IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
JFS: discard option not supported on device
BUG: unable to handle kernel paging request at ffff87fded8f802c
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP
CPU: 1 PID: 3790 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:diNewExt+0x44b/0x680 fs/jfs/jfs_imap.c:2371
Code: 80 c7 82 00 0a 00 00 00 00 00 00 ba 00 00 00 80 d3 ea 89 d1 49 63 d2 48 8d 14 93 09 4a 30 f7 d1 21 4a 20 89 73 40 83 6b 44 01 <83> 40 2c 1f 83 40 28 20 f0 41 83 87 b4 48 00 00 1f f0 41 83 87 b0
RSP: 0018:ffffc9000134fb30 EFLAGS: 00010206
RAX: ffff87fded8f8000 RBX: ffff880135ad9000 RCX: 00000000dfffffff
RDX: ffff880135ad9000 RSI: 0000000000000055 RDI: 0000000000000002
RBP: ffffc9000134fbd0 R08: ffff880135ad9010 R09: 000000000000002c
R10: 0000000000000000 R11: 0000000000000228 R12: 0000000000000004
R13: ffff8801338f8000 R14: 0000000000000068 R15: ffff8801338f8000
FS:  00007f443c0246c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff87fded8f802c CR3: 0000000135adf000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 diAllocExt fs/jfs/jfs_imap.c:1960 [inline]
 diAllocAG+0x765/0xa60 fs/jfs/jfs_imap.c:1677
 diAlloc+0x2b4/0x5b0 fs/jfs/jfs_imap.c:1598
 ialloc+0x4b/0x26c fs/jfs/jfs_inode.c:69
 jfs_mkdir+0xab/0x370 fs/jfs/namei.c:237
 vfs_mkdir+0x101/0x1a0 fs/namei.c:3817
 do_mkdirat+0xe5/0x110 fs/namei.c:3840
 __do_sys_mkdirat fs/namei.c:3851 [inline]
 __se_sys_mkdirat fs/namei.c:3849 [inline]
 __x64_sys_mkdirat+0x15/0x20 fs/namei.c:3849
 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f443c4a05e7
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f443c023ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f443c4a05e7
RDX: 00000000000001ff RSI: 0000000020000140 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000140
R13: 00007f443c023f40 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: ffff87fded8f802c
---[ end trace cbbc22b83e777c5e ]---
RIP: 0010:diNewExt+0x44b/0x680 fs/jfs/jfs_imap.c:2371
Code: 80 c7 82 00 0a 00 00 00 00 00 00 ba 00 00 00 80 d3 ea 89 d1 49 63 d2 48 8d 14 93 09 4a 30 f7 d1 21 4a 20 89 73 40 83 6b 44 01 <83> 40 2c 1f 83 40 28 20 f0 41 83 87 b4 48 00 00 1f f0 41 83 87 b0
RSP: 0018:ffffc9000134fb30 EFLAGS: 00010206
RAX: ffff87fded8f8000 RBX: ffff880135ad9000 RCX: 00000000dfffffff
RDX: ffff880135ad9000 RSI: 0000000000000055 RDI: 0000000000000002
RBP: ffffc9000134fbd0 R08: ffff880135ad9010 R09: 000000000000002c
R10: 0000000000000000 R11: 0000000000000228 R12: 0000000000000004
R13: ffff8801338f8000 R14: 0000000000000068 R15: ffff8801338f8000
FS:  00007f443c0246c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff87fded8f802c CR3: 0000000135adf000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	80 c7 82             	add    $0x82,%bh
   3:	00 0a                	add    %cl,(%rdx)
   5:	00 00                	add    %al,(%rax)
   7:	00 00                	add    %al,(%rax)
   9:	00 00                	add    %al,(%rax)
   b:	ba 00 00 00 80       	mov    $0x80000000,%edx
  10:	d3 ea                	shr    %cl,%edx
  12:	89 d1                	mov    %edx,%ecx
  14:	49 63 d2             	movslq %r10d,%rdx
  17:	48 8d 14 93          	lea    (%rbx,%rdx,4),%rdx
  1b:	09 4a 30             	or     %ecx,0x30(%rdx)
  1e:	f7 d1                	not    %ecx
  20:	21 4a 20             	and    %ecx,0x20(%rdx)
  23:	89 73 40             	mov    %esi,0x40(%rbx)
  26:	83 6b 44 01          	subl   $0x1,0x44(%rbx)
* 2a:	83 40 2c 1f          	addl   $0x1f,0x2c(%rax) <-- trapping instruction
  2e:	83 40 28 20          	addl   $0x20,0x28(%rax)
  32:	f0 41 83 87 b4 48 00 	lock addl $0x1f,0x48b4(%r15)
  39:	00 1f
  3b:	f0                   	lock
  3c:	41                   	rex.B
  3d:	83                   	.byte 0x83
  3e:	87                   	.byte 0x87
  3f:	b0                   	.byte 0xb0