ci2 starts bisection 2023-01-28 12:32:39.467442594 +0000 UTC m=+427450.448026005 bisecting fixing commit since ab290eaddc4c41b237b9a366fa6a5527be890b84 building syzkaller on 5bb7001449cd1dae6cbff2d660374d6d17cbd2c4 ensuring issue is reproducible on original commit ab290eaddc4c41b237b9a366fa6a5527be890b84 testing commit ab290eaddc4c41b237b9a366fa6a5527be890b84 gcc compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: df7d726c37a1c008780d4f7acdb30d7fa25fdfd618a823e42e44cca5329eaa0b all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs testing current HEAD 5af6ce7049365952f7f023155234fe091693ead1 testing commit 5af6ce7049365952f7f023155234fe091693ead1 gcc compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d4a72578ed6b26203645e4b0eb80b832b64284d5aee12b4a080e62ebca2187af all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs revisions tested: 2, total time: 44m52.999678522s (build: 34m35.845774783s, test: 7m4.931150855s) the crash still happens on HEAD commit msg: Merge tag '6.2-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 crash: UBSAN: shift-out-of-bounds in jfs_statfs loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/super.c:140:14 shift exponent 1749508610 is too large for 64-bit type 's64' (aka 'long long') CPU: 0 PID: 5613 Comm: syz-executor.0 Not tainted 6.2.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x12a/0x1c0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x222/0x250 lib/ubsan.c:321 jfs_statfs+0x4bf/0x4d0 fs/jfs/super.c:140 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x124/0x2f0 fs/statfs.c:90 user_statfs fs/statfs.c:105 [inline] __do_sys_statfs fs/statfs.c:195 [inline] __se_sys_statfs fs/statfs.c:192 [inline] __x64_sys_statfs+0x105/0x1c0 fs/statfs.c:192 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f183888b639 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:00007f1839579168 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 RAX: ffffffffffffffda RBX: 00007f18389abf80 RCX: 00007f183888b639 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020004c80 RBP: 00007f18388e6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffff106f5bf R14: 00007f1839579300 R15: 0000000000022000 ================================================================================