bisecting fixing commit since 3e732ebf7316ac83e8562db7e64cc68aec390a18
building syzkaller on 975824663d2c65cf7a4d7829fa95f118b675c3be
testing commit 3e732ebf7316ac83e8562db7e64cc68aec390a18
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 938a7d8b3840444df3820c5135a19e20a5b7eba356888eb69e022faeffb09450
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing current HEAD 9be9ed2612b5aedb52a2c240edb1630b6b743cb6
testing commit 9be9ed2612b5aedb52a2c240edb1630b6b743cb6
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 27b8c763d9aae483ad318c315aa60c25a7f4a067a96d296f5c4a34aaf6603c63
all runs: crashed: UBSAN: shift-out-of-bounds in minix_statfs
revisions tested: 2, total time: 18m8.218654269s (build: 12m7.847387048s, test: 5m37.486150009s)
the crash still happens on HEAD
commit msg: Merge tag 'platform-drivers-x86-v5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
crash: UBSAN: shift-out-of-bounds in minix_statfs
loop0: detected capacity change from 0 to 272
================================================================================
UBSAN: shift-out-of-bounds in fs/minix/inode.c:380:57
shift exponent 65510 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 4081 Comm: syz-executor.0 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 ubsan_epilogue+0x5/0x36 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xef lib/ubsan.c:322
 minix_statfs.cold+0x16/0x1f fs/minix/inode.c:380
 statfs_by_dentry+0x11b/0x1e0 fs/statfs.c:66
 vfs_statfs fs/statfs.c:90 [inline]
 fd_statfs+0x41/0xb0 fs/statfs.c:120
 __do_sys_fstatfs+0x6b/0xc0 fs/statfs.c:216
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe1e5a89049
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:00007fe1e6bb2168 EFLAGS: 00000246 ORIG_RAX: 000000000000008a
RAX: ffffffffffffffda RBX: 00007fe1e5b9bf60 RCX: 00007fe1e5a89049
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fe1e5ae308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec916873f R14: 00007fe1e6bb2300 R15: 0000000000022000
 </TASK>
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