UBSAN: shift-out-of-bounds in jfs

Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported
UBSAN: shift-out-of-bounds in dbAllocAG jfs	C	error		10	787d	819d

error

787d

819d

Title	Replies (including bot)	Last reply
[syzbot] UBSAN: shift-out-of-bounds in jfs_open	0 (2)	2022/09/27 21:49

================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/file.c:65:20 shift exponent 8205 is too large for 64-bit type '__u64' (aka 'unsigned long long') CPU: 1 PID: 3690 Comm: syz-executor342 Not tainted 6.0.0-rc7-syzkaller-00029-g3800a713b607 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 jfs_open+0x3a2/0x3d0 fs/jfs/file.c:65 do_dentry_open+0x777/0x1180 fs/open.c:880 do_open fs/namei.c:3557 [inline] path_openat+0x25fc/0x2df0 fs/namei.c:3691 do_filp_open+0x264/0x4f0 fs/namei.c:3718 do_sys_openat2+0x124/0x4e0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1340 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: 0033:0x7f2044cd6ed9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2044c4c278 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f2044d624b0 RCX: 00007f2044cd6ed9 RDX: 0000000000161842 RSI: 000000002000c380 RDI: 00000000ffffff9c RBP: 00007f2044d2de4c R08: 00007f2044c4c700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2044d29108 R13: 0030656c69662f2e R14: 00007f2044c4c400 R15: 00007f2044d624b8 </TASK> ================================================================================

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/09/27 21:49	upstream	3800a713b607	10323ddf	.config	console log	report	syz	C			ci2-upstream-fs	UBSAN: shift-out-of-bounds in jfs_open
2022/11/12 19:42	upstream	8f2975c2bb4c	f42ee5d8	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-upstream-fs	UBSAN: shift-out-of-bounds in jfs_open
2022/10/12 21:29	upstream	55be6084c8e0	89b5a509	.config	console log	report			info		ci-upstream-kasan-gce-smack-root	UBSAN: shift-out-of-bounds in jfs_open
2022/10/12 21:12	upstream	493ffd6605b2	16a9c9e0	.config	console log	report			info	[disk image] [vmlinux]	ci2-upstream-fs	UBSAN: shift-out-of-bounds in jfs_open
2022/09/26 16:53	upstream	f76349cf4145	d59ba983	.config	console log	report			info		ci2-upstream-fs	UBSAN: shift-out-of-bounds in jfs_open

Crashes (5):

Assets (help?)