EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /root/syzkaller-testdir349981009/syzkaller.kwaej3/1935/file1 supports timestamps until 2038 (0x7fffffff) ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3331! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26458 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller-00169-g39385f756876 #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:3331 [inline] RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162 Code: c4 ff e9 b5 fb ff ff e8 ca 56 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 b6 56 7e ff e9 51 f7 ff ff e8 ac 56 7e ff <0f> 0b e8 45 41 f8 02 e8 a0 56 7e ff 0f 0b e8 99 56 7e ff 0f 0b e8 RSP: 0018:ffffc9000e20ec80 EFLAGS: 00010287 RAX: ffffffff81f68dd4 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90004c29000 RSI: 000000000000037d RDI: 000000000000037e RBP: ffffc9000e20ed90 R08: ffffffff81f6810b R09: ffffed10217aeb7b R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102197c679 R13: 0000000000000001 R14: 1ffff92001c41da0 R15: ffff88810cbe33c8 FS: 00007f50a2759700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000402 CR3: 0000000110e53000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_regular_allocator+0x24c/0x3610 fs/ext4/mballoc.c:2614 ext4_mb_new_blocks+0xfd3/0x48f0 fs/ext4/mballoc.c:5611 ext4_ext_map_blocks+0x19ca/0x71e0 fs/ext4/extents.c:4287 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651 ext4_alloc_file_blocks+0x3d5/0xcd0 fs/ext4/extents.c:4471 ext4_zero_range+0x7e2/0xcf0 fs/ext4/extents.c:4624 ext4_fallocate+0x5e1/0x1e90 fs/ext4/extents.c:4723 vfs_fallocate+0x492/0x570 fs/open.c:324 do_vfs_ioctl+0x2150/0x29a0 fs/ioctl.c:849 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl+0x99/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 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: 0033:0x7f50a1a8c389 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:00007f50a2759168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f50a1babf80 RCX: 00007f50a1a8c389 RDX: 0000000020000080 RSI: 0000000040305839 RDI: 0000000000000004 RBP: 00007f50a1ad7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9a1ee0cf R14: 00007f50a2759300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline] RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162 Code: c4 ff e9 b5 fb ff ff e8 ca 56 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 b6 56 7e ff e9 51 f7 ff ff e8 ac 56 7e ff <0f> 0b e8 45 41 f8 02 e8 a0 56 7e ff 0f 0b e8 99 56 7e ff 0f 0b e8 RSP: 0018:ffffc9000e20ec80 EFLAGS: 00010287 RAX: ffffffff81f68dd4 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90004c29000 RSI: 000000000000037d RDI: 000000000000037e RBP: ffffc9000e20ed90 R08: ffffffff81f6810b R09: ffffed10217aeb7b R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102197c679 R13: 0000000000000001 R14: 1ffff92001c41da0 R15: ffff88810cbe33c8 FS: 00007f50a2759700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4723888000 CR3: 0000000110e53000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400