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] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5368 Comm: syz-executor.0 Not tainted 6.10.0-rc1-syzkaller-g4a4be1ad3a6e #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:txEnd+0x583/0x5a0 fs/jfs/jfs_txnmgr.c:528 Code: e9 59 fb ff ff e8 0d a8 82 fe 48 c7 c1 40 f9 6a 8b ba 10 02 00 00 48 c7 c6 c0 f3 6a 8b 48 c7 c7 00 f4 6a 8b e8 be 16 63 fe 90 <0f> 0b 48 89 ef e8 f3 7b de fe e9 40 fd ff ff e8 b9 7b de fe e9 2e RSP: 0018:ffffc9000388f818 EFLAGS: 00010282 RAX: 0000000000000036 RBX: ffffc900028d1110 RCX: ffffffff816e5959 RDX: 0000000000000000 RSI: ffffffff816ee6a6 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000005 R12: ffff888035456800 R13: 0000000000000001 R14: ffffffff8e150980 R15: ffffc900028d1112 FS: 00007f6674a3a6c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b43705095 CR3: 0000000041ff6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_truncate_nolock+0x1f5/0x2f0 fs/jfs/inode.c:391 jfs_truncate+0xeb/0x170 fs/jfs/inode.c:412 jfs_setattr+0x2ce/0x770 fs/jfs/file.c:119 notify_change+0x742/0x11f0 fs/attr.c:497 do_truncate+0x15c/0x220 fs/open.c:65 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3654 [inline] path_openat+0x2505/0x29f0 fs/namei.c:3807 do_filp_open+0x1dc/0x430 fs/namei.c:3834 do_sys_openat2+0x17a/0x1e0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_open fs/open.c:1428 [inline] __se_sys_open fs/open.c:1424 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1424 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6673c7cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6674a3a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f6673dabf80 RCX: 00007f6673c7cee9 RDX: 0000000000000000 RSI: 000000000014527e RDI: 0000000020000040 RBP: 00007f6673cc949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6673dabf80 R15: 00007fff80b62378 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x583/0x5a0 fs/jfs/jfs_txnmgr.c:528 Code: e9 59 fb ff ff e8 0d a8 82 fe 48 c7 c1 40 f9 6a 8b ba 10 02 00 00 48 c7 c6 c0 f3 6a 8b 48 c7 c7 00 f4 6a 8b e8 be 16 63 fe 90 <0f> 0b 48 89 ef e8 f3 7b de fe e9 40 fd ff ff e8 b9 7b de fe e9 2e RSP: 0018:ffffc9000388f818 EFLAGS: 00010282 RAX: 0000000000000036 RBX: ffffc900028d1110 RCX: ffffffff816e5959 RDX: 0000000000000000 RSI: ffffffff816ee6a6 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000005 R12: ffff888035456800 R13: 0000000000000001 R14: ffffffff8e150980 R15: ffffc900028d1112 FS: 00007f6674a3a6c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b43705095 CR3: 0000000041ff6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400