ci2 starts bisection 2023-04-02 17:35:37.963042939 +0000 UTC m=+374838.976701940 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 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f207cb4261d23a0d3713cb6a8b1393bcf30c8d94cb9bb69c1eb98d8061b44686 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocDmapLev testing current HEAD 00c7b5f4ddc5b346df62b757ec73f9357bb452af testing commit 00c7b5f4ddc5b346df62b757ec73f9357bb452af gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d61713e04c7d0eb5844ec863da46503cd0fdb79a1afaf1e3eaccd41a26b13056 all runs: crashed: UBSAN: array-index-out-of-bounds in dbAllocDmapLev revisions tested: 2, total time: 40m44.083146583s (build: 32m40.012320197s, test: 6m20.252621009s) the crash still happens on HEAD commit msg: Merge tag 'input-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 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:1965:6 index -84 is out of range for type 's8[341]' (aka 'signed char[341]') CPU: 0 PID: 5619 Comm: syz-executor.0 Not tainted 6.3.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: dump_stack_lvl+0x12e/0x1d0 __ubsan_handle_out_of_bounds+0xac/0xd0 dbAllocDmapLev+0x34b/0x3a0 dbAllocCtl+0xe6/0x7a0 dbAllocAG+0x20b/0x1060 dbAlloc+0x785/0xa70 dtInsert+0xc3d/0x6c80 jfs_create+0x5ec/0x970 path_openat+0xedd/0x2b80 do_filp_open+0x25f/0x4b0 do_sys_openat2+0x100/0x420 __x64_sys_openat+0x20d/0x260 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb836c8c0a9 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:00007fb8379ca168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb836dabf80 RCX: 00007fb836c8c0a9 RDX: 000000000000275a RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007fb836ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcec82840f R14: 00007fb8379ca300 R15: 0000000000022000 ================================================================================