ci2 starts bisection 2023-02-01 10:25:39.566202083 +0000 UTC m=+1078.319485710
bisecting fixing commit since 0a924817d2ed9396401e0557c6134276d2e26382
building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23
ensuring issue is reproducible on original commit 0a924817d2ed9396401e0557c6134276d2e26382

testing commit 0a924817d2ed9396401e0557c6134276d2e26382 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 550f38dcea348ca98536b7fb6606eb3ea7c9980ceb767322d35386cbbaca4ad7
all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocDmapLev
testing current HEAD c0b67534c95c537f7a506a06b98e5e85d72e2b7d
testing commit c0b67534c95c537f7a506a06b98e5e85d72e2b7d gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5b39486da866f68629a782a3fdf2736f4ff41406fca91016267dfb3b0d91bce7
all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocDmapLev
revisions tested: 2, total time: 50m24.345375175s (build: 35m37.226251245s, test: 6m40.043768978s)
the crash still happens on HEAD
commit msg: Merge tag 'cgroup-for-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
crash: UBSAN: array-index-out-of-bounds in dbAllocDmapLev
loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:1964:6
index -84 is out of range for type 's8 [341]'
CPU: 0 PID: 5602 Comm: syz-executor.0 Not tainted 6.2.0-rc6-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
 dbAllocDmapLev+0x341/0x3a0 fs/jfs/jfs_dmap.c:1964
 dbAllocCtl+0xe5/0x7d0 fs/jfs/jfs_dmap.c:1808
 dbAllocAG+0x208/0x1070 fs/jfs/jfs_dmap.c:1349
 dbAlloc+0x73f/0xa30 fs/jfs/jfs_dmap.c:873
 dtSplitUp fs/jfs/jfs_dtree.c:974 [inline]
 dtInsert+0xbe1/0x6c10 fs/jfs/jfs_dtree.c:863
 jfs_create+0x5de/0x960 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3413 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0xefb/0x27f0 fs/namei.c:3711
 do_filp_open+0x256/0x4a0 fs/namei.c:3741
 do_sys_openat2+0xfc/0x410 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_openat fs/open.c:1342 [inline]
 __se_sys_openat fs/open.c:1337 [inline]
 __x64_sys_openat+0x209/0x250 fs/open.c:1337
 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: 0033:0x7f886e08c0a9
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:00007f886ed7f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f886e1abf80 RCX: 00007f886e08c0a9
RDX: 000000000000275a RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f886e0e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3246614f R14: 00007f886ed7f300 R15: 0000000000022000
 </TASK>
================================================================================