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WARNING: CPU: 1 PID: 13170 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050
Modules linked in:
CPU: 1 UID: 0 PID: 13170 Comm: syz.7.1523 Not tainted 6.13.0-rc7-syzkaller-00149-g9bffa1ad25b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050
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
RSP: 0018:ffffc90000a18c00 EFLAGS: 00010082
RAX: dffffc0000000000 RBX: 1ffff1100b4707c3 RCX: ffff88802b015a00
RDX: 0000000000010000 RSI: 0000000000020000 RDI: 0000000000000000
RBP: ffffc90000a18cf8 R08: ffffffff81646100 R09: 1ffffffff1e12532
R10: dffffc0000000000 R11: fffffbfff1e12533 R12: ffff88805a383e00
R13: 1ffff1100b4707d0 R14: ffff88805a383e18 R15: ffff88805a383ec0
FS: 00007f651ed7e6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c325ae8 CR3: 000000007eaaa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
posix_timer_queue_signal kernel/time/posix-timers.c:308 [inline]
posix_timer_fn+0xe2/0x160 kernel/time/posix-timers.c:323
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59b/0xd30 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 66 ab 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 57 ab 20 00 eb 06 e8 50 ab 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 06 8a 84 00 4c 8b
RSP: 0018:ffffc9000543f1c0 EFLAGS: 00000287
RAX: ffffffff817ec6d0 RBX: ffffffff8f162e38 RCX: 0000000000080000
RDX: ffffc9001870f000 RSI: 00000000000089e7 RDI: 00000000000089e8
RBP: ffffc9000543f370 R08: ffffffff817ec6a7 R09: 1ffffffff284e310
R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffffffff8f162de0
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc9000543f3c0
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
_printk+0xd5/0x120 kernel/printk/printk.c:2457
netdev_info+0x122/0x170 net/core/dev.c:12012
__dev_set_allmulti+0x1b0/0x380 net/core/dev.c:8828
vif_add+0x1073/0x1670 net/ipv4/ipmr.c:863
ip_mroute_setsockopt+0xee2/0x1190 net/ipv4/ipmr.c:1465
do_ip_setsockopt+0x129f/0x3cd0 net/ipv4/ip_sockglue.c:948
ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417
do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
__sys_setsockopt net/socket.c:2338 [inline]
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
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: 0033:0x7f651df85d29
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:00007f651ed7e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f651e176160 RCX: 00007f651df85d29
RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f651e001b08 R08: 0000000000000010 R09: 0000000000000000
R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f651e176160 R15: 00007ffd0f9c3c68
----------------
Code disassembly (best guess):
0: 48 21 c3 and %rax,%rbx
3: 0f 85 16 02 00 00 jne 0x21f
9: e8 66 ab 20 00 call 0x20ab74
e: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
13: 4d 85 f6 test %r14,%r14
16: 75 07 jne 0x1f
18: e8 57 ab 20 00 call 0x20ab74
1d: eb 06 jmp 0x25
1f: e8 50 ab 20 00 call 0x20ab74
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 06 8a 84 00 call 0x848a44
3e: 4c rex.WR
3f: 8b .byte 0x8b