ci2 starts bisection 2023-04-03 16:43:46.370987049 +0000 UTC m=+39838.464144847 bisecting fixing commit since 4bbf3422df78029f03161640dcb1e9d1ed64d1ea building syzkaller on f42ee5d8ac66980335478d9fab2acb20fe03d958 ensuring issue is reproducible on original commit 4bbf3422df78029f03161640dcb1e9d1ed64d1ea testing commit 4bbf3422df78029f03161640dcb1e9d1ed64d1ea gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f0a6e73fc2b258c5ba621fff65bf756423382606aedd3deebbf31e73de283481 run #0: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #1: crashed: UBSAN: array-index-out-of-bounds in xtTruncate run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: UBSAN: array-index-out-of-bounds in xtSearch 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: UBSAN: array-index-out-of-bounds in xtSearch run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #17: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #18: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #19: crashed: UBSAN: array-index-out-of-bounds in xtSearch testing current HEAD 7e364e56293bb98cae1b55fd835f5991c4e96e7d testing commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a4e0502e5235115ec38bab68c75179a96138ba5fbcd70769806976dd3268ae8e run #0: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #1: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #2: crashed: UBSAN: array-index-out-of-bounds in txCommit run #3: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #4: crashed: UBSAN: array-index-out-of-bounds in txCommit run #5: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #6: crashed: UBSAN: array-index-out-of-bounds in xtSearch run #7: crashed: UBSAN: array-index-out-of-bounds in txCommit run #8: crashed: UBSAN: array-index-out-of-bounds in txCommit run #9: crashed: UBSAN: array-index-out-of-bounds in xtTruncate revisions tested: 2, total time: 56m43.839282655s (build: 44m44.442969901s, test: 9m7.902481135s) the crash still happens on HEAD commit msg: Linux 6.3-rc5 crash: UBSAN: array-index-out-of-bounds in xtTruncate loop5: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:2304:9 index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]') CPU: 1 PID: 8427 Comm: syz-executor.5 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 xtTruncate+0x2257/0x2c90 jfs_truncate_nolock+0x18b/0x340 jfs_write_failed+0xf4/0x160 jfs_direct_IO+0x17d/0x1a0 generic_file_direct_write+0x244/0x520 __generic_file_write_iter+0x182/0x340 generic_file_write_iter+0x9d/0x230 do_iter_write+0x63b/0xaa0 iter_file_splice_write+0x770/0xf00 direct_splice_actor+0xe2/0x1a0 splice_direct_to_actor+0x42e/0xa60 do_splice_direct+0x26a/0x3b0 do_sendfile+0x508/0xcd0 __se_sys_sendfile64+0x10b/0x160 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff10a28b639 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:00007ff10b0d5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007ff10a3abf80 RCX: 00007ff10a28b639 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007ff10a2e6a41 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9500282f R14: 00007ff10b0d5300 R15: 0000000000022000 ================================================================================