loop0: detected capacity change from 0 to 32768
netlink: 'syz.0.0': attribute type 10 has an invalid length.
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
bond0: (slave bridge0): Enslaving as an active interface with an up link
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
BUG at fs/jfs/jfs_txnmgr.c:663 assert(last)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:663!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 1e f5 62 fe 48 c7 c7 20 0e 0c 8c 48 c7 c6 19 0a 0c 8c ba 97 02 00 00 48 c7 c1 40 0f 0c 8c e8 0f d7 c4 fd 90 <0f> 0b e8 f7 f4 62 fe 48 c7 c7 00 10 0c 8c e8 fb d6 c4 fd 48 c7 c7
RSP: 0018:ffffc90005c5ee20 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 03d24a0194e9b700
RDX: ffffc90020001000 RSI: 000000000000522f RDI: 0000000000005230
RBP: ffffc90005c5ef48 R08: ffffc90005c5eba7 R09: 1ffff92000b8bd74
R10: dffffc0000000000 R11: fffff52000b8bd75 R12: 1ffff92000202c00
R13: ffffc90001016000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb38644f6c0(0000) GS:ffff88808c81a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000043fe0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x869/0x5410 fs/jfs/jfs_txnmgr.c:1257
 jfs_commit_inode+0x2ef/0x530 fs/jfs/inode.c:114
 extAlloc+0xc95/0x1020 fs/jfs/jfs_extent.c:177
 jfs_get_block+0x358/0xad0 fs/jfs/inode.c:254
 __block_write_begin_int+0x6c6/0x1910 fs/buffer.c:2035
 block_write_begin+0x8d/0x120 fs/buffer.c:2146
 jfs_write_begin+0x35/0x80 fs/jfs/inode.c:306
 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4324
 __generic_file_write_iter+0x1ae/0x230 mm/filemap.c:4438
 generic_file_write_iter+0x14a/0x680 mm/filemap.c:4467
 do_iter_readv_writev+0x619/0x8c0 fs/read_write.c:-1
 vfs_writev+0x33c/0x990 fs/read_write.c:1059
 do_pwritev fs/read_write.c:1155 [inline]
 __do_sys_pwritev2 fs/read_write.c:1213 [inline]
 __se_sys_pwritev2+0x184/0x2a0 fs/read_write.c:1204
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb38559c819
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:00007fb38644efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fb385815fa0 RCX: 00007fb38559c819
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 000000000000000c
RBP: 00007fb385632c91 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb385816038 R14: 00007fb385815fa0 R15: 00007ffe376b5808
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 1e f5 62 fe 48 c7 c7 20 0e 0c 8c 48 c7 c6 19 0a 0c 8c ba 97 02 00 00 48 c7 c1 40 0f 0c 8c e8 0f d7 c4 fd 90 <0f> 0b e8 f7 f4 62 fe 48 c7 c7 00 10 0c 8c e8 fb d6 c4 fd 48 c7 c7
RSP: 0018:ffffc90005c5ee20 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 03d24a0194e9b700
RDX: ffffc90020001000 RSI: 000000000000522f RDI: 0000000000005230
RBP: ffffc90005c5ef48 R08: ffffc90005c5eba7 R09: 1ffff92000b8bd74
R10: dffffc0000000000 R11: fffff52000b8bd75 R12: 1ffff92000202c00
R13: ffffc90001016000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb38644f6c0(0000) GS:ffff88808c81a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634e68f8758 CR3: 0000000043fe0000 CR4: 0000000000352ef0