EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
ext4 filesystem being mounted at /root/syzkaller-testdir401603835/syzkaller.laa6Vf/13/bus supports timestamps until 2038 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 504 Comm: syz-executor.0 Not tainted 5.4.283-syzkaller-04984-ge6ac8beecb16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc36/0xc70 fs/ext4/mballoc.c:1830
Code: fb ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c f6 fb ff ff 48 89 d7 e8 59 6f c8 ff 48 8b 54 24 20 e9 e4 fb ff ff e8 6a 86 98 ff <0f> 0b e8 43 3c 6f ff e8 5e 86 98 ff 0f 0b e8 57 86 98 ff 0f 0b e8
RSP: 0018:ffff8881eb2468e0 EFLAGS: 00010293
RAX: ffffffff81cbb036 RBX: 0000000000000001 RCX: ffff8881f31c2f40
RDX: 0000000000000000 RSI: 00000000fffffac6 RDI: 0000000000000001
RBP: ffff8881eb2469f0 R08: ffffffff81cba521 R09: ffffed103b64df22
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881eb6b03f0 R14: 00000000fffffac6 R15: 1ffff1103d6d607e
FS:  00007f53642806c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 00000001ebed0000 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:2131
 ext4_mb_new_blocks+0x59a/0x2d10 fs/ext4/mballoc.c:4603
 ext4_ext_map_blocks+0x1e70/0x7450 fs/ext4/extents.c:4512
 ext4_map_blocks+0xa2f/0x1ba0 fs/ext4/inode.c:661
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:802
 ext4_block_write_begin+0x68a/0x1390 fs/ext4/inode.c:1213
 ext4_write_begin+0x5ba/0x1900 fs/ext4/inode.c:1351
 ext4_da_write_begin+0x4a3/0xfe0 fs/ext4/inode.c:3110
 generic_perform_write+0x2c7/0x560 mm/filemap.c:3450
 __generic_file_write_iter+0x224/0x530 mm/filemap.c:3579
 ext4_file_write_iter+0x499/0x10e0 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1989 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x5d3/0x750 fs/read_write.c:496
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f53646fd8d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f53642800c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f536481cf80 RCX: 00007f53646fd8d9
RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007f5364759b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f536481cf80 R15: 00007ffc7ebc3d88
Modules linked in:
---[ end trace 7f666813e8674862 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc36/0xc70 fs/ext4/mballoc.c:1830
Code: fb ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c f6 fb ff ff 48 89 d7 e8 59 6f c8 ff 48 8b 54 24 20 e9 e4 fb ff ff e8 6a 86 98 ff <0f> 0b e8 43 3c 6f ff e8 5e 86 98 ff 0f 0b e8 57 86 98 ff 0f 0b e8
RSP: 0018:ffff8881eb2468e0 EFLAGS: 00010293
RAX: ffffffff81cbb036 RBX: 0000000000000001 RCX: ffff8881f31c2f40
RDX: 0000000000000000 RSI: 00000000fffffac6 RDI: 0000000000000001
RBP: ffff8881eb2469f0 R08: ffffffff81cba521 R09: ffffed103b64df22
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881eb6b03f0 R14: 00000000fffffac6 R15: 1ffff1103d6d607e
FS:  00007f53642806c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 00000001ebed0000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400