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: 4986 Comm: syz.0.15 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 assign_lock_key+0x19c/0x1a8 kernel/locking/lockdep.c:937
 register_lock_class+0x1ac/0x694 kernel/locking/lockdep.c:1250
 __lock_acquire+0x150/0x651c kernel/locking/lockdep.c:4891
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0xe0/0x16c kernel/sched/wait.c:157
 txEnd+0x98/0x510 fs/jfs/jfs_txnmgr.c:504
 jfs_create+0x258/0x8c4 fs/jfs/namei.c:159
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x1144/0x26e4 fs/namei.c:3739
 do_filp_open+0x164/0x330 fs/namei.c:3769
 do_sys_openat2+0x128/0x3d8 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1280
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Unable to handle kernel paging request at virtual address dfff800000000000
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4986 Comm: syz.0.15 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __wake_up_common+0x1c8/0x3b0 kernel/sched/wait.c:101
lr : __wake_up_common_lock kernel/sched/wait.c:138 [inline]
lr : __wake_up+0x100/0x16c kernel/sched/wait.c:157
sp : ffff80001fcb7400
x29: ffff80001fcb7420 x28: dfff800000000000 x27: ffff80001e884070
x26: 0000000000000000 x25: ffff80001e884030 x24: 0000000000000000
x23: 0000000000000003 x22: 1ffff00003f96e94 x21: 0000000000000000
x20: ffff80001fcb74a0 x19: 0000000000000000 x18: 0000000000000003
x17: 0000000000000000 x16: ffff8000082d476c x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: ffff700003f96e74
x11: 1ffff00003f96e74 x10: 0000000000000004 x9 : 0000000000000007
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fcb74a0 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000003 x0 : ffff80001e884030
Call trace:
 __wake_up_common+0x1c8/0x3b0 kernel/sched/wait.c:101
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up+0x100/0x16c kernel/sched/wait.c:157
 txEnd+0x98/0x510 fs/jfs/jfs_txnmgr.c:504
 jfs_create+0x258/0x8c4 fs/jfs/namei.c:159
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x1144/0x26e4 fs/namei.c:3739
 do_filp_open+0x164/0x330 fs/namei.c:3769
 do_sys_openat2+0x128/0x3d8 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1280
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: eb1b031f 54000ae0 d343ff08 aa1803fa (387c6908) 
---[ end trace 939cd39d1b8cc785 ]---
----------------
Code disassembly (best guess):
   0:	eb1b031f 	cmp	x24, x27
   4:	54000ae0 	b.eq	0x160  // b.none
   8:	d343ff08 	lsr	x8, x24, #3
   c:	aa1803fa 	mov	x26, x24
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction