loop0: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,0) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,0) on (node local, slot 65535) with ordered data mode.
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: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
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+0x241/0x280 kernel/locking/lockdep.c:981
register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1295
__lock_acquire+0xf3/0x2100 kernel/locking/lockdep.c:5101
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
ocfs2_mark_lockres_freeing+0x15e/0x690 fs/ocfs2/dlmglue.c:3514
ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3570 [inline]
ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3578 [inline]
ocfs2_dlm_shutdown+0x3a/0x240 fs/ocfs2/dlmglue.c:3388
ocfs2_dismount_volume+0x497/0x910 fs/ocfs2/super.c:1918
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe31a1874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fe31b057e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007fe31b057ef0 RCX: 00007fe31a1874ca
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007fe31b057eb0
RBP: 0000000020000080 R08: 00007fe31b057ef0 R09: 0000000002a00403
R10: 0000000002a00403 R11: 0000000000000246 R12: 00000000200000c0
R13: 00007fe31b057eb0 R14: 000000000000446f R15: 00000000200003c0
ocfs2: Unmounting device (7,0) on (node local)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4630 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 df 7b 73 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 be 7b 73 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000d1bf320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff52001a37e78 RCX: 0000000000100000
RDX: ffffc9000e65a000 RSI: 00000000000280c2 RDI: 00000000000280c3
RBP: ffffc9000d1bfa70 R08: ffffffff8392601e R09: 1ffff1100a60e616
R10: dffffc0000000000 R11: ffffed100a60e617 R12: 0000000000000008
R13: 1ffff1100a60e644 R14: dffffc0000000000 R15: ffff888053073338
FS: 00007fe31b0586c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f48ef195ed8 CR3: 00000000404a4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
evict+0x4e8/0x9a0 fs/inode.c:796
__ocfs2_free_slot_info fs/ocfs2/slot_map.c:307 [inline]
ocfs2_free_slot_info+0x94/0x270 fs/ocfs2/slot_map.c:443
ocfs2_delete_osb+0x58/0x180 fs/ocfs2/super.c:2502
ocfs2_dismount_volume+0x5a4/0x910 fs/ocfs2/super.c:1936
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe31a1874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fe31b057e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007fe31b057ef0 RCX: 00007fe31a1874ca
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007fe31b057eb0
RBP: 0000000020000080 R08: 00007fe31b057ef0 R09: 0000000002a00403
R10: 0000000002a00403 R11: 0000000000000246 R12: 00000000200000c0
R13: 00007fe31b057eb0 R14: 000000000000446f R15: 00000000200003c0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4630 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 df 7b 73 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 be 7b 73 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000d1bf320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff52001a37e78 RCX: 0000000000100000
RDX: ffffc9000e65a000 RSI: 00000000000280c2 RDI: 00000000000280c3
RBP: ffffc9000d1bfa70 R08: ffffffff8392601e R09: 1ffff1100a60e616
R10: dffffc0000000000 R11: ffffed100a60e617 R12: 0000000000000008
R13: 1ffff1100a60e644 R14: dffffc0000000000 R15: ffff888053073338
FS: 00007fe31b0586c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f48ef195ed8 CR3: 00000000404a4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 4c 89 e0 mov %r12,%rax
5: 48 c1 e8 03 shr $0x3,%rax
9: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
e: 74 08 je 0x18
10: 4c 89 e7 mov %r12,%rdi
13: e8 df 7b 73 fe call 0xfe737bf7
18: 4c 01 f3 add %r14,%rbx
1b: 4d 8b 24 24 mov (%r12),%r12
1f: 49 83 c4 08 add $0x8,%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 be 7b 73 fe call 0xfe737bf7
39: 49 8b 3c 24 mov (%r12),%rdi
3d: 49 rex.WB
3e: 81 .byte 0x81
3f: c7 .byte 0xc7