ERROR: (device loop2): txCommit: ERROR: (device loop2): diWrite: ixpxd invalid ERROR: (device loop2): txCommit: ERROR: (device loop2): diRead: i_ino != di_number jfs_lookup: iget failed on inum 32 ERROR: (device loop2): diRead: i_ino != di_number jfs_lookup: iget failed on inum 32 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 PTI CPU: 1 UID: 0 PID: 7017 Comm: syz.2.182 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3036 Code: e8 fd 90 0f 0b e8 d2 d2 81 fe 48 c7 c7 20 ea 24 8b 48 c7 c6 60 e7 24 8b ba dc 0b 00 00 48 c7 c1 20 f2 24 8b e8 53 b3 e8 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:ffffc90006117570 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: cf4c1a93ac81eb00 RDX: ffffc9000d711000 RSI: 0000000000000841 RDI: 0000000000000842 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000c22e51 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007fd6d2d666c0(0000) GS:ffff888126e06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001fc8 CR3: 000000003b2ee000 CR4: 00000000003526f0 Call Trace: dbAllocNear+0x244/0x3d0 fs/jfs/jfs_dmap.c:1243 dbAlloc+0x933/0xba0 fs/jfs/jfs_dmap.c:832 ea_get+0x98b/0x1330 fs/jfs/xattr.c:516 __jfs_setxattr+0x57c/0x1120 fs/jfs/xattr.c:727 jfs_initxattrs+0x18c/0x260 fs/jfs/xattr.c:1040 security_inode_init_security+0x290/0x3d0 security/security.c:1344 jfs_init_security+0x91/0xe0 fs/jfs/xattr.c:1052 jfs_mkdir+0x28d/0xa70 fs/jfs/namei.c:240 vfs_mkdir+0x52d/0x5d0 fs/namei.c:5130 do_mkdirat+0x27a/0x4b0 fs/namei.c:5164 __do_sys_mkdirat fs/namei.c:5186 [inline] __se_sys_mkdirat fs/namei.c:5184 [inline] __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:5184 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd6d4aff749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd6d2d66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fd6d4d55fa0 RCX: 00007fd6d4aff749 RDX: 0000000000000000 RSI: 0000200000000440 RDI: ffffffffffffff9c RBP: 00007fd6d4b83f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd6d4d56038 R14: 00007fd6d4d55fa0 R15: 00007ffca7de4fd8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3036 Code: e8 fd 90 0f 0b e8 d2 d2 81 fe 48 c7 c7 20 ea 24 8b 48 c7 c6 60 e7 24 8b ba dc 0b 00 00 48 c7 c1 20 f2 24 8b e8 53 b3 e8 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:ffffc90006117570 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: cf4c1a93ac81eb00 RDX: ffffc9000d711000 RSI: 0000000000000841 RDI: 0000000000000842 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000c22e51 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007fd6d2d666c0(0000) GS:ffff888126e06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001fc8 CR3: 000000003b2ee000 CR4: 00000000003526f0