loop0: detected capacity change from 0 to 32768 ERROR: (device loop0): xtTruncate: XT_GETPAGE: xtree page corrupt ERROR: (device loop0): remounting filesystem as read-only BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:528! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5057 Comm: syz-executor361 Not tainted 6.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:txEnd+0x556/0x560 fs/jfs/jfs_txnmgr.c:528 Code: fe e9 cd fe ff ff e8 39 a4 77 fe 48 c7 c7 c0 86 a2 8b 48 c7 c6 b9 82 a2 8b ba 10 02 00 00 48 c7 c1 00 87 a2 8b e8 1a 3d 00 08 <0f> 0b 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90003a0f5f0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000001 RCX: c3bf528dd7179f00 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: 1ffff920004bc227 R08: ffffffff8171771c R09: 1ffff92000741e5c R10: dffffc0000000000 R11: fffff52000741e5d R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc900025e1138 R15: 0000000000000110 FS: 0000555556ecc380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd798f3fe8 CR3: 000000007b015000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_truncate_nolock+0x2c6/0x360 fs/jfs/inode.c:391 jfs_truncate+0xcb/0x140 fs/jfs/inode.c:412 jfs_setattr+0x526/0x780 fs/jfs/file.c:119 notify_change+0xb99/0xe60 fs/attr.c:499 do_truncate+0x220/0x300 fs/open.c:66 handle_truncate fs/namei.c:3280 [inline] do_open fs/namei.c:3626 [inline] path_openat+0x29dd/0x3280 fs/namei.c:3779 do_filp_open+0x234/0x490 fs/namei.c:3809 do_sys_openat2+0x13e/0x1d0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_open fs/open.c:1463 [inline] __se_sys_open fs/open.c:1459 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1459 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fc836f5e5b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcb6661bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffcb6661da8 RCX: 00007fc836f5e5b9 RDX: 0000000000000000 RSI: 000000000014527e RDI: 0000000020000040 RBP: 00007fc836fd7610 R08: 0000000000005dea R09: 0000000000000000 R10: 00007ffcb6661a90 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcb6661d98 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x556/0x560 fs/jfs/jfs_txnmgr.c:528 Code: fe e9 cd fe ff ff e8 39 a4 77 fe 48 c7 c7 c0 86 a2 8b 48 c7 c6 b9 82 a2 8b ba 10 02 00 00 48 c7 c1 00 87 a2 8b e8 1a 3d 00 08 <0f> 0b 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90003a0f5f0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 0000000000000001 RCX: c3bf528dd7179f00 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: 1ffff920004bc227 R08: ffffffff8171771c R09: 1ffff92000741e5c R10: dffffc0000000000 R11: fffff52000741e5d R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc900025e1138 R15: 0000000000000110 FS: 0000555556ecc380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd798f3fe8 CR3: 000000007b015000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400