program:
r0 = gettid()
rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffff9]}, 0x0, 0x8)
timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0)
r1 = gettid()
tkill(r1, 0x14)
bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@ldst={0x1, 0x2, 0x3, 0x0, 0x1, 0x88}]}, &(0x7f0000000100)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x95)
gettid() (async)
rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffff9]}, 0x0, 0x8) (async)
timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async)
timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async)
gettid() (async)
tkill(r1, 0x14) (async)
bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@ldst={0x1, 0x2, 0x3, 0x0, 0x1, 0x88}]}, &(0x7f0000000100)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x95) (async)
[ 57.541713][ C0] ------------[ cut here ]------------
[ 57.544003][ C0] WARNING: CPU: 0 PID: 5320 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xa08/0xce0
[ 57.548384][ C0] Modules linked in:
[ 57.549824][ C0] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc7-syzkaller-00149-g9bffa1ad25b8 #0
[ 57.553724][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 57.559530][ C0] RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0
[ 57.565094][ C0] Code: 00 0f 85 f4 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 23 1e 3b 00 4c 8b 64 24 08 e9 28 ff ff ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 f7
[ 57.574659][ C0] RSP: 0018:ffffc90000007c00 EFLAGS: 00010082
[ 57.577006][ C0] RAX: dffffc0000000000 RBX: 1ffff110081fe203 RCX: ffff8880006ac880
[ 57.580068][ C0] RDX: 0000000000010000 RSI: 0000000000020000 RDI: 0000000000000000
[ 57.582964][ C0] RBP: ffffc90000007cf8 R08: ffffffff81647150 R09: 1ffff110000d5140
[ 57.585879][ C0] R10: dffffc0000000000 R11: ffffed10000d5141 R12: ffff888040ff1000
[ 57.588719][ C0] R13: 1ffff110081fe210 R14: ffff888040ff1018 R15: ffff888040ff10c0
[ 57.591595][ C0] FS: 00007f07101f56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
[ 57.595112][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.597590][ C0] CR2: 0000000020040fe0 CR3: 0000000043afc000 CR4: 0000000000352ef0
[ 57.600687][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.603644][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.606653][ C0] Call Trace:
[ 57.607951][ C0]
[ 57.609135][ C0] ? __warn+0x165/0x4d0
[ 57.610772][ C0] ? posixtimer_send_sigqueue+0xa08/0xce0
[ 57.612870][ C0] ? report_bug+0x2b3/0x500
[ 57.614578][ C0] ? posixtimer_send_sigqueue+0xa08/0xce0
[ 57.616766][ C0] ? handle_bug+0x60/0x90
[ 57.618384][ C0] ? exc_invalid_op+0x1a/0x50
[ 57.620165][ C0] ? asm_exc_invalid_op+0x1a/0x20
[ 57.622067][ C0] ? prepare_signal+0x6c0/0xc90
[ 57.623916][ C0] ? posixtimer_send_sigqueue+0xa08/0xce0
[ 57.626036][ C0] ? posixtimer_send_sigqueue+0xd3/0xce0
[ 57.628210][ C0] ? __pfx_posixtimer_send_sigqueue+0x10/0x10
[ 57.630434][ C0] posix_timer_fn+0xe2/0x160
[ 57.632177][ C0] ? __pfx_posix_timer_fn+0x10/0x10
[ 57.634160][ C0] __hrtimer_run_queues+0x59b/0xd30
[ 57.636107][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 57.638269][ C0] ? kvm_clock_get_cycles+0x52/0x70
[ 57.640279][ C0] ? ktime_get_update_offsets_now+0x393/0x3b0
[ 57.642890][ C0] hrtimer_interrupt+0x403/0xa40
[ 57.644784][ C0] __sysvec_apic_timer_interrupt+0x110/0x420
[ 57.646988][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 57.649104][ C0]
[ 57.650254][ C0]
[ 57.651390][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 57.653714][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140
[ 57.656039][ C0] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 de 0f 3a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 43 b6 a1 f5 65 8b 05 b4 f8 37 74 85 c0 74 43 48 c7 04 24 0e 36
[ 57.663460][ C0] RSP: 0018:ffffc9000d3d7c60 EFLAGS: 00000206
[ 57.665861][ C0] RAX: dc9bb0cd03abcb00 RBX: 1ffff92001a7af90 RCX: ffffffff9a3ac903
[ 57.668863][ C0] RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
[ 57.671863][ C0] RBP: ffffc9000d3d7cf0 R08: ffffffff90198477 R09: 1ffffffff203308e
[ 57.674912][ C0] R10: dffffc0000000000 R11: fffffbfff203308f R12: dffffc0000000000
[ 57.677850][ C0] R13: 1ffff92001a7af8c R14: ffffc9000d3d7c80 R15: 0000000000000246
[ 57.680859][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 57.683185][ C0] do_timer_settime+0x37f/0x3e0
[ 57.685147][ C0] ? __pfx_do_timer_settime+0x10/0x10
[ 57.687177][ C0] ? rcu_is_watching+0x15/0xb0
[ 57.689103][ C0] __x64_sys_timer_settime+0x19e/0x240
[ 57.691244][ C0] ? __pfx___x64_sys_timer_settime+0x10/0x10
[ 57.693496][ C0] ? do_syscall_64+0x100/0x230
[ 57.695330][ C0] ? do_syscall_64+0xb6/0x230
[ 57.697191][ C0] do_syscall_64+0xf3/0x230
[ 57.698900][ C0] ? clear_bhb_loop+0x35/0x90
[ 57.700799][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.703056][ C0] RIP: 0033:0x7f0713d85d29
[ 57.704748][ C0] 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
[ 57.711842][ C0] RSP: 002b:00007f07101f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df
[ 57.715004][ C0] RAX: ffffffffffffffda RBX: 00007f0713f75fa0 RCX: 00007f0713d85d29
[ 57.717958][ C0] RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000
[ 57.720792][ C0] RBP: 00007f0713e01b08 R08: 0000000000000000 R09: 0000000000000000
[ 57.723715][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 57.726687][ C0] R13: 0000000000000000 R14: 00007f0713f75fa0 R15: 00007fffa8fa2ce8
[ 57.729573][ C0]
[ 57.730714][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 57.733478][ C0] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc7-syzkaller-00149-g9bffa1ad25b8 #0
[ 57.737351][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 57.741370][ C0] Call Trace:
[ 57.742722][ C0]
[ 57.743769][ C0] dump_stack_lvl+0x241/0x360
[ 57.745612][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 57.747642][ C0] ? __pfx__printk+0x10/0x10
[ 57.749414][ C0] ? _printk+0xd5/0x120
[ 57.751114][ C0] ? __init_begin+0x41000/0x41000
[ 57.752973][ C0] ? vscnprintf+0x5d/0x90
[ 57.754673][ C0] panic+0x349/0x880
[ 57.756085][ C0] ? __warn+0x174/0x4d0
[ 57.757797][ C0] ? __pfx_panic+0x10/0x10
[ 57.759399][ C0] __warn+0x344/0x4d0
[ 57.760993][ C0] ? posixtimer_send_sigqueue+0xa08/0xce0
[ 57.763043][ C0] report_bug+0x2b3/0x500
[ 57.764575][ C0] ? posixtimer_send_sigqueue+0xa08/0xce0
[ 57.766639][ C0] handle_bug+0x60/0x90
[ 57.768265][ C0] exc_invalid_op+0x1a/0x50
[ 57.770034][ C0] asm_exc_invalid_op+0x1a/0x20
[ 57.771805][ C0] RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0
[ 57.774084][ C0] Code: 00 0f 85 f4 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 23 1e 3b 00 4c 8b 64 24 08 e9 28 ff ff ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 f7
[ 57.781218][ C0] RSP: 0018:ffffc90000007c00 EFLAGS: 00010082
[ 57.783447][ C0] RAX: dffffc0000000000 RBX: 1ffff110081fe203 RCX: ffff8880006ac880
[ 57.786312][ C0] RDX: 0000000000010000 RSI: 0000000000020000 RDI: 0000000000000000
[ 57.789327][ C0] RBP: ffffc90000007cf8 R08: ffffffff81647150 R09: 1ffff110000d5140
[ 57.792246][ C0] R10: dffffc0000000000 R11: ffffed10000d5141 R12: ffff888040ff1000
[ 57.795234][ C0] R13: 1ffff110081fe210 R14: ffff888040ff1018 R15: ffff888040ff10c0
[ 57.797953][ C0] ? prepare_signal+0x6c0/0xc90
[ 57.799760][ C0] ? posixtimer_send_sigqueue+0xd3/0xce0
[ 57.801832][ C0] ? __pfx_posixtimer_send_sigqueue+0x10/0x10
[ 57.804036][ C0] posix_timer_fn+0xe2/0x160
[ 57.805816][ C0] ? __pfx_posix_timer_fn+0x10/0x10
[ 57.807822][ C0] __hrtimer_run_queues+0x59b/0xd30
[ 57.809966][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 57.812080][ C0] ? kvm_clock_get_cycles+0x52/0x70
[ 57.814116][ C0] ? ktime_get_update_offsets_now+0x393/0x3b0
[ 57.816499][ C0] hrtimer_interrupt+0x403/0xa40
[ 57.818491][ C0] __sysvec_apic_timer_interrupt+0x110/0x420
[ 57.820784][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 57.822877][ C0]
[ 57.824184][ C0]
[ 57.825359][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 57.827560][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140
[ 57.829879][ C0] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 de 0f 3a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 43 b6 a1 f5 65 8b 05 b4 f8 37 74 85 c0 74 43 48 c7 04 24 0e 36
[ 57.836805][ C0] RSP: 0018:ffffc9000d3d7c60 EFLAGS: 00000206
[ 57.839049][ C0] RAX: dc9bb0cd03abcb00 RBX: 1ffff92001a7af90 RCX: ffffffff9a3ac903
[ 57.841940][ C0] RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
[ 57.844803][ C0] RBP: ffffc9000d3d7cf0 R08: ffffffff90198477 R09: 1ffffffff203308e
[ 57.847776][ C0] R10: dffffc0000000000 R11: fffffbfff203308f R12: dffffc0000000000
[ 57.850696][ C0] R13: 1ffff92001a7af8c R14: ffffc9000d3d7c80 R15: 0000000000000246
[ 57.853600][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 57.855883][ C0] do_timer_settime+0x37f/0x3e0
[ 57.857680][ C0] ? __pfx_do_timer_settime+0x10/0x10
[ 57.859627][ C0] ? rcu_is_watching+0x15/0xb0
[ 57.861421][ C0] __x64_sys_timer_settime+0x19e/0x240
[ 57.863388][ C0] ? __pfx___x64_sys_timer_settime+0x10/0x10
[ 57.865603][ C0] ? do_syscall_64+0x100/0x230
[ 57.867358][ C0] ? do_syscall_64+0xb6/0x230
[ 57.869131][ C0] do_syscall_64+0xf3/0x230
[ 57.870764][ C0] ? clear_bhb_loop+0x35/0x90
[ 57.872503][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.874711][ C0] RIP: 0033:0x7f0713d85d29
[ 57.876371][ C0] 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
[ 57.883737][ C0] RSP: 002b:00007f07101f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df
[ 57.886941][ C0] RAX: ffffffffffffffda RBX: 00007f0713f75fa0 RCX: 00007f0713d85d29
[ 57.890015][ C0] RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000
[ 57.893026][ C0] RBP: 00007f0713e01b08 R08: 0000000000000000 R09: 0000000000000000
[ 57.896043][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 57.898994][ C0] R13: 0000000000000000 R14: 00007f0713f75fa0 R15: 00007fffa8fa2ce8
[ 57.902133][ C0]
[ 57.903587][ C0] Kernel Offset: disabled
[ 57.905370][ C0] Rebooting in 86400 seconds..