ci2 starts bisection 2023-03-07 02:52:07.477723429 +0000 UTC m=+456142.416412750
bisecting fixing commit since c2bf05db6c78f53ca5cd4b48f3b9b71f78d215f1
building syzkaller on e080de16713b9dbf308cdd7bcb85b58293e46e33
ensuring issue is reproducible on original commit c2bf05db6c78f53ca5cd4b48f3b9b71f78d215f1

testing commit c2bf05db6c78f53ca5cd4b48f3b9b71f78d215f1 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 292dfd9571893c455558ba96a1f211367e41e57e15a5ddf8ec9682264e199bfc
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing current HEAD 8ca09d5fa3549d142c2080a72a4c70ce389163cd
testing commit 8ca09d5fa3549d142c2080a72a4c70ce389163cd gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9bfd7c0bd4ceb24d7853fb03cc9d021fbf0793c9e7bb1df09f68e9e48c23bc4b
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
revisions tested: 2, total time: 41m51.812979071s (build: 32m41.454214174s, test: 6m35.249057569s)
the crash still happens on HEAD
commit msg: cpumask: fix incorrect cpumask scanning result checks
crash: UBSAN: shift-out-of-bounds in minix_statfs
loop0: detected capacity change from 0 to 256
================================================================================
UBSAN: shift-out-of-bounds in fs/minix/inode.c:380:57
shift exponent 1792 is too large for 64-bit type 'unsigned long'
CPU: 0 PID: 5620 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x12e/0x1d0
 __ubsan_handle_shift_out_of_bounds+0x223/0x250
 minix_statfs+0x34d/0x360
 vfs_statfs+0x118/0x280
 ovl_get_upper+0x10d/0x510
 ovl_fill_super+0x130f/0x24a0
 mount_nodev+0x41/0xc0
 legacy_get_tree+0xe9/0x170
 vfs_get_tree+0x7f/0x220
 do_new_mount+0x1e5/0x940
 __se_sys_mount+0x20d/0x2a0
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f646b48c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f646c173168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f646b5abf80 RCX: 00007f646b48c0d9
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f646b4e7ae9 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff149369f R14: 00007f646c173300 R15: 0000000000022000
 </TASK>
================================================================================