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 PID: 5938 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 assign_lock_key+0x234/0x270 kernel/locking/lockdep.c:976 register_lock_class+0x1cf/0x970 kernel/locking/lockdep.c:1289 __lock_acquire+0xd9/0x1fd0 kernel/locking/lockdep.c:5014 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 txEnd+0x8c/0x560 fs/jfs/jfs_txnmgr.c:504 jfs_create+0x371/0xb90 fs/jfs/namei.c:159 lookup_open fs/namei.c:3477 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x13fa/0x3290 fs/namei.c:3776 do_filp_open+0x234/0x490 fs/namei.c:3809 do_sys_openat2+0x13e/0x1d0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f020ba7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f020c70e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f020bb9bf80 RCX: 00007f020ba7cae9 RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f020bac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f020bb9bf80 R15: 00007fff5d8a41b8 </TASK> general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 5938 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106 Code: fb 0f 84 cc 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b3 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 53 11 80 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b737630 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000b737500 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520016e6ea0 R10: dffffc0000000000 R11: fffff520016e6ea0 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900025e1070 FS: 00007f020c70e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa664742008 CR3: 00000000261a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> txEnd+0x8c/0x560 fs/jfs/jfs_txnmgr.c:504 jfs_create+0x371/0xb90 fs/jfs/namei.c:159 lookup_open fs/namei.c:3477 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x13fa/0x3290 fs/namei.c:3776 do_filp_open+0x234/0x490 fs/namei.c:3809 do_sys_openat2+0x13e/0x1d0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f020ba7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f020c70e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f020bb9bf80 RCX: 00007f020ba7cae9 RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f020bac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f020bb9bf80 R15: 00007fff5d8a41b8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106 Code: fb 0f 84 cc 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b3 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 53 11 80 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b737630 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000b737500 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520016e6ea0 R10: dffffc0000000000 R11: fffff520016e6ea0 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900025e1070 FS: 00007f020c70e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa664742008 CR3: 00000000261a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fb sti 1: 0f 84 cc 00 00 00 je 0xd3 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 b3 00 00 00 je 0xd3 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 53 11 80 00 call 0x80118b 38: 48 rex.W 39: ba 00 00 00 00 mov $0x0,%edx 3e: 00 fc add %bh,%ah