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 at fs/jfs/jfs_dmap.c:3002 assert(n < 4)
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 3827 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:dbFindLeaf fs/jfs/jfs_dmap.c:3002 [inline]
RIP: 0010:dbFindLeaf+0x53/0x80 fs/jfs/jfs_dmap.c:2972
Code: c0 01 41 39 c0 75 ec 55 48 c7 c1 1d 0d 59 82 ba ba 0b 00 00 48 c7 c6 80 0c 59 82 48 89 e5 48 c7 c7 6d fc 58 82 e8 96 da ce ff <0f> 0b 8d 0c 85 01 00 00 00 41 83 e9 01 75 b4 2b 47 08 89 02 31 c0
RSP: 0018:ffffc90001317aa0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880237a15788 RDI: ffff880237a15788
RBP: ffffc90001317aa0 R08: 0000000000000008 R09: 000000006b446240
R10: 0000000000000000 R11: ffff88022d97cd40 R12: ffff88022bb3b000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff88022d878000
FS:  00007f39cb3986c0(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208760bf CR3: 000000022dbd2000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dbAllocDmapLev+0x48/0xd0 fs/jfs/jfs_dmap.c:2010
 dbAlloc+0x346/0x410 fs/jfs/jfs_dmap.c:830
 extBalloc fs/jfs/jfs_extent.c:531 [inline]
 extAlloc+0x133/0x470 fs/jfs/jfs_extent.c:138
 jfs_get_block+0x99/0x2a0 fs/jfs/inode.c:257
 nobh_write_begin+0x1a3/0x510 fs/buffer.c:2607
 jfs_write_begin+0x31/0x6a fs/jfs/inode.c:322
 generic_perform_write+0xbe/0x1b0 mm/filemap.c:3139
 __generic_file_write_iter+0x147/0x1c0 mm/filemap.c:3264
 generic_file_write_iter+0x10e/0x210 mm/filemap.c:3292
 call_write_iter include/linux/fs.h:1808 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x11a/0x170 fs/read_write.c:487
 vfs_write fs/read_write.c:549 [inline]
 vfs_write+0xaa/0x1a0 fs/read_write.c:533
 ksys_write+0x53/0xc0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x15/0x20 fs/read_write.c:607
 do_syscall_64+0x69/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f39cb9129b9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f39cb398038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f39cbaaef80 RCX: 00007f39cb9129b9
RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f39cb9808d8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f39cbaaef80 R15: 00007ffd882a4688
Modules linked in:
---[ end trace 3fb8bd2bff487380 ]---
RIP: 0010:dbFindLeaf fs/jfs/jfs_dmap.c:3002 [inline]
RIP: 0010:dbFindLeaf+0x53/0x80 fs/jfs/jfs_dmap.c:2972
Code: c0 01 41 39 c0 75 ec 55 48 c7 c1 1d 0d 59 82 ba ba 0b 00 00 48 c7 c6 80 0c 59 82 48 89 e5 48 c7 c7 6d fc 58 82 e8 96 da ce ff <0f> 0b 8d 0c 85 01 00 00 00 41 83 e9 01 75 b4 2b 47 08 89 02 31 c0
RSP: 0018:ffffc90001317aa0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880237a15788 RDI: ffff880237a15788
RBP: ffffc90001317aa0 R08: 0000000000000008 R09: 000000006b446240
R10: 0000000000000000 R11: ffff88022d97cd40 R12: ffff88022bb3b000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff88022d878000
FS:  00007f39cb3986c0(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208760bf CR3: 000000022dbd2000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400