ext4 filesystem being mounted at /root/syzkaller-testdir3321693283/syzkaller.EsCFzu/305/file1 supports timestamps until 2038 (0x7fffffff)
EXT4-fs error (device loop4): ext4_map_blocks:617: inode #3: block 9: comm syz-executor.4: lblock 0 mapped to illegal pblock 9 (length 1)
EXT4-fs (loop4): Remounting filesystem read-only
Quota error (device loop4): qtree_write_dquot: dquota write failed
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6002 Comm: syz-executor.4 Tainted: G        W         5.4.268-syzkaller-00001-g8322246edffa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc10/0xc50 fs/ext4/mballoc.c:1826
Code: fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 0d fc ff ff 48 89 d7 e8 ff 83 c8 ff 48 8b 54 24 30 e9 fb fb ff ff e8 f0 a0 98 ff <0f> 0b e8 19 59 6f ff e8 e4 a0 98 ff 0f 0b e8 dd a0 98 ff 0f 0b e8
RSP: 0018:ffff8881e0ef7400 EFLAGS: 00010283
RAX: ffffffff81cba630 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90001b4b000 RSI: 0000000000000c24 RDI: 0000000000000c25
RBP: ffff8881e0ef7510 R08: ffffffff81cb9b59 R09: ffffed1039ed0b44
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881d8e613f0 R14: 1ffff1103c1dee90 R15: 1ffff1103b1cc27e
FS:  00007f143d4136c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb9a971988 CR3: 00000001f21ed000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_mb_regular_allocator+0x229/0x10d0 fs/ext4/mballoc.c:2129
 ext4_mb_new_blocks+0x59a/0x2d10 fs/ext4/mballoc.c:4596
 ext4_ext_map_blocks+0x1e70/0x7450 fs/ext4/extents.c:4511
 ext4_map_blocks+0xa2f/0x1ba0 fs/ext4/inode.c:661
 ext4_alloc_file_blocks+0x3b1/0xc20 fs/ext4/extents.c:4700
 ext4_fallocate+0x3b5/0x570 fs/ext4/extents.c:4987
 vfs_fallocate+0x551/0x6b0 fs/open.c:309
 ksys_fallocate fs/open.c:332 [inline]
 __do_sys_fallocate fs/open.c:340 [inline]
 __se_sys_fallocate fs/open.c:338 [inline]
 __x64_sys_fallocate+0xb9/0x100 fs/open.c:338
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace fd1e82c2b0b94802 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc10/0xc50 fs/ext4/mballoc.c:1826
Code: fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 0d fc ff ff 48 89 d7 e8 ff 83 c8 ff 48 8b 54 24 30 e9 fb fb ff ff e8 f0 a0 98 ff <0f> 0b e8 19 59 6f ff e8 e4 a0 98 ff 0f 0b e8 dd a0 98 ff 0f 0b e8
RSP: 0018:ffff8881e0ef7400 EFLAGS: 00010283
RAX: ffffffff81cba630 RBX: 0000000000000001 RCX: 0000000000040000