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kernel BUG at fs/jfs/jfs_dmap.c:2977!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 PID: 5191 Comm: syz-executor397 Not tainted 6.9.0-syzkaller-00868-g6d1346f1bcbf #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:dbFindLeaf+0x1e2/0x2d0 fs/jfs/jfs_dmap.c:2977
Code: c3 cc cc cc cc e8 ce 6e 86 fe 48 c7 c1 80 6f 6a 8b ba a1 0b 00 00 48 c7 c6 80 6d 6a 8b 48 c7 c7 00 6e 6a 8b e8 1f 12 67 fe 90 <0f> 0b e8 a7 6e 86 fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01
RSP: 0018:ffffc90003257a60 EFLAGS: 00010282
RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff816e81e9
RDX: 0000000000000000 RSI: ffffffff816f0f26 RDI: 0000000000000005
RBP: ffff88801929e010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 000000000000005e R12: 000000000000000a
R13: 0000000000000155 R14: 0000000000000020 R15: 00000000ffffffff
FS:  000055556ecd3380(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cb3dff000 CR3: 0000000025178000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0xac/0x2f0 fs/jfs/jfs_dmap.c:1967
 dbAllocCtl+0x12c/0x7b0 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x8c9/0xd30 fs/jfs/jfs_dmap.c:1364
 dbDiscardAG+0x23a/0x790 fs/jfs/jfs_dmap.c:1613
 jfs_ioc_trim+0x406/0x5c0 fs/jfs/jfs_discard.c:100
 jfs_ioctl+0x343/0x440 fs/jfs/ioctl.c:131
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl fs/ioctl.c:890 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3cbb406739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd56ed5c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd56ed5e68 RCX: 00007f3cbb406739
RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000004
RBP: 00007f3cbb47f610 R08: 0000000000000000 R09: 00007ffd56ed5e68
R10: 00007f3cbb441af3 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd56ed5e58 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindLeaf+0x1e2/0x2d0 fs/jfs/jfs_dmap.c:2977
Code: c3 cc cc cc cc e8 ce 6e 86 fe 48 c7 c1 80 6f 6a 8b ba a1 0b 00 00 48 c7 c6 80 6d 6a 8b 48 c7 c7 00 6e 6a 8b e8 1f 12 67 fe 90 <0f> 0b e8 a7 6e 86 fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01
RSP: 0018:ffffc90003257a60 EFLAGS: 00010282
RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff816e81e9
RDX: 0000000000000000 RSI: ffffffff816f0f26 RDI: 0000000000000005
RBP: ffff88801929e010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 000000000000005e R12: 000000000000000a
R13: 0000000000000155 R14: 0000000000000020 R15: 00000000ffffffff
FS:  000055556ecd3380(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cb3dff000 CR3: 0000000025178000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400