INFO: task syz.3.2515:6821 blocked for more than 122 seconds.
Not tainted 6.12.38-syzkaller-gb632dc2e1d79 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2515 state:D stack:0 pid:6821 tgid:6820 ppid:6435 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
super_lock+0x150/0x300 fs/super.c:115
super_lock_shared fs/super.c:140 [inline]
iterate_supers+0x8a/0x560 fs/super.c:934
ksys_sync+0x95/0x160 fs/sync.c:103
__ia32_sys_sync+0x12/0x20 fs/sync.c:114
x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc64918ebe9
RSP: 002b:00007fc649f42038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc6493b5fa0 RCX: 00007fc64918ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc6493b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc6493b6038 R14: 00007fc6493b5fa0 R15: 00007ffed5552668
INFO: task syz.2.2551:6907 blocked for more than 123 seconds.
Not tainted 6.12.38-syzkaller-gb632dc2e1d79 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.2551 state:D stack:0 pid:6907 tgid:6906 ppid:5956 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
super_lock+0x150/0x300 fs/super.c:115
super_lock_shared fs/super.c:140 [inline]
iterate_supers+0x8a/0x560 fs/super.c:934
ksys_sync+0x95/0x160 fs/sync.c:103
__ia32_sys_sync+0x12/0x20 fs/sync.c:114
x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5b3b38ebe9
RSP: 002b:00007f5b3c2c7038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5b3b5b5fa0 RCX: 00007f5b3b38ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5b3b5b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5b3b5b6038 R14: 00007f5b3b5b5fa0 R15: 00007ffca1538c68
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.38-syzkaller-gb632dc2e1d79 #0 9921eaa9ec7b66c9f160f95d92f0c8099666722b
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xd8f/0xed0 kernel/hung_task.c:423
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 36 Comm: kauditd Not tainted 6.12.38-syzkaller-gb632dc2e1d79 #0 9921eaa9ec7b66c9f160f95d92f0c8099666722b
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:format_decode+0x4f6/0x1600 lib/vsprintf.c:2580
Code: b6 04 10 84 c0 0f 85 f3 0a 00 00 48 8b 45 c0 4c 89 20 48 8b 45 b0 0f b6 04 10 84 c0 0f 85 e5 09 00 00 48 8b 45 a8 0f b6 04 10 <84> c0 0f 85 01 0a 00 00 48 8b 45 c0 4c 8b 38 49 bc 00 00 00 00 00
RSP: 0018:ffffc9000025f248 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000000000fc RCX: ffffffff000000ff
RDX: dffffc0000000000 RSI: 00000000000000fc RDI: ffffc9000025f280
RBP: ffffc9000025f2b8 R08: ffff88810367df00 R09: 0000000000000005
R10: 0000000000000030 R11: 0000000000000000 R12: 0000000000000600
R13: 1ffffffff0b923e8 R14: ffffffff85c91f42 R15: 0000000000000036
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a5e384198 CR3: 0000000121920000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000000000d8 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0xe6/0x1aa0 lib/vsprintf.c:2755
sprintf+0xda/0x120 lib/vsprintf.c:3007
print_caller kernel/printk/printk.c:1401 [inline]
info_print_prefix+0x253/0x480 kernel/printk/printk.c:1418
record_print_text+0x155/0x430 kernel/printk/printk.c:1465
printk_get_next_message+0x273/0x930 kernel/printk/printk.c:3036
console_emit_next_record kernel/printk/printk.c:3104 [inline]
console_flush_all+0x3a4/0xaa0 kernel/printk/printk.c:3238
__console_flush_and_unlock kernel/printk/printk.c:3297 [inline]
console_unlock+0xe9/0x270 kernel/printk/printk.c:3337
vprintk_emit+0x27c/0x640 kernel/printk/printk.c:2461
vprintk_default+0x2a/0x40 kernel/printk/printk.c:2476
vprintk+0x93/0xa0 kernel/printk/printk_safe.c:73
_printk+0xd0/0x120 kernel/printk/printk.c:2486
kauditd_printk_skb kernel/audit.c:546 [inline]
kauditd_hold_skb+0x1cc/0x230 kernel/audit.c:581
kauditd_send_queue+0x2c5/0x310 kernel/audit.c:766
kauditd_thread+0x4f0/0x740 kernel/audit.c:890
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244