ci2 starts bisection 2023-03-22 03:52:27.37575851 +0000 UTC m=+39534.464532535 bisecting fixing commit since 493ffd6605b2d3d4dc7008ab927dba319f36671f building syzkaller on a0fd4dab4eac71d7b3237bb1000352206a6a82f5 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: 722a1527d41b746e2572fec1a25c373ec347588e36a372f38bb3d23bdf48eba7 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe 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 diWrite run #3: crashed: UBSAN: array-index-out-of-bounds in diWrite run #4: crashed: UBSAN: array-index-out-of-bounds in diWrite run #5: crashed: UBSAN: array-index-out-of-bounds in diWrite run #6: crashed: UBSAN: array-index-out-of-bounds in diWrite run #7: crashed: UBSAN: array-index-out-of-bounds in diWrite run #8: crashed: UBSAN: array-index-out-of-bounds in diWrite run #9: crashed: UBSAN: array-index-out-of-bounds in diWrite run #10: crashed: UBSAN: array-index-out-of-bounds in diWrite run #11: crashed: UBSAN: array-index-out-of-bounds in diWrite run #12: crashed: UBSAN: array-index-out-of-bounds in diWrite run #13: crashed: UBSAN: array-index-out-of-bounds in diWrite run #14: crashed: UBSAN: array-index-out-of-bounds in diWrite run #15: crashed: UBSAN: array-index-out-of-bounds in diWrite run #16: crashed: UBSAN: array-index-out-of-bounds in diWrite run #17: crashed: UBSAN: array-index-out-of-bounds in diWrite run #18: crashed: UBSAN: array-index-out-of-bounds in diWrite run #19: crashed: UBSAN: array-index-out-of-bounds in diWrite testing current HEAD a1effab7a3a35a837dd9d2b974a1bc4939df1ad5 testing commit a1effab7a3a35a837dd9d2b974a1bc4939df1ad5 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9944ac258a8c2d1f699acc5824db0df2a3478da8c9c58a6aecf7313da2fa1d0c all runs: crashed: UBSAN: array-index-out-of-bounds in diWrite revisions tested: 2, total time: 36m50.484800349s (build: 26m48.286554774s, test: 7m6.289827057s) the crash still happens on HEAD commit msg: Merge tag 'vfio-v6.3-rc4' of https://github.com/awilliam/linux-vfio crash: UBSAN: array-index-out-of-bounds in diWrite loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:749:4 index 255 is out of range for type 'struct dtslot[128]' CPU: 1 PID: 5617 Comm: syz-executor.0 Not tainted 6.3.0-rc3-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 diWrite+0x1116/0x1b10 txCommit+0x43d/0x73e0 jfs_mkdir+0x75c/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: 0033:0x7efe69c8b5a9 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:00007efe693fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007efe69dabf80 RCX: 00007efe69c8b5a9 RDX: 00000000000001ff RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007efe69ce6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8c28833f R14: 00007efe693fe300 R15: 0000000000022000 ================================================================================