EXT4-fs warning (device loop0): ext4_evict_inode:282: couldn't mark inode dirty (err -117)
EXT4-fs (loop0): 1 orphan inode deleted
general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 0 PID: 6703 Comm: syz-executor375 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__ext4_journal_get_write_access+0xb0/0x6c0 fs/ext4/ext4_jbd2.c:231
Code: 90 ff 49 8d 5f 30 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 ee 9d d3 ff 48 8b 1b 48 83 c3 38 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 d1 9d d3 ff 4c 8b 23 4d 85 e4 4c
RSP: 0018:ffffc900010f7740 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 0000000000000038 RCX: ffff88811d032180
RDX: 0000000000000000 RSI: 0000000000000045 RDI: ffffffff861eb56a
RBP: ffffc900010f7810 R08: ffff88812196ec78 R09: 0000000000000001
R10: ffffed1025aa6847 R11: 1ffff11025aa6846 R12: ffff88812d534000
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88812196ec78
FS:  00005555671ba480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8d88050f8 CR3: 000000011773e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_update_primary_sb fs/ext4/ioctl.c:67 [inline]
 ext4_update_superblocks_fn+0x256/0x1120 fs/ext4/ioctl.c:221
 ext4_update_overhead+0x146/0x180 fs/ext4/ioctl.c:1709
 ext4_fill_super+0x279b/0x7a60 fs/ext4/super.c:5687
 get_tree_bdev+0x441/0x680 fs/super.c:1366
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5698
 vfs_get_tree+0x9a/0x270 fs/super.c:1573
 do_new_mount+0x25a/0xa20 fs/namespace.c:3069
 path_mount+0x675/0x1010 fs/namespace.c:3399
 do_mount fs/namespace.c:3412 [inline]
 __do_sys_mount fs/namespace.c:3620 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3597
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3597
 x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc8d878ed1a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc1ae39448 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc1ae39460 RCX: 00007fc8d878ed1a
RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007ffc1ae39460
RBP: 0000200000000040 R08: 00007ffc1ae394a0 R09: 00007ffc1ae394a0
R10: 0000000000000000 R11: 0000000000000202 R12: 0000200000000140
R13: 00007ffc1ae394a0 R14: 0000000000000004 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ext4_journal_get_write_access+0xb0/0x6c0 fs/ext4/ext4_jbd2.c:231
Code: 90 ff 49 8d 5f 30 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 ee 9d d3 ff 48 8b 1b 48 83 c3 38 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 d1 9d d3 ff 4c 8b 23 4d 85 e4 4c
RSP: 0018:ffffc900010f7740 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 0000000000000038 RCX: ffff88811d032180
RDX: 0000000000000000 RSI: 0000000000000045 RDI: ffffffff861eb56a
RBP: ffffc900010f7810 R08: ffff88812196ec78 R09: 0000000000000001
R10: ffffed1025aa6847 R11: 1ffff11025aa6846 R12: ffff88812d534000
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88812196ec78
FS:  00005555671ba480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1ae394e8 CR3: 000000011773e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	ff 49 8d             	decl   -0x73(%rcx)
   4:	5f                   	pop    %rdi
   5:	30 48 89             	xor    %cl,-0x77(%rax)
   8:	d8 48 c1             	fmuls  -0x3f(%rax)
   b:	e8 03 42 80 3c       	call   0x3c804213
  10:	28 00                	sub    %al,(%rax)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 ee 9d d3 ff       	call   0xffd39e0a
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 83 c3 38          	add    $0x38,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 d1 9d d3 ff       	call   0xffd39e0a
  39:	4c 8b 23             	mov    (%rbx),%r12
  3c:	4d 85 e4             	test   %r12,%r12
  3f:	4c                   	rex.WR