JFS: discard option not supported on device
ERROR: (device loop3): diRead: i_ino != di_number
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 6469 Comm: syz-executor.3 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:write_special_inodes+0x9c/0x160 fs/jfs/jfs_logmgr.c:208
Code: 8b 7d 30 41 ff d4 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 a7 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 84 00 00 00 49 8b 7d 30 41 ff d4 48 8d bb b0 00
RSP: 0018:ffffc90002387a98 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffff888035bba400 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000030
RBP: dffffc0000000000 R08: 0000000000000001 R09: 7fffffffffffffff
R10: fffffbfff1c13923 R11: 0000000000000001 R12: ffffffff81864620
R13: 0000000000000000 R14: ffff888034087000 R15: 0000000000000000
FS:  00007fac4b288700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe70d7bd0b0 CR3: 00000000224cf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 jfs_flush_journal+0x256/0x690 fs/jfs/jfs_logmgr.c:1580
 jfs_umount+0xf8/0x3c0 fs/jfs/jfs_umount.c:58
 jfs_fill_super+0x7f0/0xbc0 fs/jfs/super.c:606
 mount_bdev+0x2cb/0x3b0 fs/super.c:1366
 legacy_get_tree+0xfa/0x1f0 fs/fs_context.c:592
 vfs_get_tree+0x7f/0x2c0 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x41e/0x1b30 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount fs/namespace.c:3409 [inline]
 __x64_sys_mount+0x1f5/0x260 fs/namespace.c:3409
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fac4bb15ada
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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:00007fac4b287f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fac4bb15ada
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fac4b287fe0
RBP: 00007fac4b288020 R08: 00007fac4b288020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fac4b287fe0 R15: 0000000020000140
Modules linked in:
---[ end trace 1fff636309c1d55d ]---
RIP: 0010:write_special_inodes+0x9c/0x160 fs/jfs/jfs_logmgr.c:208
Code: 8b 7d 30 41 ff d4 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 a7 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 84 00 00 00 49 8b 7d 30 41 ff d4 48 8d bb b0 00
RSP: 0018:ffffc90002387a98 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffff888035bba400 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000030
RBP: dffffc0000000000 R08: 0000000000000001 R09: 7fffffffffffffff
R10: fffffbfff1c13923 R11: 0000000000000001 R12: ffffffff81864620
R13: 0000000000000000 R14: ffff888034087000 R15: 0000000000000000
FS:  00007fac4b288700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056075e824950 CR3: 00000000224cf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8b 7d 30             	mov    0x30(%rbp),%edi
   3:	41 ff d4             	callq  *%r12
   6:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
   a:	48 89 f8             	mov    %rdi,%rax
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
  15:	0f 85 a7 00 00 00    	jne    0xc2
  1b:	4c 8b 6b 28          	mov    0x28(%rbx),%r13
  1f:	49 8d 7d 30          	lea    0x30(%r13),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1) <-- trapping instruction
  2e:	0f 85 84 00 00 00    	jne    0xb8
  34:	49 8b 7d 30          	mov    0x30(%r13),%rdi
  38:	41 ff d4             	callq  *%r12
  3b:	48                   	rex.W
  3c:	8d                   	.byte 0x8d
  3d:	bb                   	.byte 0xbb
  3e:	b0 00                	mov    $0x0,%al