EXT4-fs error (device loop2): __ext4_ext_dirty:183: inode #18: comm syz-executor.2: mark_inode_dirty error
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kernel BUG at fs/ext4/ext4.h:3355!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 26204 Comm: syz-executor.2 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xee5/0xf00 fs/ext4/mballoc.c:1498
Code: 11 0f c8 ff e9 0d f4 ff ff e8 87 c7 86 ff 48 c7 c7 80 81 a9 86 4c 89 fe 4c 89 f2 e8 05 93 9a 00 e9 87 f2 ff ff e8 6b c7 86 ff <0f> 0b e8 64 c7 86 ff 0f 0b e8 5d c7 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc9000641e4c0 EFLAGS: 00010293
RAX: ffffffff81e92455 RBX: 00000000fffff01a RCX: ffff88812963a780
RDX: 0000000000000000 RSI: 00000000fffff01a RDI: 0000000000000001
RBP: ffffc9000641e550 R08: ffffffff81e91684 R09: ffffed102f80dac8
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023460e79
R13: ffff88811a3073c8 R14: 0000000000000001 R15: ffff888133010000
FS:  00007f3446b95700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fa24000 CR3: 0000000161f48000 CR4: 00000000003506a0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_discard_preallocations+0x79c/0xef0 fs/ext4/mballoc.c:5033
 ext4_truncate+0x8e4/0xfa0 fs/ext4/inode.c:4273
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_write_begin+0xbb4/0x13d0 fs/ext4/inode.c:1262
 ext4_da_write_begin+0x4a2/0xc30 fs/ext4/inode.c:2986
 generic_perform_write+0x2bc/0x5a0 mm/filemap.c:3831
 ext4_buffered_write_iter+0x49c/0x630 fs/ext4/file.c:271
 ext4_file_write_iter+0x443/0x1cc0
 __kernel_write+0x5ab/0xa60 fs/read_write.c:539
 __dump_emit+0x261/0x3a0 fs/coredump.c:875
 dump_emit+0x381/0x3f0 fs/coredump.c:912
 dump_user_range+0x86/0x1c0 fs/coredump.c:949
 elf_core_dump+0x3663/0x3e80 fs/binfmt_elf.c:2285
 do_coredump+0x1834/0x3050 fs/coredump.c:826
 get_signal+0x4c8/0x1630 kernel/signal.c:2877
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:314
 irqentry_exit+0x12/0x40 kernel/entry/common.c:405
 exc_page_fault+0x47a/0x830 arch/x86/mm/fault.c:1608
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 002b:0000000020000473 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3447f41f80 RCX: 00007f3447e22169
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f3446b95050
RBP: 00007f3447e7dca1 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f3446b95050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007ffc65d1dcaf R14: 00007f3446b95300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace e75070f301511270 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xee5/0xf00 fs/ext4/mballoc.c:1498
Code: 11 0f c8 ff e9 0d f4 ff ff e8 87 c7 86 ff 48 c7 c7 80 81 a9 86 4c 89 fe 4c 89 f2 e8 05 93 9a 00 e9 87 f2 ff ff e8 6b c7 86 ff <0f> 0b e8 64 c7 86 ff 0f 0b e8 5d c7 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc9000641e4c0 EFLAGS: 00010293
RAX: ffffffff81e92455 RBX: 00000000fffff01a RCX: ffff88812963a780
RDX: 0000000000000000 RSI: 00000000fffff01a RDI: 0000000000000001
RBP: ffffc9000641e550 R08: ffffffff81e91684 R09: ffffed102f80dac8
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023460e79
R13: ffff88811a3073c8 R14: 0000000000000001 R15: ffff888133010000
FS:  00007f3446b95700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fa24000 CR3: 0000000161f48000 CR4: 00000000003506a0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400