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kernel BUG at fs/ext4/inode.c:2739!
invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 PID: 22135 Comm: syz-executor.3 Not tainted 5.10.123 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:ext4_writepages+0x2a7d/0x3590 fs/ext4/inode.c:2739
Code: cd ff e9 0e e4 ff ff e8 11 4a a2 ff 0f 0b 8b 84 24 bc 00 00 00 4c 8b 74 24 38 31 db 89 44 24 18 e9 71 f9 ff ff e8 f3 49 a2 ff <0f> 0b e8 ec 49 a2 ff 0f b6 ac 24 0b 01 00 00 89 5c 24 18 e9 4e e7
RSP: 0018:ffff888056d4f5a0 EFLAGS: 00010206
RAX: 0000000000000960 RBX: 0000000000000001 RCX: ffffc90005208000
RDX: 0000000000040000 RSI: ffffffff819d577d RDI: 0000000000000007
RBP: ffff88801d780050 R08: 0000000000000000 R09: ffff88801d780057
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8880456fc000 R14: ffff88801d780338 R15: 00000000000000bc
FS:  00007fc7828b0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556236c98 CR3: 0000000049c26000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 do_writepages+0xee/0x290 mm/page-writeback.c:2352
 __filemap_fdatawrite_range+0x247/0x2f0 mm/filemap.c:422
 file_write_and_wait_range+0xb2/0x120 mm/filemap.c:761
 ext4_sync_file+0x225/0xf30 fs/ext4/fsync.c:151
 vfs_fsync_range+0x13d/0x230 fs/sync.c:200
 generic_write_sync include/linux/fs.h:2741 [inline]
 ext4_buffered_write_iter+0x36a/0x4d0 fs/ext4/file.c:278
 ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:681
 call_write_iter include/linux/fs.h:1903 [inline]
 new_sync_write+0x42c/0x660 fs/read_write.c:518
 vfs_write+0x743/0xa20 fs/read_write.c:605
 ksys_write+0x12d/0x250 fs/read_write.c:658
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fc78535bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc7828b0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc78546f020 RCX: 00007fc78535bb19
RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003
RBP: 00007fc7853b5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb8cf083f R14: 00007fc7828b0300 R15: 0000000000022000
Modules linked in:
hpet: Lost 6 RTC interrupts
---[ end trace ee7a6286a9bd3598 ]---
RIP: 0010:ext4_writepages+0x2a7d/0x3590 fs/ext4/inode.c:2739
Code: cd ff e9 0e e4 ff ff e8 11 4a a2 ff 0f 0b 8b 84 24 bc 00 00 00 4c 8b 74 24 38 31 db 89 44 24 18 e9 71 f9 ff ff e8 f3 49 a2 ff <0f> 0b e8 ec 49 a2 ff 0f b6 ac 24 0b 01 00 00 89 5c 24 18 e9 4e e7
RSP: 0018:ffff888056d4f5a0 EFLAGS: 00010206
RAX: 0000000000000960 RBX: 0000000000000001 RCX: ffffc90005208000
RDX: 0000000000040000 RSI: ffffffff819d577d RDI: 0000000000000007
RBP: ffff88801d780050 R08: 0000000000000000 R09: ffff88801d780057
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8880456fc000 R14: ffff88801d780338 R15: 00000000000000bc
FS:  00007fc7828b0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556236c98 CR3: 0000000049c26000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
cgroup: fork rejected by pids controller in /syz2