c4 ff e9 31 06 00 00 49 8d 5f
RSP: 0018:ffff8881e2dcfcc0 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13
RAX: ffff8881e4a46e40 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e2dcfed8 R08: ffffffff819f98d1 R09: ffffed103e22270b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103c5b9fa4
R13: 0000000000000005 R14: 0000000000000000 R15: ffff8881e3bfc300
 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: 0033:0x7f0182b1ed39
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:00007f0181da0048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0182cacfa0 RCX: 00007f0182b1ed39
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f0182b9f766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0182cacfa0 R15: 00007ffeb615c918
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1094 Comm: syz.0.259 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_static_branch_jump kernel/sched/clock.c:366 [inline]
RIP: 0010:sched_clock_stable kernel/sched/clock.c:110 [inline]
RIP: 0010:sched_clock_cpu+0x0/0x3a0 kernel/sched/clock.c:370
Code: 05 05 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 80 eb ed 85 48 89 de e8 2e 2b 02 01 e9 43 ff ff ff 66 0f 1f 84 00 00 00 00 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 20 0f 1f 44 00 00 e8 08 19
RSP: 0018:ffff8881f6e092c0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff85631f10 RCX: ffff8881e8ec1f80
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffff8881e8ec1f80 R08: ffffffff82316ca1 R09: ffffed103edcb135
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881e8ec1f80 R15: ffff8881f6e29170
FS:  00007f36f9a296c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f36fa7a7d0f CR3: 00000001ee1d8000 CR4: 00000000003406b0
DR0: 0040000100000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 irqtime_account_irq+0x6d/0x1b0 kernel/sched/cputime.c:61
 account_irq_enter_time include/linux/vtime.h:108 [inline]
 irq_enter+0x77/0xa0 kernel/softirq.c:358
 ipi_entering_ack_irq arch/x86/include/asm/apic.h:531 [inline]
 smp_irq_work_interrupt+0xc/0x250 arch/x86/kernel/irq_work.c:18
 irq_work_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:865
RIP: 0010:unwind_next_frame+0x1878/0x1ea0 arch/x86/kernel/unwind_orc.c:613
Code: 0f 85 a0 01 00 00 41 c7 06 00 00 00 00 31 c0 48 c7 84 24 a0 00 00 00 0e 36 e0 45 48 c7 03 00 00 00 00 48 c7 43 09 00 00 00 00 <48> c7 43 11 00 00 00 00 48 c7 43 19 00 00 00 00 48 c7 43 21 00 00
RSP: 0018:ffff8881f6e09400 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff09
RAX: 0000000000000101 RBX: ffffed103edc1294 RCX: 0000000000000100
RDX: ffff8881f6e09740 RSI: ffff8881f6e09380 RDI: 0000000000000001
RBP: ffff8881f6e096f0 R08: dffffc0000000000 R09: ffff8881f6e09750
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0cf8a3b
R13: ffffffff867c51d7 R14: ffff8881e779fd00 R15: ffff8881e7798000
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 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]
 __kmalloc_track_caller+0x100/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1080 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:687
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 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:538 [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:PageMappingFlags include/linux/page-flags.h:458 [inline]
RIP: 0010:free_pages_prepare mm/page_alloc.c:1165 [inline]
RIP: 0010:free_pcp_prepare mm/page_alloc.c:1233 [inline]
RIP: 0010:free_unref_page_prepare+0x3a/0x380 mm/page_alloc.c:3085
Code: 49 bd 00 00 00 00 00 fc ff df 0f 1f 44 00 00 49 8d 6c 24 18 48 89 eb 48 c1 eb 03 42 80 3c 2b 00 74 08 48 89 ef e8 16 4d 04 00 <f6> 45 00 03 74 17 42 80 3c 2b 00 74 08 48 89 ef e8 81 4d 04 00 48
RSP: 0018:ffff8881e779f2e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 000015fffffffff8 RBX: 1ffffd4000e93fc3 RCX: dffffc0000000000
RDX: 0000000000000200 RSI: 00000000001d27f8 RDI: ffffea000749fe00
RBP: ffffea000749fe18 R08: dffffc0000000000 R09: ffffed103d288000
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea000749fe00
R13: dffffc0000000000 R14: 00000000001d27f8 R15: ffff8881e779f4e0
 free_unref_page_list+0x10a/0x590 mm/page_alloc.c:3154
 release_pages+0xad8/0xb20 mm/swap.c:842
 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
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f36fa7a7d39
Code: Bad RIP value.
RSP: 002b:00007f36f9a29048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f36fa935fa0 RCX: 00007f36fa7a7d39
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f36fa828766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f36fa935fa0 R15: 00007fff96f72028