EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
kmemleak: Automatic memory scanning thread ended
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 264192
Oops: general protection fault, probably for non-canonical address 0xdffffc0002f755a0: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000017baad00-0x0000000017baad07]
CPU: 0 UID: 0 PID: 4039 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:destroy_workqueue+0x5a2/0xa00
Code: 3f 0f 87 24 01 00 00 e8 0c 58 31 00 89 de 48 89 ef e8 52 6b fe ff 49 89 c7 48 85 c0 74 41 e8 f5 57 31 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 22 00 0f 85 89 03 00 00 49 8b 3f e8 bb 50 7b 03 4c 89 ff
RSP: 0018:ffff88800709fcb8 EFLAGS: 00010216
RAX: 000000000002f4bd RBX: 0000000000000000 RCX: ffffc90005e18000
RDX: 0000000002f755a0 RSI: ffffffff81428f8b RDI: 0000000000000005
RBP: ffff888046d81800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: ffffffff85852560 R14: ffffed1008db0339 R15: 0000000017baad00
FS: 00007f49ba0c1700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020c8e000 CR3: 000000001c7ce000 CR4: 0000000000350ef0
Call Trace:
ext4_put_super+0x106/0xf30
generic_shutdown_super+0x15a/0x4a0
kill_block_super+0x3b/0x90
ext4_kill_sb+0x6c/0xb0
deactivate_locked_super+0xbf/0x1a0
deactivate_super+0xb1/0xd0
cleanup_mnt+0x2df/0x430
task_work_run+0x172/0x280
exit_to_user_mode_loop+0xef/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f49bcb4d04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f49ba0c0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 0000000020000200 RCX: 00007f49bcb4d04a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f49ba0c1000
RBP: 00007f49ba0c1040 R08: 00007f49ba0c1040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f49ba0c1000 R15: 0000000020014100
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:destroy_workqueue+0x5a2/0xa00
Code: 3f 0f 87 24 01 00 00 e8 0c 58 31 00 89 de 48 89 ef e8 52 6b fe ff 49 89 c7 48 85 c0 74 41 e8 f5 57 31 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 22 00 0f 85 89 03 00 00 49 8b 3f e8 bb 50 7b 03 4c 89 ff
RSP: 0018:ffff88800709fcb8 EFLAGS: 00010216
RAX: 000000000002f4bd RBX: 0000000000000000 RCX: ffffc90005e18000
RDX: 0000000002f755a0 RSI: ffffffff81428f8b RDI: 0000000000000005
RBP: ffff888046d81800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: ffffffff85852560 R14: ffffed1008db0339 R15: 0000000017baad00
FS: 00007f49ba0c1700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020c8e000 CR3: 000000001c7ce000 CR4: 0000000000350ef0
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4039, name: syz-executor.0
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 4039 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f49bcb4d04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f49ba0c0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 0000000020000200 RCX: 00007f49bcb4d04a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f49ba0c1000
RBP: 00007f49ba0c1040 R08: 00007f49ba0c1040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f49ba0c1000 R15: 0000000020014100
SELinux: security_context_str_to_sid (system_u) failed with errno=-22
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
loop4: detected capacity change from 0 to 32767
tmpfs: Unknown parameter 'ur/Kw"P]{aQǺ~`(aTL 7?nU~OG'
tmpfs: Unknown parameter 'tmpfs'
loop7: detected capacity change from 0 to 264192
SELinux: security_context_str_to_sid (system_u) failed with errno=-22
tmpfs: Unknown parameter 'ur/Kw"P]{aQǺ~`(aTL 7?nU~OG'
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 0f 87 24 01 00 00 ja 0x12a
6: e8 0c 58 31 00 callq 0x315817
b: 89 de mov %ebx,%esi
d: 48 89 ef mov %rbp,%rdi
10: e8 52 6b fe ff callq 0xfffe6b67
15: 49 89 c7 mov %rax,%r15
18: 48 85 c0 test %rax,%rax
1b: 74 41 je 0x5e
1d: e8 f5 57 31 00 callq 0x315817
22: 4c 89 fa mov %r15,%rdx
25: 48 c1 ea 03 shr $0x3,%rdx
* 29: 42 80 3c 22 00 cmpb $0x0,(%rdx,%r12,1) <-- trapping instruction
2e: 0f 85 89 03 00 00 jne 0x3bd
34: 49 8b 3f mov (%r15),%rdi
37: e8 bb 50 7b 03 callq 0x37b50f7
3c: 4c 89 ff mov %r15,%rdi