ci2 starts bisection 2023-04-04 03:00:32.041598789 +0000 UTC m=+76844.134756596 bisecting fixing commit since e4cf7c25bae5c3b5089a3c23a897f450149caef2 building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099 ensuring issue is reproducible on original commit e4cf7c25bae5c3b5089a3c23a897f450149caef2 testing commit e4cf7c25bae5c3b5089a3c23a897f450149caef2 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0424ddbe574693c287c3e47c68565c6589049f43303b7f97b3699320c0c7e5b7 all runs: crashed: UBSAN: array-index-out-of-bounds in dbFindLeaf testing current HEAD 148341f0a2f53b5e8808d093333d85170586a15d testing commit 148341f0a2f53b5e8808d093333d85170586a15d gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 871107669a12c94e2481fb1c0761b1088e09aa57d4ce5a5c2fdec53ac1cc5d1b all runs: crashed: UBSAN: array-index-out-of-bounds in dbFindLeaf revisions tested: 2, total time: 45m36.516714329s (build: 37m50.957541577s, test: 6m13.838205731s) the crash still happens on HEAD commit msg: Merge tag 'vfs.misc.fixes.v6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping crash: UBSAN: array-index-out-of-bounds in dbFindLeaf loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2942:16 index 1381 is out of range for type 's8[1365]' (aka 'signed char[1365]') CPU: 0 PID: 5590 Comm: syz-executor.0 Not tainted 6.3.0-rc5-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 dbFindLeaf+0x232/0x3b0 dbAllocDmapLev+0x9e/0x3a0 dbAllocCtl+0xe6/0x7a0 dbAllocAG+0x20b/0x1060 dbAlloc+0x785/0xa70 dtInsert+0xc3d/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: 0033:0x7f95e2c8c0a9 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:00007f95e396e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f95e2dabf80 RCX: 00007f95e2c8c0a9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f95e2ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe389e232f R14: 00007f95e396e300 R15: 0000000000022000 ================================================================================