ci2 starts bisection 2023-01-21 01:55:35.613870618 +0000 UTC m=+4702.462511089
bisecting fixing commit since 493ffd6605b2d3d4dc7008ab927dba319f36671f
building syzkaller on a0fd4dab4eac71d7b3237bb1000352206a6a82f5
ensuring issue is reproducible on original commit 493ffd6605b2d3d4dc7008ab927dba319f36671f

testing commit 493ffd6605b2d3d4dc7008ab927dba319f36671f gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2739abac8ba12994b5e6145fee9afaadec3de408e38bc2a68beb6e90cbbf9976
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #2: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #3: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #4: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #5: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #6: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #7: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #8: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #9: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #10: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #11: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #12: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #13: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #14: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #15: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #16: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #17: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #18: crashed: UBSAN: array-index-out-of-bounds in diWrite
run #19: crashed: UBSAN: array-index-out-of-bounds in diWrite
testing current HEAD f883675bf6522b52cd75dc3de791680375961769
testing commit f883675bf6522b52cd75dc3de791680375961769 gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 181f0e0707a4c2b4cc2407d87ae1fa56d6fdc765696868e0d6a86ffe129df82e
all runs: crashed: UBSAN: array-index-out-of-bounds in diWrite
revisions tested: 2, total time: 42m51.821742765s (build: 34m27.931600035s, test: 6m40.773906709s)
the crash still happens on HEAD
commit msg: Merge tag 'gpio-fixes-for-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
crash: UBSAN: array-index-out-of-bounds in diWrite
loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:749:4
index 255 is out of range for type 'struct dtslot [128]'
CPU: 1 PID: 5575 Comm: syz-executor.0 Not tainted 6.2.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x12a/0x1c0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xaf/0xe0 lib/ubsan.c:282
 diWrite+0x10f6/0x1c50 fs/jfs/jfs_imap.c:749
 txCommit+0x45a/0x7820 fs/jfs/jfs_txnmgr.c:1250
 jfs_mkdir+0x754/0x950 fs/jfs/namei.c:290
 vfs_mkdir+0x2d3/0x460 fs/namei.c:4036
 do_mkdirat+0x20b/0x480 fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __x64_sys_mkdirat+0x80/0x90 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: 0033:0x7f619848b5a9
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:00007f61996e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f61985abf80 RCX: 00007f619848b5a9
RDX: 00000000000001ff RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f61984e6580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd59157daf R14: 00007f61996e5300 R15: 0000000000022000
 </TASK>
================================================================================