ci2 starts bisection 2023-05-31 07:07:42.108785752 +0000 UTC m=+10366.761138223 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: 7fb222aaade12127026f6e8dff5e5f4a2e8b0bbdceebefe9e685af0987cf0189 all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs testing current HEAD 48b1320a674e1ff5de2fad8606bee38f724594dc testing commit 48b1320a674e1ff5de2fad8606bee38f724594dc gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7b6420f5760537b46c110e6bca9d757c4cd1e0fd7b07f6b299fc74b65c666070 all runs: crashed: UBSAN: shift-out-of-bounds in jfs_statfs crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 38m55.689707234s (build: 31m34.07326645s, test: 6m20.199121425s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'for-6.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 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: 5422 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 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: 0033:0x7f4bade8b639 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:00007f4baeaff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 RAX: ffffffffffffffda RBX: 00007f4badfabf80 RCX: 00007f4bade8b639 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020004c80 RBP: 00007f4badee6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefa1e478f R14: 00007f4baeaff300 R15: 0000000000022000 ================================================================================