... Log Wrap ... Log Wrap ... Log Wrap ... ERROR: (device loop0): txBegin: read-only filesystem jfs_dirty_inode called on read-only volume Is remount racy? jfs_dirty_inode called on read-only volume Is remount racy? 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: 5073 Comm: syz-executor361 Not tainted 6.9.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 assign_lock_key+0x238/0x270 kernel/locking/lockdep.c:976 register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1289 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014 lock_acquire+0x1ed/0x550 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_mkdir+0x378/0xb90 fs/jfs/namei.c:293 vfs_mkdir+0x2f9/0x4b0 fs/namei.c:4123 do_mkdirat+0x264/0x3a0 fs/namei.c:4146 __do_sys_mkdir fs/namei.c:4166 [inline] __se_sys_mkdir fs/namei.c:4164 [inline] __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4164 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3d48d106f9 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:00007ffe20d63278 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f3d48d106f9 RDX: ffffffffffffffb8 RSI: 0000000000000000 RDI: 0000000020000300 RBP: 00007f3d48d89610 R08: 00007ffe20d63448 R09: 00007ffe20d63448 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe20d63438 R14: 0000000000000001 R15: 0000000000000001 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 5073 Comm: syz-executor361 Not tainted 6.9.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 23 aa 87 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003707a90 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90003707960 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520006e0f2c R10: dffffc0000000000 R11: fffff520006e0f2c R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002638070 FS: 000055558f489380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e74123ac28 CR3: 000000007d3b2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txEnd+0x8c/0x560 fs/jfs/jfs_txnmgr.c:504 jfs_mkdir+0x378/0xb90 fs/jfs/namei.c:293 vfs_mkdir+0x2f9/0x4b0 fs/namei.c:4123 do_mkdirat+0x264/0x3a0 fs/namei.c:4146 __do_sys_mkdir fs/namei.c:4166 [inline] __se_sys_mkdir fs/namei.c:4164 [inline] __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4164 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3d48d106f9 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:00007ffe20d63278 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f3d48d106f9 RDX: ffffffffffffffb8 RSI: 0000000000000000 RDI: 0000000020000300 RBP: 00007f3d48d89610 R08: 00007ffe20d63448 R09: 00007ffe20d63448 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe20d63438 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- 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 23 aa 87 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003707a90 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90003707960 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff520006e0f2c R10: dffffc0000000000 R11: fffff520006e0f2c R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002638070 FS: 000055558f489380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e74123ac28 CR3: 000000007d3b2000 CR4: 00000000003506f0 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 23 aa 87 00 call 0x87aa5b 38: 48 rex.W 39: ba 00 00 00 00 mov $0x0,%edx 3e: 00 fc add %bh,%ah