loop0: detected capacity change from 0 to 32768
lmLogOpen: exit(-6)
ERROR: (device loop0): txBegin: read-only filesystem
ERROR: (device loop0): remounting filesystem as read-only
jfs_dirty_inode called on read-only volume
Is remount racy?
find_entry called with index = 0
find_entry called with index = 0
find_entry called with index = 0
find_entry called with index = 0
jfs_dirty_inode called on read-only volume
Is remount racy?
jfs_dirty_inode called on read-only volume
Is remount racy?
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-07422-gacb4f33713b9 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
assign_lock_key+0x135/0x150 kernel/locking/lockdep.c:986
register_lock_class+0xd6/0x330 kernel/locking/lockdep.c:1300
__lock_acquire+0x80/0xd80 kernel/locking/lockdep.c:5110
lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd8/0x130 kernel/locking/spinlock.c:162
__wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
txEnd+0x8f/0x570 fs/jfs/jfs_txnmgr.c:504
jfs_mkdir+0x37a/0xbb0 fs/jfs/namei.c:293
vfs_mkdir+0x2f9/0x500 fs/namei.c:4324
do_mkdirat+0x273/0x3f0 fs/namei.c:4357
__do_sys_mkdir fs/namei.c:4379 [inline]
__se_sys_mkdir fs/namei.c:4377 [inline]
__x64_sys_mkdir+0x6c/0x80 fs/namei.c:4377
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd00b38d169
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:00007fd0077f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fd00b5a5fa0 RCX: 00007fd00b38d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007fd00b40e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd00b5a5fa0 R15: 00007ffdc6546758
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-07422-gacb4f33713b9 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__wake_up_common include/linux/list.h:-1 [inline]
RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106
Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 63 a1 8f 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000d517a90 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000d517960
RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52001aa2f2c
R10: dffffc0000000000 R11: fffff52001aa2f2c R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900013d9070
FS: 00007fd0077f56c0(0000) GS:ffff88808c5f1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001080 CR3: 0000000044c96000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
txEnd+0x8f/0x570 fs/jfs/jfs_txnmgr.c:504
jfs_mkdir+0x37a/0xbb0 fs/jfs/namei.c:293
vfs_mkdir+0x2f9/0x500 fs/namei.c:4324
do_mkdirat+0x273/0x3f0 fs/namei.c:4357
__do_sys_mkdir fs/namei.c:4379 [inline]
__se_sys_mkdir fs/namei.c:4377 [inline]
__x64_sys_mkdir+0x6c/0x80 fs/namei.c:4377
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd00b38d169
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:00007fd0077f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fd00b5a5fa0 RCX: 00007fd00b38d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007fd00b40e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd00b5a5fa0 R15: 00007ffdc6546758
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__wake_up_common include/linux/list.h:-1 [inline]
RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106
Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 63 a1 8f 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000d517a90 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000d517960
RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52001aa2f2c
R10: dffffc0000000000 R11: fffff52001aa2f2c R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900013d9070
FS: 00007fd0077f56c0(0000) GS:ffff88808c5f1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001080 CR3: 0000000044c96000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: fb sti
1: 0f 84 d1 00 00 00 je 0xd8
7: 8b 6c 24 04 mov 0x4(%rsp),%ebp
b: eb 13 jmp 0x20
d: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
14: fc ff df
17: 4c 39 fb cmp %r15,%rbx
1a: 0f 84 b8 00 00 00 je 0xd8
20: 49 89 de mov %rbx,%r14
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 74 12 je 0x42
30: 4c 89 f7 mov %r14,%rdi
33: e8 63 a1 8f 00 call 0x8fa19b
38: 48 rex.W
39: ba 00 00 00 00 mov $0x0,%edx
3e: 00 fc add %bh,%ah