read_mapping_page failed! bread failed! 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: 5361 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:528 Code: e9 cc fe ff ff e8 21 18 7c fe 48 c7 c7 20 30 c4 8b 48 c7 c6 19 2c c4 8b ba 10 02 00 00 48 c7 c1 60 30 c4 8b e8 82 f9 e3 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:ffffc9000d48f660 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff888051e36800 RCX: 1461ea1057e0ff00 RDX: ffffc9000f5cc000 RSI: 0000000000001ee2 RDI: 0000000000001ee3 RBP: ffffc90001379442 R08: ffff88801fc24253 R09: 1ffff11003f8484a R10: dffffc0000000000 R11: ffffed1003f8484b R12: 1ffff9200026f28d R13: dffffc0000000000 R14: ffffc90001379468 R15: 0000000000000009 FS: 00007f282e77f6c0(0000) GS:ffff88808d20c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d503232b0 CR3: 000000003fdaf000 CR4: 0000000000352ef0 Call Trace: jfs_truncate_nolock+0x2b6/0x340 fs/jfs/inode.c:393 jfs_truncate+0xce/0x140 fs/jfs/inode.c:414 jfs_setattr+0x4f8/0x760 fs/jfs/file.c:122 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 handle_truncate fs/namei.c:3508 [inline] do_open fs/namei.c:3891 [inline] path_openat+0x306c/0x3830 fs/namei.c:4046 do_filp_open+0x1fa/0x410 fs/namei.c:4073 do_sys_openat2+0x121/0x1c0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_creat fs/open.c:1528 [inline] __se_sys_creat fs/open.c:1522 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1522 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: 0033:0x7f282d98ebe9 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:00007f282e77f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f282dbc6180 RCX: 00007f282d98ebe9 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00002000000000c0 RBP: 00007f282da11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f282dbc6218 R14: 00007f282dbc6180 R15: 00007ffeb20c1808 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:528 Code: e9 cc fe ff ff e8 21 18 7c fe 48 c7 c7 20 30 c4 8b 48 c7 c6 19 2c c4 8b ba 10 02 00 00 48 c7 c1 60 30 c4 8b e8 82 f9 e3 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:ffffc9000d48f660 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff888051e36800 RCX: 1461ea1057e0ff00 RDX: ffffc9000f5cc000 RSI: 0000000000001ee2 RDI: 0000000000001ee3 RBP: ffffc90001379442 R08: ffff88801fc24253 R09: 1ffff11003f8484a R10: dffffc0000000000 R11: ffffed1003f8484b R12: 1ffff9200026f28d R13: dffffc0000000000 R14: ffffc90001379468 R15: 0000000000000009 FS: 00007f282e77f6c0(0000) GS:ffff88808d20c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d503232b0 CR3: 000000003fdaf000 CR4: 0000000000352ef0