read_mapping_page failed!
diRead: diIAGRead returned -5
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 5311 Comm: syz.3.41 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x810/0xec0 fs/jfs/jfs_logmgr.c:1581
Code: da cb fe 4d 8d 77 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 be f4 eb fe 4d 8b 26 49 83 c4 30 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 e7 e8 a2 f4 eb fe 49 8b 3c 24 e8 59 da cb
RSP: 0018:ffffc900037efa80 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0e7165a061ce2c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037efbb8 R08: ffffc900037ef9ff R09: ffffc900037ef9c4
R10: dffffc0000000000 R11: fffff520006fdf40 R12: 0000000000000030
R13: ffff888025bea1a8 R14: ffff88807934de28 R15: ffff88807934de38
FS:  00007efc4228b6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc3e562000 CR3: 000000005ade9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_umount+0xf8/0x360 fs/jfs/jfs_umount.c:58
 jfs_fill_super+0x837/0xb00 fs/jfs/super.c:605
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 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: 0033:0x7efc42c2b04a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efc4228ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efc4228aee0 RCX: 00007efc42c2b04a
RDX: 0000200000000000 RSI: 00002000000002c0 RDI: 00007efc4228aea0
RBP: 0000200000000000 R08: 00007efc4228aee0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000002c0
R13: 00007efc4228aea0 R14: 0000000000006151 R15: 0000200000000040
 </TASK>
Modules linked in:
---[ end trace 7164dbff56755ce4 ]---
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x810/0xec0 fs/jfs/jfs_logmgr.c:1581
Code: da cb fe 4d 8d 77 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 be f4 eb fe 4d 8b 26 49 83 c4 30 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 e7 e8 a2 f4 eb fe 49 8b 3c 24 e8 59 da cb
RSP: 0018:ffffc900037efa80 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0e7165a061ce2c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037efbb8 R08: ffffc900037ef9ff R09: ffffc900037ef9c4
R10: dffffc0000000000 R11: fffff520006fdf40 R12: 0000000000000030
R13: ffff888025bea1a8 R14: ffff88807934de28 R15: ffff88807934de38
FS:  00007efc4228b6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faf4adff000 CR3: 000000005ade9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	da cb                	fcmove %st(3),%st
   2:	fe 4d 8d             	decb   -0x73(%rbp)
   5:	77 f0                	ja     0xfffffff7
   7:	4c 89 f0             	mov    %r14,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 be f4 eb fe       	call   0xfeebf4da
  1c:	4d 8b 26             	mov    (%r14),%r12
  1f:	49 83 c4 30          	add    $0x30,%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 e7             	mov    %r12,%rdi
  33:	e8 a2 f4 eb fe       	call   0xfeebf4da
  38:	49 8b 3c 24          	mov    (%r12),%rdi
  3c:	e8                   	.byte 0xe8
  3d:	59                   	pop    %rcx
  3e:	da cb                	fcmove %st(3),%st