ci2 starts bisection 2023-06-09 23:50:28.498922874 +0000 UTC m=+32984.709395866 bisecting fixing commit since c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d ensuring issue is reproducible on original commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 205e0ddc661e06ce1871044584b5d340e5055576c51665b54eec1618e352f153 all runs: crashed: UBSAN: shift-out-of-bounds in parse_options testing current HEAD 19c0ed55a470d1cd766484abab04871b648560fb testing commit 19c0ed55a470d1cd766484abab04871b648560fb gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2e85da4f9ed975a269a5fdc5fcf6c21d40e428a262de16e5ce1efb97cd505de0 all runs: crashed: UBSAN: shift-out-of-bounds in parse_options crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 16m46.418461744s (build: 9m49.974853233s, test: 6m8.745897995s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge 5.15.106 into android13-5.15-lts crash: UBSAN: shift-out-of-bounds in parse_options loop3: detected capacity change from 0 to 2048 ================================================================================ UBSAN: shift-out-of-bounds in fs/ext4/super.c:2491:15 shift exponent 149664 is too large for 32-bit type 'int' CPU: 1 PID: 1353 Comm: syz-executor.3 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106 dump_stack+0x10/0x12 lib/dump_stack.c:113 ubsan_epilogue+0x9/0x32 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xef lib/ubsan.c:321 parse_options.cold+0x19/0x24 fs/ext4/super.c:2491 ext4_fill_super+0x17d2/0xb6c0 fs/ext4/super.c:4167 mount_bdev+0x2bf/0x3a0 fs/super.c:1378 ext4_mount+0x10/0x20 fs/ext4/super.c:6567 legacy_get_tree+0xf5/0x1d0 fs/fs_context.c:610 vfs_get_tree+0x7f/0x2b0 fs/super.c:1508 do_new_mount fs/namespace.c:2994 [inline] path_mount+0x475/0x1d70 fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __x64_sys_mount+0x20e/0x280 fs/namespace.c:3522 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+0x61/0xcb RIP: 0033:0x7ff9be87e5fa Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007ff9be3eff88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000748 RCX: 00007ff9be87e5fa RDX: 0000000020000740 RSI: 0000000020000100 RDI: 00007ff9be3effe0 RBP: 00007ff9be3f0020 R08: 00007ff9be3f0020 R09: 0000000000804810 R10: 0000000000804810 R11: 0000000000000246 R12: 0000000020000740 R13: 0000000020000100 R14: 00007ff9be3effe0 R15: 0000000020000200 ================================================================================ EXT4-fs (loop3): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE EXT4-fs (loop3): Encoding requested by superblock is unknown