ci2 starts bisection 2023-04-17 13:46:07.529287426 +0000 UTC m=+20999.481355657
bisecting fixing commit since 8ed710da2873c2aeb3bb805864a699affaf1d03b
building syzkaller on d88f3abb0873e90df9259d60d5bcd3ad796db6b8
ensuring issue is reproducible on original commit 8ed710da2873c2aeb3bb805864a699affaf1d03b

testing commit 8ed710da2873c2aeb3bb805864a699affaf1d03b gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 944f634fc2362ea39c4a5d175c9a13a06c2d70ca601bb3120096248b75387e52
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: crashed: INFO: rcu detected stall in corrupted
run #15: crashed: UBSAN: array-index-out-of-bounds in xtTruncate
run #16: crashed: UBSAN: array-index-out-of-bounds in xtLookup
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 6a8f57ae2eb07ab39a6f0ccad60c760743051026
testing commit 6a8f57ae2eb07ab39a6f0ccad60c760743051026 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a70065d4ac6a925870b692a9f9deebef45aa94fd1cf42aa897a84cb53e1d08fd
run #0: crashed: UBSAN: array-index-out-of-bounds in xtSearch
run #1: crashed: UBSAN: array-index-out-of-bounds in xtLookup
run #2: crashed: UBSAN: array-index-out-of-bounds in xtTruncate
run #3: crashed: UBSAN: array-index-out-of-bounds in xtSearch
run #4: crashed: UBSAN: array-index-out-of-bounds in xtLookup
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
revisions tested: 2, total time: 1h17m28.508158053s (build: 56m54.945479685s, test: 18m3.871966245s)
the crash still happens on HEAD
commit msg: Linux 6.3-rc7
crash: UBSAN: array-index-out-of-bounds in xtLookup
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:179:9
index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 0 PID: 10637 Comm: syz-executor.2 Not tainted 6.3.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x12e/0x1d0
 __ubsan_handle_out_of_bounds+0xac/0xd0
 xtLookup+0x7de/0x800
 jfs_get_block+0x21e/0xb90
 do_mpage_readpage+0x791/0x18d0
 mpage_readahead+0x387/0x740
 read_pages+0x16b/0x700
 page_cache_ra_unbounded+0x541/0x650
 filemap_get_pages+0x6db/0x1b40
 filemap_read+0x39f/0xd80
 __kernel_read+0x379/0x6f0
 integrity_kernel_read+0xa7/0xf0
 ima_calc_file_hash+0x710/0x1620
 ima_collect_measurement+0x2a4/0x6c0
 process_measurement+0xb8e/0x1520
 ima_file_check+0xd9/0x130
 path_openat+0x24ff/0x2b80
 do_filp_open+0x25f/0x4b0
 do_sys_openat2+0x100/0x420
 __x64_sys_open+0x1ef/0x240
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb59b48c0d9
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:00007fb59339b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fb59b5ac1f0 RCX: 00007fb59b48c0d9
RDX: 0000000000000000 RSI: 0000000000000442 RDI: 0000000020000100
RBP: 00007fb59b4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd00cea5f R14: 00007fb59339b300 R15: 0000000000022000
 </TASK>
================================================================================