ci starts bisection 2023-06-24 06:19:42.559690687 +0000 UTC m=+344248.221177098
bisecting fixing commit since ad2fd53a7870a395b8564697bef6c329d017c6c9
building syzkaller on 0fbd49f48637cff2f7cf1ab0150e2c4ce8d97527
ensuring issue is reproducible on original commit ad2fd53a7870a395b8564697bef6c329d017c6c9

testing commit ad2fd53a7870a395b8564697bef6c329d017c6c9 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a2325bb5e88a097dfbe76e01002aca63e774b6daccecc82429df637a3997db31
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing current HEAD a92b7d26c743b9dc06d520f863d624e94978a1d9
testing commit a92b7d26c743b9dc06d520f863d624e94978a1d9 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6aee4b4543875f6118e0a3ff6869d439d68a20fdbc9e9db019423a6db6f1f576
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 27m1.126832769s (build: 19m12.118114106s, test: 6m35.653557103s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Merge tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm
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: 1 PID: 5417 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x167/0x220 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x283/0x2b0 lib/ubsan.c:387
 minix_statfs+0x34d/0x360 fs/minix/inode.c:380
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs+0x118/0x280 fs/statfs.c:90
 ovl_check_namelen fs/overlayfs/super.c:919 [inline]
 ovl_get_upper+0x11c/0x520 fs/overlayfs/super.c:1123
 ovl_fill_super+0x124b/0x23a0 fs/overlayfs/super.c:1978
 mount_nodev+0x41/0xc0 fs/super.c:1426
 legacy_get_tree+0xe9/0x170 fs/fs_context.c:610
 vfs_get_tree+0x7f/0x220 fs/super.c:1510
 do_new_mount+0x1e5/0x930 fs/namespace.c:3039
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x232/0x2c0 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8cc288c169
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:00007f8cc3535168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8cc29abf80 RCX: 00007f8cc288c169
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f8cc28e7ca1 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9644ab3f R14: 00007f8cc3535300 R15: 0000000000022000
 </TASK>
================================================================================