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: 1 UID: 0 PID: 5828 Comm: syz-executor887 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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_create+0x373/0xbb0 fs/jfs/namei.c:159
lookup_open fs/namei.c:3666 [inline]
open_last_lookups fs/namei.c:3765 [inline]
path_openat+0x194b/0x35d0 fs/namei.c:4001
do_filp_open+0x284/0x4e0 fs/namei.c:4031
do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
do_sys_open fs/open.c:1444 [inline]
__do_sys_openat fs/open.c:1460 [inline]
__se_sys_openat fs/open.c:1455 [inline]
__x64_sys_openat+0x249/0x2a0 fs/open.c:1455
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: 0033:0x7f994c1adab9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc336c1428 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000200000000f40 RCX: 00007f994c1adab9
RDX: 000000000000275a RSI: 0000200000000280 RDI: 00000000ffffff9c
RBP: 0000200000000000 R08: 0000000000000000 R09: 0000200000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000008c0
R13: 0000200000008040 R14: 00007f994c1f605e R15: 0000000000000001
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 5828 Comm: syz-executor887 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 93 ff 8e 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003e87610 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90003e874e0
RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520007d0e9c
R10: dffffc0000000000 R11: fffff520007d0e9c R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900026f5070
FS: 000055556bb5e380(0000) GS:ffff8881250c9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b5139d628 CR3: 00000000338be000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
txEnd+0x8f/0x570 fs/jfs/jfs_txnmgr.c:504
jfs_create+0x373/0xbb0 fs/jfs/namei.c:159
lookup_open fs/namei.c:3666 [inline]
open_last_lookups fs/namei.c:3765 [inline]
path_openat+0x194b/0x35d0 fs/namei.c:4001
do_filp_open+0x284/0x4e0 fs/namei.c:4031
do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
do_sys_open fs/open.c:1444 [inline]
__do_sys_openat fs/open.c:1460 [inline]
__se_sys_openat fs/open.c:1455 [inline]
__x64_sys_openat+0x249/0x2a0 fs/open.c:1455
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: 0033:0x7f994c1adab9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc336c1428 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000200000000f40 RCX: 00007f994c1adab9
RDX: 000000000000275a RSI: 0000200000000280 RDI: 00000000ffffff9c
RBP: 0000200000000000 R08: 0000000000000000 R09: 0000200000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000008c0
R13: 0000200000008040 R14: 00007f994c1f605e R15: 0000000000000001
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 93 ff 8e 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003e87610 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90003e874e0
RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520007d0e9c
R10: dffffc0000000000 R11: fffff520007d0e9c R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900026f5070
FS: 000055556bb5e380(0000) GS:ffff8881250c9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b5139d628 CR3: 00000000338be000 CR4: 00000000003526f0
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 93 ff 8e 00 call 0x8effcb
38: 48 rex.W
39: ba 00 00 00 00 mov $0x0,%edx
3e: 00 fc add %bh,%ah