BUG at fs/jfs/jfs_txnmgr.c:663 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:663!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 23304 Comm: syz.0.2965 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:txLock+0x1b92/0x1cc0
Code: e9 6a f8 ff ff e8 1e ef 62 fe 48 c7 c7 a0 0b 0c 8c 48 c7 c6 99 07 0c 8c ba 97 02 00 00 48 c7 c1 c0 0c 0c 8c e8 ff f7 c4 fd 90 <0f> 0b e8 f7 ee 62 fe 48 c7 c7 80 0d 0c 8c e8 eb f7 c4 fd 48 c7 c7
RSP: 0018:ffffc9000827efe0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: c2e0b8da3025a600
RDX: ffffc900216e2000 RSI: 000000000000571f RDI: 0000000000005720
RBP: ffffc9000827f108 R08: ffffc9000827ed67 R09: 1ffff9200104fdac
R10: dffffc0000000000 R11: fffff5200104fdad R12: 1ffff92000593400
R13: ffffc90002c9a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3f34e926c0(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3f34e91ff8 CR3: 0000000118450000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40
 txCommit+0x869/0x5410
 jfs_commit_inode+0x2ef/0x530
 extAlloc+0xc95/0x1020
 jfs_get_block+0x358/0xad0
 __block_write_begin_int+0x6c6/0x1910
 block_write_begin+0x8d/0x120
 jfs_write_begin+0x35/0x80
 generic_perform_write+0x2e2/0x8f0
 generic_file_write_iter+0x14a/0x680
 vfs_write+0x61d/0xb90
 ksys_write+0x150/0x270
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3f33f9cdd9
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:00007f3f34e92028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3f34216180 RCX: 00007f3f33f9cdd9
RDX: 000000000208e24b RSI: 0000200000000000 RDI: 0000000000000009
RBP: 00007f3f34032d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3f34216218 R14: 00007f3f34216180 R15: 00007ffc4ab55218
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0
Code: e9 6a f8 ff ff e8 1e ef 62 fe 48 c7 c7 a0 0b 0c 8c 48 c7 c6 99 07 0c 8c ba 97 02 00 00 48 c7 c1 c0 0c 0c 8c e8 ff f7 c4 fd 90 <0f> 0b e8 f7 ee 62 fe 48 c7 c7 80 0d 0c 8c e8 eb f7 c4 fd 48 c7 c7
RSP: 0018:ffffc9000827efe0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: c2e0b8da3025a600
RDX: ffffc900216e2000 RSI: 000000000000571f RDI: 0000000000005720
RBP: ffffc9000827f108 R08: ffffc9000827ed67 R09: 1ffff9200104fdac
R10: dffffc0000000000 R11: fffff5200104fdad R12: 1ffff92000593400
R13: ffffc90002c9a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3f34e926c0(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3f34e91ff8 CR3: 0000000118450000 CR4: 00000000000006f0
