ci2 starts bisection 2023-03-31 15:11:32.998555707 +0000 UTC m=+193394.012214698 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 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d7e5c6487ec7ee705b135e380dca0d49a165f6032713b46f5bfa90c76c2768df all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs testing current HEAD 62bad54b26db8bc98e28749cd76b2d890edb4258 testing commit 62bad54b26db8bc98e28749cd76b2d890edb4258 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 018e3426bdd230ab59cd56a53e31a76f37c93470a46570cc52924e73c7aa5819 all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs revisions tested: 2, total time: 39m24.465909147s (build: 30m13.053151704s, test: 6m37.885894901s) the crash still happens on HEAD commit msg: Merge tag 'dma-mapping-6.3-2023-03-31' of git://git.infradead.org/users/hch/dma-mapping 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: 1 PID: 5615 Comm: syz-executor.0 Not tainted 6.3.0-rc4-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_shift_out_of_bounds+0x223/0x250 jfs_statfs+0x4c8/0x4d0 vfs_statfs+0x118/0x280 __x64_sys_statfs+0x100/0x1d0 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa22068b639 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:00007fa22144c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 RAX: ffffffffffffffda RBX: 00007fa2207abf80 RCX: 00007fa22068b639 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020004c80 RBP: 00007fa2206e6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc60b09af R14: 00007fa22144c300 R15: 0000000000022000 ================================================================================