EXT4-fs (loop8): mounted filesystem with ordered data mode. Opts: init_itable,,errors=continue. Quota mode: journalled.
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 PID: 4617 Comm: syz.8.1145 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:jbd2_journal_file_inode+0x143/0x580 fs/jbd2/transaction.c:2700
Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 42 de c7 02 49 8d 7e 28 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 32 9c bb ff 4d 09 66 28 4d 8d 66 38 4d 89 e7
RSP: 0018:ffffc90001587718 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff888129f4b640 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028
RBP: ffffc90001587760 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002b0ed4 R12: 0000000000000006
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff110253e96c8
FS:  00007f33b150f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6dc5b90000 CR3: 000000012615f000 CR4: 00000000003506a0
Call Trace:
 <TASK>
 jbd2_journal_inode_ranged_write+0x34/0x40 fs/jbd2/transaction.c:2744
 ext4_jbd2_inode_add_write fs/ext4/ext4_jbd2.h:424 [inline]
 ext4_map_blocks+0x1167/0x1a50 fs/ext4/inode.c:764
 ext4_convert_inline_data_nolock+0x435/0xcd0 fs/ext4/inline.c:1286
 ext4_convert_inline_data+0x470/0x5b0 fs/ext4/inline.c:2129
 ext4_setattr+0xdc7/0x1b10 fs/ext4/inode.c:5555
 notify_change+0xc30/0xf40 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 vfs_truncate+0x25b/0x2f0 fs/open.c:112
 do_sys_truncate+0xf2/0x1c0 fs/open.c:135
 __do_sys_truncate fs/open.c:147 [inline]
 __se_sys_truncate fs/open.c:145 [inline]
 __x64_sys_truncate+0x5b/0x70 fs/open.c:145
 x64_sys_call+0x212/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:77
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f33b2ac0fd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f33b150f028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f33b2d3dfa0 RCX: 00007f33b2ac0fd9
RDX: 0000000000000000 RSI: 0000000002fffffd RDI: 00002000000033c0
RBP: 00007f33b2b4ffed R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f33b2d3e038 R14: 00007f33b2d3dfa0 R15: 00007ffd0e587178
 </TASK>
Modules linked in:
---[ end trace a2768b5db5dce58e ]---
RIP: 0010:jbd2_journal_file_inode+0x143/0x580 fs/jbd2/transaction.c:2700
Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 42 de c7 02 49 8d 7e 28 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 32 9c bb ff 4d 09 66 28 4d 8d 66 38 4d 89 e7
RSP: 0018:ffffc90001587718 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff888129f4b640 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028
RBP: ffffc90001587760 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002b0ed4 R12: 0000000000000006
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff110253e96c8
FS:  00007f33b150f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6dc5b90000 CR3: 000000012615f000 CR4: 00000000003506a0
----------------
Code disassembly (best guess):
   0:	03 48 89             	add    -0x77(%rax),%ecx
   3:	45 c0 48 8d b8       	rex.RB rorb $0xb8,-0x73(%r8)
   8:	80 04 00 00          	addb   $0x0,(%rax,%rax,1)
   c:	48 89 7d b8          	mov    %rdi,-0x48(%rbp)
  10:	e8 42 de c7 02       	call   0x2c7de57
  15:	49 8d 7e 28          	lea    0x28(%r14),%rdi
  19:	48 89 f8             	mov    %rdi,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 05                	je     0x35
  30:	e8 32 9c bb ff       	call   0xffbb9c67
  35:	4d 09 66 28          	or     %r12,0x28(%r14)
  39:	4d 8d 66 38          	lea    0x38(%r14),%r12
  3d:	4d 89 e7             	mov    %r12,%r15