md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+
BUG at fs/jfs/jfs_dmap.c:3070 assert(n < 4)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3070!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5326 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:dbFindLeaf+0x519/0x520 fs/jfs/jfs_dmap.c:3070
Code: e9 4e ff ff ff e8 37 c5 55 fe 48 c7 c7 60 f8 4d 8c 48 c7 c6 a0 f5 4d 8c ba fe 0b 00 00 48 c7 c1 80 03 4e 8c e8 d8 63 b5 fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000e547ab0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 611dcf6d67b88400
RDX: ffffc90020802000 RSI: 000000000000175f RDI: 0000000000001760
RBP: 0000000000000003 R08: ffffc9000e547827 R09: 1ffff92001ca8f04
R10: dffffc0000000000 R11: fffff52001ca8f05 R12: 000000000000000a
R13: 0000000000000005 R14: 0000000000000008 R15: 0000000000000155
FS:  00007f75a63f56c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005652af23a7d0 CR3: 0000000013201000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dbAllocDmapLev+0x60/0x3b0 fs/jfs/jfs_dmap.c:2056
 dbAllocCtl+0x145/0x990 fs/jfs/jfs_dmap.c:1912
 dbAllocAG+0xbbd/0xf80 fs/jfs/jfs_dmap.c:1559
 dbDiscardAG+0x2d6/0x8f0 fs/jfs/jfs_dmap.c:1695
 jfs_ioc_trim+0x436/0x680 fs/jfs/jfs_discard.c:106
 jfs_ioctl+0x28e/0x3b0 fs/jfs/ioctl.c:131
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f75a9f9e559
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:00007f75a63f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f75aa226090 RCX: 00007f75a9f9e559
RDX: 0000200000000e00 RSI: 00000000c0185879 RDI: 0000000000000009
RBP: 00007f75aa035ad8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f75aa226128 R14: 00007f75aa226090 R15: 00007ffc2036c8d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindLeaf+0x519/0x520 fs/jfs/jfs_dmap.c:3070
Code: e9 4e ff ff ff e8 37 c5 55 fe 48 c7 c7 60 f8 4d 8c 48 c7 c6 a0 f5 4d 8c ba fe 0b 00 00 48 c7 c1 80 03 4e 8c e8 d8 63 b5 fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000e547ab0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 611dcf6d67b88400
RDX: ffffc90020802000 RSI: 000000000000175f RDI: 0000000000001760
RBP: 0000000000000003 R08: ffffc9000e547827 R09: 1ffff92001ca8f04
R10: dffffc0000000000 R11: fffff52001ca8f05 R12: 000000000000000a
R13: 0000000000000005 R14: 0000000000000008 R15: 0000000000000155
FS:  00007f75a63f56c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005652af23a7d0 CR3: 0000000013201000 CR4: 0000000000352ef0