EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
overlayfs: option "workdir=./file0" is useless in a non-upper mount, ignore
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6216 at kernel/tracepoint.c:406 func_remove kernel/tracepoint.c:-1 [inline]
WARNING: CPU: 0 PID: 6216 at kernel/tracepoint.c:406 tracepoint_remove_func kernel/tracepoint.c:405 [inline]
WARNING: CPU: 0 PID: 6216 at kernel/tracepoint.c:406 tracepoint_probe_unregister+0x194/0x7c4 kernel/tracepoint.c:553
Modules linked in:
CPU: 0 PID: 6216 Comm: syz.2.467 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : tracepoint_remove_func kernel/tracepoint.c:-1 [inline]
pc : tracepoint_probe_unregister+0x194/0x7c4 kernel/tracepoint.c:553
lr : func_remove kernel/tracepoint.c:240 [inline]
lr : tracepoint_remove_func kernel/tracepoint.c:405 [inline]
lr : tracepoint_probe_unregister+0x190/0x7c4 kernel/tracepoint.c:553
sp : ffff8000213f7610
x29: ffff8000213f7640 x28: 1ffff00002fabf31 x27: dfff800000000000
x26: ffff800017d5f988 x25: ffff80001559ce88 x24: ffff800017d5f948
x23: ffff800008514cbc x22: 1fffe00018006e09 x21: ffff0000c0037048
x20: ffff0000c0037000 x19: fffffffffffffffe x18: 1fffe00033e7277e
x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000040000000
x14: 0000000000000001 x13: 1fffe00033e74e70 x12: 0000000000080000
x11: 000000000007ffff x10: ffff80002995c000 x9 : ffff8000084ca134
x8 : 0000000000080000 x7 : ffff80000825ab50 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 func_remove kernel/tracepoint.c:-1 [inline]
 tracepoint_remove_func kernel/tracepoint.c:405 [inline]
 tracepoint_probe_unregister+0x194/0x7c4 kernel/tracepoint.c:553
 unregister_trace_sched_switch include/trace/events/sched.h:222 [inline]
 tracing_sched_unregister kernel/trace/trace_sched_switch.c:86 [inline]
 tracing_stop_sched_switch kernel/trace/trace_sched_switch.c:128 [inline]
 tracing_stop_cmdline_record+0x88/0xd4 kernel/trace/trace_sched_switch.c:139
 __ftrace_event_enable_disable+0x488/0x8cc kernel/trace/trace_events.c:779
 ftrace_event_enable_disable kernel/trace/trace_events.c:866 [inline]
 ftrace_clear_events kernel/trace/trace_events.c:875 [inline]
 ftrace_event_set_open+0x128/0x264 kernel/trace/trace_events.c:2367
 do_dentry_open+0x738/0xf8c fs/open.c:882
 vfs_open+0x7c/0x90 fs/open.c:1015
 do_open fs/namei.c:3634 [inline]
 path_openat+0x1fc0/0x27a0 fs/namei.c:3791
 do_filp_open+0x198/0x38c fs/namei.c:3818
 do_sys_openat2+0x134/0x3fc fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __arm64_sys_openat+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x200/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 45962
hardirqs last  enabled at (45961): [<ffff80000825abe4>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
hardirqs last  enabled at (45961): [<ffff80000825abe4>] finish_lock_switch+0xb0/0x1c8 kernel/sched/core.c:5005
hardirqs last disabled at (45962): [<ffff800011b8c2bc>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (42962): [<ffff8000081ae3bc>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (42962): [<ffff8000081ae3bc>] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624
softirqs last disabled at (42829): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---