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WARNING: CPU: 1 PID: 6356 at kernel/signal.c:2008 posixtimer_send_sigqueue+0x9da/0xbc0 kernel/signal.c:2008
Modules linked in:
CPU: 1 UID: 0 PID: 6356 Comm: syz-executor377 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:posixtimer_send_sigqueue+0x9da/0xbc0 kernel/signal.c:2008
Code: df 80 3c 08 00 74 08 48 89 df e8 c1 ad a5 00 4c 89 2b eb 51 e8 a7 32 3b 00 41 be 02 00 00 00 e9 e9 fd ff ff e8 97 32 3b 00 90 <0f> 0b 90 e9 f2 fa ff ff 4c 89 ef e8 86 33 5a 03 84 c0 0f 84 aa 01
RSP: 0018:ffffc90000a18bc0 EFLAGS: 00010006
RAX: ffffffff81644979 RBX: 0000000000000000 RCX: ffff88801c7c5a00
RDX: 0000000000010000 RSI: 000000000000001e RDI: 0000000000000009
RBP: ffffc90000a18cc0 R08: ffffffff816450cc R09: 1ffffffff2857112
R10: dffffc0000000000 R11: fffffbfff2857113 R12: ffff8880783d29e4
R13: 1ffff1100f07a53c R14: ffff8880783d2960 R15: ffff8880783d2a20
FS: 00007f2ff16066c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ff16a7068 CR3: 0000000054f18000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
alarm_handle_timer+0x2f/0x60 kernel/time/alarmtimer.c:537
alarmtimer_fired+0x173/0x410 kernel/time/alarmtimer.c:205
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 e6 c3 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 d7 c3 20 00 eb 06 e8 d0 c3 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 d6 3d 8b 00 4c 8b
RSP: 0018:ffffc9000c07f300 EFLAGS: 00000293
RAX: ffffffff817eb840 RBX: ffffffff8f17f1b8 RCX: ffff88801c7c5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000c07f4b0 R08: ffffffff817eb817 R09: 1ffffffff2857110
R10: dffffc0000000000 R11: fffffbfff2857111 R12: ffffffff8f17f160
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc9000c07f500
__console_flush_and_unlock kernel/printk/printk.c:3258 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3298
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2451
__xfs_printk fs/xfs/xfs_message.c:24 [inline]
xfs_printk_level+0x1ca/0x320 fs/xfs/xfs_message.c:44
xfs_qm_quotacheck+0x64c/0x6f0 fs/xfs/xfs_qm.c:1424
xfs_qm_mount_quotas+0x345/0x630 fs/xfs/xfs_qm.c:1491
xfs_mountfs+0x1a16/0x20d0 fs/xfs/xfs_mount.c:984
xfs_fs_fill_super+0x11f0/0x1460 fs/xfs/xfs_super.c:1765
get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
do_new_mount+0x2be/0xb40 fs/namespace.c:3507
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4057 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ff165bf0a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 1e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2ff1605fd8 EFLAGS: 00000242 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2ff1605ff0 RCX: 00007f2ff165bf0a
RDX: 0000000020009600 RSI: 0000000020009640 RDI: 00007f2ff1605ff0
RBP: 0000000000000004 R08: 00007f2ff1606030 R09: 0000000000009641
R10: 0000000000200800 R11: 0000000000000242 R12: 00007f2ff1606030
R13: 0000000000200800 R14: 0000000000000003 R15: 0000000001000000
----------------
Code disassembly (best guess):
0: 48 21 c3 and %rax,%rbx
3: 0f 85 16 02 00 00 jne 0x21f
9: e8 e6 c3 20 00 call 0x20c3f4
e: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
13: 4d 85 f6 test %r14,%r14
16: 75 07 jne 0x1f
18: e8 d7 c3 20 00 call 0x20c3f4
1d: eb 06 jmp 0x25
1f: e8 d0 c3 20 00 call 0x20c3f4
24: fb sti
25: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx
* 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction
2f: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
34: 74 08 je 0x3e
36: 48 89 df mov %rbx,%rdi
39: e8 d6 3d 8b 00 call 0x8b3e14
3e: 4c rex.WR
3f: 8b .byte 0x8b