UBSAN: array-index-out-of-bounds in dbFindLeaf

Title	Replies (including bot)	Last reply
[syzbot] UBSAN: array-index-out-of-bounds in dbFindLeaf	0 (2)	2023/01/02 05:28

Title

Replies (including bot)

Last reply

[syzbot] UBSAN: array-index-out-of-bounds in dbFindLeaf

0 (2)

2023/01/02 05:28


Created	Duration	User	Repo	Result
2023/05/28 00:23	1h10m	bisect fix	upstream	job log (0) log
2023/04/04 03:00	45m	bisect fix	upstream	job log (0) log
2023/03/05 02:16	43m	bisect fix	upstream	job log (0) log
2023/02/03 01:16	59m	bisect fix	upstream	job log (0) log

loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2941:16 index 1381 is out of range for type 's8 [1365]' CPU: 0 PID: 5067 Comm: syz-executor239 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xe0/0x110 lib/ubsan.c:282 dbFindLeaf+0x30a/0x440 fs/jfs/jfs_dmap.c:2941 dbAllocDmapLev+0xa9/0x420 fs/jfs/jfs_dmap.c:1952 dbAllocCtl+0x113/0x970 fs/jfs/jfs_dmap.c:1808 dbAllocAG+0x28b/0x1100 fs/jfs/jfs_dmap.c:1349 dbAlloc+0x661/0xc90 fs/jfs/jfs_dmap.c:873 dtSplitUp fs/jfs/jfs_dtree.c:974 [inline] dtInsert+0xc0e/0x6b80 fs/jfs/jfs_dtree.c:863 jfs_mkdir+0x757/0xb00 fs/jfs/namei.c:270 vfs_mkdir+0x3b3/0x590 fs/namei.c:4036 do_mkdirat+0x25b/0x530 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4074 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2ba532cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd3c83968 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ba532cb29 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f2ba52ec130 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ba52ec1c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ================================================================================

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets	Manager	Title
2023/01/02 05:27	upstream	e4cf7c25bae5	ab32d508	.config	strace log	report	syz	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-upstream-fs	UBSAN: array-index-out-of-bounds in dbFindLeaf
2023/04/23 05:52	upstream	2caeeb9d4a1b	2b32bd34	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-upstream-fs	UBSAN: array-index-out-of-bounds in dbFindLeaf
2022/10/29 04:50	upstream	b229b6ca5abb	ea12ae9b	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-kasan-gce-root	UBSAN: array-index-out-of-bounds in dbFindLeaf

Crashes (3):