ci starts bisection 2022-11-28 22:04:57.09337549 +0000 UTC m=+37592.383929836 bisecting fixing commit since b229b6ca5abbd63ff40c1396095b1b36b18139c3 building syzkaller on 899d812af3e2fe5f67a21d1d82babcb48f87f97a ensuring issue is reproducible on original commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 testing commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1c0bebc3f00bdee118bb8a81a0a3ede4fecfabfc21bbb65cd8b218644e00069b all runs: crashed: UBSAN: array-index-out-of-bounds in dbDiscardAG testing current HEAD b7b275e60bcd5f89771e865a8239325f86d9927d testing commit b7b275e60bcd5f89771e865a8239325f86d9927d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: af9eaff9d7b6d21e53869d295ad5c0fd9b1534a8ccace90d3d55422339db7f75 all runs: crashed: UBSAN: array-index-out-of-bounds in dbDiscardAG revisions tested: 2, total time: 21m29.182959649s (build: 13m41.632654388s, test: 7m14.425891156s) the crash still happens on HEAD commit msg: Linux 6.1-rc7 crash: UBSAN: array-index-out-of-bounds in dbDiscardAG ERROR: (device loop0): dbDiscardAG: -EIO ERROR: (device loop0): dbAllocAG: allocation request is larger than the allocation group size ERROR: (device loop0): dbDiscardAG: -EIO ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:1567:26 index 128 is out of range for type 's64 [128]' CPU: 1 PID: 4171 Comm: syz-executor.0 Not tainted 6.1.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 ubsan_epilogue+0x5/0x36 lib/ubsan.c:151 __ubsan_handle_out_of_bounds.cold+0x43/0x48 lib/ubsan.c:283 dbDiscardAG+0x670/0x710 fs/jfs/jfs_dmap.c:1567 jfs_ioc_trim+0x329/0x5a0 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2a9/0x370 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc90ec8b5a9 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:00007fc90faa8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc90edabf80 RCX: 00007fc90ec8b5a9 RDX: 0000000020000140 RSI: 00000000c0185879 RDI: 0000000000000003 RBP: 00007fc90ece67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb386b63f R14: 00007fc90faa8300 R15: 0000000000022000 ================================================================================