ERROR: (device loop0): diWrite: ixpxd invalid ERROR: (device loop0): txCommit: overlayfs: failed to resolve './bus': -2 BUG at fs/jfs/jfs_dmap.c:3036 assert(bitno < 32) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_dmap.c:3036! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5321 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:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3036 Code: d2 fd 90 0f 0b e8 22 f3 6e fe 48 c7 c7 e0 b9 ea 8b 48 c7 c6 20 b7 ea 8b ba dc 0b 00 00 48 c7 c1 20 c2 ea 8b e8 53 1d d2 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 RSP: 0018:ffffc9000e8af4f0 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: 7c28f84d10081b00 RDX: ffffc90021003000 RSI: 0000000000000843 RDI: 0000000000000844 RBP: 00000000ffffffff R08: ffff88801fc247d3 R09: 1ffff11003f848fa R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007fee1ba866c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003c951000 CR4: 0000000000352ef0 Call Trace: dbAllocNear+0x244/0x3d0 fs/jfs/jfs_dmap.c:1243 dbAlloc+0x936/0xba0 fs/jfs/jfs_dmap.c:832 ea_get+0x991/0x1330 fs/jfs/xattr.c:516 __jfs_setxattr+0x5ba/0x1160 fs/jfs/xattr.c:727 __jfs_xattr_set+0xda/0x170 fs/jfs/xattr.c:941 __vfs_setxattr+0x43c/0x480 fs/xattr.c:200 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234 vfs_setxattr+0x16a/0x2e0 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x281/0x630 fs/xattr.c:665 path_setxattrat+0x3f3/0x430 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fee1ab9aeb9 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:00007fee1ba86028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fee1ae16090 RCX: 00007fee1ab9aeb9 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000200000000240 RBP: 00007fee1ac08c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fee1ae16128 R14: 00007fee1ae16090 R15: 00007ffeb18a3288 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3036 Code: d2 fd 90 0f 0b e8 22 f3 6e fe 48 c7 c7 e0 b9 ea 8b 48 c7 c6 20 b7 ea 8b ba dc 0b 00 00 48 c7 c1 20 c2 ea 8b e8 53 1d d2 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 RSP: 0018:ffffc9000e8af4f0 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: 7c28f84d10081b00 RDX: ffffc90021003000 RSI: 0000000000000843 RDI: 0000000000000844 RBP: 00000000ffffffff R08: ffff88801fc247d3 R09: 1ffff11003f848fa R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007fee1ba866c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003c951000 CR4: 0000000000352ef0