ci2 starts bisection 2023-02-25 20:30:24.78191362 +0000 UTC m=+6971.776062903
bisecting fixing commit since 493ffd6605b2d3d4dc7008ab927dba319f36671f
building syzkaller on 4954e4b2cf1e777715d52521afd2d9772d96f160
ensuring issue is reproducible on original commit 493ffd6605b2d3d4dc7008ab927dba319f36671f

testing commit 493ffd6605b2d3d4dc7008ab927dba319f36671f gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c4c19db53cc040850276d29145475ca1fc8fbacfde762c34323804ca8a4bb0f4
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #2: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #3: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #4: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #5: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #6: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #7: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #8: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #9: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #10: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #11: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #12: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #13: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #14: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #15: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #16: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #17: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #18: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #19: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
testing current HEAD cac85e4616b1cf4a90844b952b49b9cbc4562530
testing commit cac85e4616b1cf4a90844b952b49b9cbc4562530 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 45a72b34d6a2e68dea443a7fe65a8895dd61bb0fb60bef6be117544edf65aa51
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 dtSplitRoot
run #2: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #3: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #4: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #5: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #6: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #7: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #8: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
run #9: crashed: UBSAN: array-index-out-of-bounds in dtSplitRoot
revisions tested: 2, total time: 49m10.109291239s (build: 38m45.938582401s, test: 7m8.696247811s)
the crash still happens on HEAD
commit msg: Merge tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio
crash: UBSAN: array-index-out-of-bounds in dtSplitRoot
loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:1971:9
index -2 is out of range for type 'struct dtslot[128]'
CPU: 0 PID: 5598 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x12e/0x1d0
 __ubsan_handle_out_of_bounds+0xac/0xd0
 dtSplitRoot+0x7e0/0x17a0
 dtInsert+0xfed/0x6c80
 jfs_mkdir+0x610/0x970
 vfs_mkdir+0x1fc/0x370
 do_mkdirat+0x24e/0x490
 __x64_sys_mkdirat+0x84/0x90
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff474e8b5a9
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:00007ff475f2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ff474fabf80 RCX: 00007ff474e8b5a9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 00007ff474ee6580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0ba9544f R14: 00007ff475f2f300 R15: 0000000000022000
 </TASK>
================================================================================