watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.915:4963]
Modules linked in:
CPU: 1 PID: 4963 Comm: syz.2.915 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:slab_alloc_node mm/slub.c:2889 [inline]
RIP: 0010:slab_alloc mm/slub.c:2955 [inline]
RIP: 0010:kmem_cache_alloc+0xd8/0x2e0 mm/slub.c:2960
Code: 00 65 48 ff 08 e8 f8 21 b0 ff e9 b1 00 00 00 4d 85 e4 0f 84 a8 00 00 00 4c 8b 6d c0 0f 1f 44 00 00 49 8b 04 24 65 48 8b 50 08 <49> 8b 04 24 65 48 03 05 0c 7a 5a 7e 48 3b 50 08 75 e5 48 8b 38 48
RSP: 0018:ffffc900001708f0 EFLAGS: 00000282
RAX: 0000607e08c05aa0 RBX: 00000000000000f0 RCX: 0000000000000000
RDX: 0000000000031769 RSI: 00000000000000f0 RDI: ffffffff8683ae00
RBP: ffffc90000170938 R08: ffffffff83c8433d R09: ffffed102436b522
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810b00cd80
R13: ffffffff83c843dd R14: 0000000000000a20 R15: 0000000000000a20
FS:  00007f2d07d896c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df16ff8 CR3: 00000001389e7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 f0 f9 f6 fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 44 c5 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 ce c6 97 fc 65 48 8b 1d 56 20
RSP: 0018:ffffc900011e70a0 EFLAGS: 00000246
RAX: 1ffff110237e18ae RBX: 1ffff9200023ce18 RCX: ffffffff84b27500
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900011e7120 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc900011e70c0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200023ce14
 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_start+0x0/0x3a0 arch/x86/kernel/unwind_frame.c:365
Code: ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 5a fe ff ff e8 94 22 76 00 e9 50 fe ff ff e8 8a ca 7a 03 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 48 48 89 4d d0 49
RSP: 0018:ffffc900011e7218 EFLAGS: 00000246
RAX: ffff88811bf0bb40 RBX: ffffc900011e7310 RCX: ffffc900011e72b0
RDX: 0000000000000000 RSI: ffff88811bf0bb40 RDI: ffffc900011e7220
RBP: ffffc900011e72b0 R08: dffffc0000000000 R09: ffffc900011e73b0
R10: 0000000000000006 R11: dffffc0000000001 R12: ffff88811bf0bb40
R13: ffffffff8159b780 R14: ffffc900011e7300 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x121/0x160 mm/kasan/common.c:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1595 [inline]
 slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc3/0x270 mm/slub.c:4191
 inode_doinit_use_xattr+0x276/0x400 security/selinux/hooks.c:1365
 inode_doinit_with_dentry+0xa6c/0x1050 security/selinux/hooks.c:1532
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6389
 security_d_instantiate+0x9f/0x100 security/security.c:1980
 d_splice_alias+0x6d/0x390 fs/dcache.c:3036
 kernfs_iop_lookup+0x2a4/0x2f0 fs/kernfs/dir.c:1178
 lookup_open fs/namei.c:3226 [inline]
 open_last_lookups fs/namei.c:3317 [inline]
 path_openat+0x11ab/0x3000 fs/namei.c:3506
 do_filp_open+0x21c/0x460 fs/namei.c:3536
 do_sys_openat2+0x13f/0x710 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1244
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2d0910fef9
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:00007f2d07d89038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f2d092c7f80 RCX: 00007f2d0910fef9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 0000000000000007
RBP: 00007f2d09182b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2d092c7f80 R15: 00007ffe98278b58
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3448 Comm: syz.2.647 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:local_clock include/linux/sched/clock.h:84 [inline]
RIP: 0010:cpu_clock_event_update kernel/events/core.c:10540 [inline]
RIP: 0010:cpu_clock_event_read+0xf/0x50 kernel/events/core.c:10573
Code: 49 01 9c 24 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 a1 e4 dd ff <65> 8b 3d 02 49 75 7e e8 75 d0 bd ff 48 89 c3 49 8d be d8 01 00 00
RSP: 0018:ffffc900000076e0 EFLAGS: 00000046
RAX: ffffffff818cc83f RBX: ffffffff86806e88 RCX: ffff888127f5bb40
RDX: 0000000000010101 RSI: 0000000000000001 RDI: ffff888115b9c000
RBP: ffffc900000076f0 R08: ffffffff818cc93d R09: ffffc90000007780
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888115b9c098
R13: 1ffff92000000ee8 R14: ffff888115b9c000 R15: ffff888115b9c158
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e117ff8 CR3: 000000010dfc9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_swevent_hrtimer+0x115/0x560 kernel/events/core.c:10456
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 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:atomic_fetch_add_relaxed include/asm-generic/atomic-instrumented.h:142 [inline]
RIP: 0010:__refcount_add include/linux/refcount.h:193 [inline]
RIP: 0010:__refcount_inc include/linux/refcount.h:250 [inline]
RIP: 0010:refcount_inc include/linux/refcount.h:267 [inline]
RIP: 0010:in6_dev_hold include/net/addrconf.h:428 [inline]
RIP: 0010:addrconf_mod_rs_timer+0x7e/0xe0 net/ipv6/addrconf.c:324
Code: 89 c3 31 ff 89 c6 e8 b1 80 43 fd 85 db 74 07 e8 f8 7c 43 fd eb 4c 4d 8d b7 08 01 00 00 4c 89 f7 be 04 00 00 00 e8 e2 18 81 fd <bb> 01 00 00 00 f0 41 0f c1 9f 08 01 00 00 31 ff 89 de e8 7b 80 43
RSP: 0018:ffffc90000007c78 EFLAGS: 00000256
RAX: 0000000000000101 RBX: 0000000000000000 RCX: ffffffff84272ffe
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888126278108
RBP: ffffc90000007c90 R08: dffffc0000000000 R09: ffffed1024c4f022
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888126278268 R14: ffff888126278108 R15: ffff888126278000
 addrconf_rs_timer+0x3d1/0x600 net/ipv6/addrconf.c:3973
 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:get_pcppage_migratetype mm/page_alloc.c:234 [inline]
RIP: 0010:free_unref_page mm/page_alloc.c:3401 [inline]
RIP: 0010:free_the_page+0xc5/0x370 mm/page_alloc.c:5407
Code: 62 ff ff 84 c0 0f 84 9e 00 00 00 48 89 5c 24 18 4c 8d 7b 20 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 3b 29 04 00 <45> 8b 2f 41 83 fd 03 0f 8d a9 00 00 00 48 8d 5c 24 60 49 89 df 49
RSP: 0018:ffffc9000111f740 EFLAGS: 00000246
RAX: 1ffffd4000916dac RBX: ffffea00048b6d40 RCX: 000000000000002c
RDX: 0000000000000200 RSI: 00000000000000ff RDI: ffffed10245b6c00
RBP: ffffc9000111f818 R08: dffffc0000000000 R09: ffffed10245b6a00
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff110223f24b4 R14: 1ffff92000223ef0 R15: ffffea00048b6d60
 __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: 0033:0x7f4690084ef9
Code: Unable to access opcode bytes at RIP 0x7f4690084ecf.
RSP: 002b:00007f468ecfe0e8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f469023cf88 RCX: 00007f4690084ef9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f469023cf8c
RBP: 00007f469023cf80 R08: 00007ffe5b5dd0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f469023cf8c
R13: 0000000000000000 R14: 00007ffe5b56f090 R15: 00007ffe5b56f178