ci2 starts bisection 2023-03-01 16:32:41.788615079 +0000 UTC m=+31961.392777118 bisecting fixing commit since b208b9fbbcba743fb269d15cb46a4036b01936b1 building syzkaller on 6d752409f178135881da3510c910bb11ae1f1381 ensuring issue is reproducible on original commit b208b9fbbcba743fb269d15cb46a4036b01936b1 testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 75cdf5f67d689c0a5ab95e7ae9befc47393f8cbd52885b04f73325f0f5b0af40 all runs: crashed: UBSAN: array-index-out-of-bounds in dbJoin testing current HEAD c0927a7a5391f7d8e593e5e50ead7505a23cadf9 testing commit c0927a7a5391f7d8e593e5e50ead7505a23cadf9 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 32316f1bfabe483e392e4f1e09a2a945ccb3be5e70545600933c8a98701f9011 all runs: crashed: UBSAN: array-index-out-of-bounds in dbJoin revisions tested: 2, total time: 1h8m42.693615139s (build: 57m12.576931425s, test: 6m52.539693215s) the crash still happens on HEAD commit msg: Merge tag 'xfs-6.3-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux crash: UBSAN: array-index-out-of-bounds in dbJoin ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2760:24 index 1426063360 is out of range for type 's8[1365]' (aka 'signed char[1365]') CPU: 0 PID: 104 Comm: jfsCommit Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: dump_stack_lvl+0x12e/0x1d0 __ubsan_handle_out_of_bounds+0xac/0xd0 dbJoin+0x22a/0x260 dbFreeBits+0x75/0xbb0 dbFree+0x2dc/0x540 txFreeMap+0x880/0xcb0 xtTruncate+0xb30/0x2c90 jfs_free_zero_link+0x381/0x5c0 jfs_evict_inode+0x283/0x380 evict+0x262/0x550 txUpdateMap+0x64c/0x910 jfs_lazycommit+0x415/0xa00 kthread+0x232/0x2b0 ret_from_fork+0x1f/0x30 ================================================================================