EXT4-fs (loop2): 1 orphan inode deleted EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue ext4 filesystem being mounted at /root/syzkaller-testdir1695227507/syzkaller.C1HbSz/54/file1 supports timestamps until 2038 (0x7fffffff) ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3247! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15355 Comm: syz-executor.2 Not tainted 5.10.179-syzkaller-00312-g571f442f6752 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline] RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885 Code: 24 30 e9 be fb ff ff e8 66 c0 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 52 c0 89 ff e9 05 f7 ff ff e8 48 c0 89 ff <0f> 0b e8 21 cf c8 02 e8 3c c0 89 ff 0f 0b e8 35 c0 89 ff 0f 0b e8 RSP: 0018:ffffc90001986740 EFLAGS: 00010293 RAX: ffffffff81e0b9e8 RBX: 0000000000000001 RCX: ffff8881001f62c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90001986850 R08: ffffffff81e0acff R09: ffffed10218d6b1e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811a20b3c8 R13: 0000000000000001 R14: 1ffff11023441679 R15: 1ffff92000330cf8 FS: 00007faeffa57700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002003f000 CR3: 00000001609a1000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_regular_allocator+0x249/0x2030 fs/ext4/mballoc.c:2321 ext4_mb_new_blocks+0xfb1/0x4430 fs/ext4/mballoc.c:5038 ext4_ext_map_blocks+0x190e/0x6be0 fs/ext4/extents.c:4281 ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:803 ext4_get_block_unwritten+0x2a/0x40 fs/ext4/inode.c:834 ext4_block_write_begin+0x61e/0x13b0 fs/ext4/inode.c:1087 ext4_write_begin+0x6fa/0x1730 ext4_da_write_begin+0x49d/0xf60 fs/ext4/inode.c:3031 generic_perform_write+0x2cd/0x570 mm/filemap.c:3506 ext4_buffered_write_iter+0x47d/0x610 fs/ext4/file.c:272 ext4_file_write_iter+0x193/0x1ca0 fs/ext4/file.c:689 call_write_iter include/linux/fs.h:1976 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0xb55/0xe70 fs/read_write.c:605 ksys_write+0x199/0x2c0 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7faf00ce4389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007faeffa57168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007faf00e03f80 RCX: 00007faf00ce4389 RDX: 000000000001040c RSI: 0000000020000380 RDI: 0000000000000005 RBP: 00007faf00d2f493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd179c251f R14: 00007faeffa57300 R15: 0000000000022000 Modules linked in: ---[ end trace a7fd314edfa58682 ]--- RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline] RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885 Code: 24 30 e9 be fb ff ff e8 66 c0 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 52 c0 89 ff e9 05 f7 ff ff e8 48 c0 89 ff <0f> 0b e8 21 cf c8 02 e8 3c c0 89 ff 0f 0b e8 35 c0 89 ff 0f 0b e8 RSP: 0018:ffffc90001986740 EFLAGS: 00010293 RAX: ffffffff81e0b9e8 RBX: 0000000000000001 RCX: ffff8881001f62c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90001986850 R08: ffffffff81e0acff R09: ffffed10218d6b1e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811a20b3c8 R13: 0000000000000001 R14: 1ffff11023441679 R15: 1ffff92000330cf8 FS: 00007faeffa57700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c026bd4000 CR3: 00000001609a1000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400