loop1: detected capacity change from 0 to 32768 BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:528! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6917 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:528 Code: e9 cc fe ff ff e8 31 66 7d fe 48 c7 c7 20 23 c4 8b 48 c7 c6 19 1f c4 8b ba 10 02 00 00 48 c7 c1 60 23 c4 8b e8 22 58 e5 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:ffffc90003ccf2e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: af8b51f5214af600 RDX: ffffc9000f2f4000 RSI: 00000000000039f2 RDI: 00000000000039f3 RBP: ffffc900026b9112 R08: ffffc90003ccf007 R09: 1ffff92000799e00 R10: dffffc0000000000 R11: fffff52000799e01 R12: 1ffff920004d7227 R13: dffffc0000000000 R14: ffffc900026b9138 R15: 0000000000000001 FS: 00007ff5e8fd86c0(0000) GS:ffff888125c12000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffd CR3: 000000005c717000 CR4: 0000000000350ef0 Call Trace: add_missing_indices+0xa00/0xce0 fs/jfs/jfs_dtree.c:2676 jfs_readdir+0x1d8f/0x3ae0 fs/jfs/jfs_dtree.c:3031 wrap_directory_iterator+0x96/0xe0 fs/readdir.c:65 iterate_dir+0x399/0x570 fs/readdir.c:108 get_name fs/exportfs/expfs.c:324 [inline] exportfs_get_name+0x3f9/0x490 fs/exportfs/expfs.c:36 reconnect_one fs/exportfs/expfs.c:140 [inline] reconnect_path+0x23a/0x740 fs/exportfs/expfs.c:220 exportfs_decode_fh_raw+0x304/0x6e0 fs/exportfs/expfs.c:484 do_handle_to_path+0xa4/0x1a0 fs/fhandle.c:270 handle_to_path fs/fhandle.c:394 [inline] do_handle_open+0x682/0x8c0 fs/fhandle.c:409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff5e818eec9 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:00007ff5e8fd8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007ff5e83e6180 RCX: 00007ff5e818eec9 RDX: 0000000000000000 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007ff5e8211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff5e83e6218 R14: 00007ff5e83e6180 R15: 00007fff69157708 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:528 Code: e9 cc fe ff ff e8 31 66 7d fe 48 c7 c7 20 23 c4 8b 48 c7 c6 19 1f c4 8b ba 10 02 00 00 48 c7 c1 60 23 c4 8b e8 22 58 e5 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:ffffc90003ccf2e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: af8b51f5214af600 RDX: ffffc9000f2f4000 RSI: 00000000000039f2 RDI: 00000000000039f3 RBP: ffffc900026b9112 R08: ffffc90003ccf007 R09: 1ffff92000799e00 R10: dffffc0000000000 R11: fffff52000799e01 R12: 1ffff920004d7227 R13: dffffc0000000000 R14: ffffc900026b9138 R15: 0000000000000001 FS: 00007ff5e8fd86c0(0000) GS:ffff888125c12000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffd CR3: 000000005c717000 CR4: 0000000000350ef0