add_index: next_index = 0. Resetting! 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 NOPTI CPU: 0 UID: 0 PID: 5326 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~bpo12+1 04/01/2014 RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529 Code: e9 cc fe ff ff e8 71 2f 77 fe 48 c7 c7 e0 bd a4 8b 48 c7 c6 d9 b9 a4 8b ba 11 02 00 00 48 c7 c1 20 be a4 8b e8 02 ab de 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:ffffc9000f6778e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: 07be8035338d4c00 RDX: ffffc9000e59b000 RSI: 0000000000000926 RDI: 0000000000000927 RBP: ffffc90001399112 R08: ffff88801fe24293 R09: 1ffff11003fc4852 R10: dffffc0000000000 R11: ffffed1003fc4853 R12: 1ffff92000273227 R13: dffffc0000000000 R14: ffffc90001399138 R15: 0000000000000001 FS: 00007f25315556c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc53402000 CR3: 000000003ee27000 CR4: 0000000000352ef0 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 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64+0xe4/0x260 fs/readdir.c:396 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f253078f6c9 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:00007f2531555038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f25309e6090 RCX: 00007f253078f6c9 RDX: 0000000000001000 RSI: 0000200000000f80 RDI: 0000000000000004 RBP: 00007f2530811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f25309e6128 R14: 00007f25309e6090 R15: 00007ffd9f4160c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529 Code: e9 cc fe ff ff e8 71 2f 77 fe 48 c7 c7 e0 bd a4 8b 48 c7 c6 d9 b9 a4 8b ba 11 02 00 00 48 c7 c1 20 be a4 8b e8 02 ab de 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:ffffc9000f6778e0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000000 RCX: 07be8035338d4c00 RDX: ffffc9000e59b000 RSI: 0000000000000926 RDI: 0000000000000927 RBP: ffffc90001399112 R08: ffff88801fe24293 R09: 1ffff11003fc4852 R10: dffffc0000000000 R11: ffffed1003fc4853 R12: 1ffff92000273227 R13: dffffc0000000000 R14: ffffc90001399138 R15: 0000000000000001 FS: 00007f25315556c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc53402000 CR3: 000000003ee27000 CR4: 0000000000352ef0