BUG at fs/jfs/jfs_txnmgr.c:529 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:529! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 6122 Comm: syz.4.26 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529 Code: e9 cc fe ff ff e8 41 e9 6f fe 48 c7 c7 60 e1 8a 8b 48 c7 c6 59 dd 8a 8b ba 11 02 00 00 48 c7 c1 a0 e1 8a 8b e8 62 c6 d2 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc900056878e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: f447726a37d22200 RDX: ffffc90010681000 RSI: 000000000000030d RDI: 000000000000030e RBP: ffffc900031e1192 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000ad0ecd R12: 1ffff9200063c237 R13: dffffc0000000000 R14: ffffc900031e11b8 R15: 0000000000000001 FS: 00007fa54239d6c0(0000) GS:ffff888126336000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f50dff8 CR3: 0000000037b08000 CR4: 00000000003526f0 Call Trace: add_missing_indices+0x9fd/0xcd0 fs/jfs/jfs_dtree.c:2676 jfs_readdir+0x1e34/0x3c10 fs/jfs/jfs_dtree.c:3031 wrap_directory_iterator+0x99/0xe0 fs/readdir.c:65 iterate_dir+0x3a5/0x580 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:412 [inline] __se_sys_getdents64+0xf1/0x280 fs/readdir.c:397 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa54416c819 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:00007fa54239d028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007fa5443e6090 RCX: 00007fa54416c819 RDX: 0000000000000036 RSI: 0000200000000100 RDI: 000000000000000a RBP: 00007fa544202c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa5443e6128 R14: 00007fa5443e6090 R15: 00007fffa16124a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529 Code: e9 cc fe ff ff e8 41 e9 6f fe 48 c7 c7 60 e1 8a 8b 48 c7 c6 59 dd 8a 8b ba 11 02 00 00 48 c7 c1 a0 e1 8a 8b e8 62 c6 d2 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc900056878e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: f447726a37d22200 RDX: ffffc90010681000 RSI: 000000000000030d RDI: 000000000000030e RBP: ffffc900031e1192 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000ad0ecd R12: 1ffff9200063c237 R13: dffffc0000000000 R14: ffffc900031e11b8 R15: 0000000000000001 FS: 00007fa54239d6c0(0000) GS:ffff888126336000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f763a61da08 CR3: 0000000037b08000 CR4: 00000000003526f0