program:
syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000600), 0x1, 0x56e, &(0x7f0000000640)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cpu.stat\x00', 0x275a, 0x0)
ftruncate(r0, 0x201bf)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0)
open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x131)
mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0)
r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x8005, 0x0, 0x0, 0x19, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]})
r4 = syz_open_dev$media(&(0x7f0000000040), 0x2, 0x0)
ioctl$MEDIA_IOC_G_TOPOLOGY(r4, 0xc0487c04, &(0x7f0000000900)={0x0, 0x3, 0x0, &(0x7f0000000e80)=[{}, {}, {}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r5 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0xfffffffff7fffffb)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r5, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r6, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000005c0)={0x30, 0x3e, 0x300, 0x70bd2b, 0x0, {0x1, 0x7c}, [@nested={0x8, 0xfc, 0x0, 0x1, [@typed={0x4, 0x5}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x8, 0x6, 0x0, 0x0, @pid}]}, @nested={0x8, 0x2, 0x0, 0x1, [@generic="7235ab62"]}]}, 0x30}, 0x1, 0x0, 0x0, 0xc000}, 0x4040)

[   85.021001][ T4687] Bluetooth: hci0: command tx timeout
[   85.116085][ T5347] loop0: detected capacity change from 0 to 512
[   85.215894][ T5347] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[   85.224134][ T5347] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   85.298681][ T5347] loop0: detected capacity change from 512 to 64
[   85.318561][ T2617] EXT4-fs error (device loop0): ext4_validate_block_bitmap:423: comm kworker/u4:13: bg 0: bad block bitmap checksum
[   85.358493][ T5348] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory
[   85.363222][ T2617] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 74
[   85.381472][ T5348] EXT4-fs error (device loop0): ext4_setattr:5984: inode #18: comm syz.0.0: mark_inode_dirty error
[   85.399073][ T2617] EXT4-fs (loop0): This should not happen!! Data will be lost
[   85.399073][ T2617] 
[   85.420893][ T5346] ------------[ cut here ]------------
[   85.423705][ T5346] WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x202/0xe10, CPU#0: syz.0.0/5346
[   85.428199][ T5346] Modules linked in:
[   85.430279][ T5346] CPU: 0 UID: 0 PID: 5346 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
[   85.434179][ T5346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   85.438877][ T5346] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[   85.441402][ T5346] Code: 3c 20 00 74 08 48 89 df e8 fb ce 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 2a 29 c3 ff 49 83 e6 08 75 20 e8 3f 24 c3 ff 90 <0f> 0b 90 eb 1a e8 34 24 c3 ff 48 8b 2c 24 e9 5d 07 00 00 e8 26 24
[   85.449727][ T5346] RSP: 0018:ffffc9000a8af810 EFLAGS: 00010093
[   85.452388][ T5346] RAX: ffffffff81fde321 RBX: ffffea00008c6640 RCX: ffff88801a21c980
[   85.455884][ T5346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   85.459172][ T5346] RBP: ffff88805545ab38 R08: ffffea00008c6647 R09: 1ffffd4000118cc8
[   85.462486][ T5346] R10: dffffc0000000000 R11: fffff94000118cc9 R12: dffffc0000000000
[   85.465806][ T5346] R13: ffff88805545ab40 R14: 0000000000000000 R15: 0000000000000001
[   85.469276][ T5346] FS:  000055556a21e500(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000
[   85.473141][ T5346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.476026][ T5346] CR2: 0000200000000140 CR3: 00000000126d9000 CR4: 0000000000352ef0
[   85.479511][ T5346] Call Trace:
[   85.481012][ T5346]  <TASK>
[   85.482363][ T5346]  ? do_raw_spin_unlock+0x4d/0x240
[   85.484648][ T5346]  block_dirty_folio+0x17a/0x1d0
[   85.486874][ T5346]  ext4_page_mkwrite+0xf07/0x1190
[   85.489140][ T5346]  ? __pfx_ext4_get_block_unwritten+0x10/0x10
[   85.491621][ T5346]  ? __pfx_ext4_page_mkwrite+0x10/0x10
[   85.493815][ T5346]  do_page_mkwrite+0x14d/0x310
[   85.495744][ T5346]  do_wp_page+0x2676/0x5810
[   85.497586][ T5346]  ? ___pte_offset_map+0x29/0x240
[   85.499584][ T5346]  ? __pfx_do_wp_page+0x10/0x10
[   85.501544][ T5346]  ? do_raw_spin_lock+0x121/0x290
[   85.503553][ T5346]  ? handle_mm_fault+0x1411/0x32b0
[   85.505822][ T5346]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   85.508231][ T5346]  handle_mm_fault+0x14c5/0x32b0
[   85.510381][ T5346]  ? handle_mm_fault+0xdb/0x32b0
[   85.512494][ T5346]  ? __pfx_handle_mm_fault+0x10/0x10
[   85.514825][ T5346]  ? lock_vma_under_rcu+0x42c/0x4a0
[   85.517130][ T5346]  ? __pfx_do_futex+0x10/0x10
[   85.519256][ T5346]  do_user_addr_fault+0xa7c/0x1380
[   85.521566][ T5346]  ? rcu_is_watching+0x15/0xb0
[   85.523745][ T5346]  ? trace_page_fault_user+0x84/0x1c0
[   85.526110][ T5346]  exc_page_fault+0x71/0xd0
[   85.528208][ T5346]  asm_exc_page_fault+0x26/0x30
[   85.530514][ T5346] RIP: 0033:0x7fe12ea555f3
[   85.532545][ T5346] Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48
[   85.540700][ T5346] RSP: 002b:00007ffc03531330 EFLAGS: 00010246
[   85.543316][ T5346] RAX: 0000200000000140 RBX: 0000000000000008 RCX: 0000000000000000
[   85.546694][ T5346] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000055556a21e3c8
[   85.550125][ T5346] RBP: 00007ffc03531438 R08: 0000000000000000 R09: 0000000000000000
[   85.553665][ T5346] R10: 0000000000000000 R11: 0000000000000001 R12: 00007fe12ede609c
[   85.557103][ T5346] R13: 00007ffc03531460 R14: fffffffffffffffe R15: 00007ffc03531480
[   85.560550][ T5346]  </TASK>
[   85.561982][ T5346] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   85.565236][ T5346] CPU: 0 UID: 0 PID: 5346 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
[   85.569023][ T5346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   85.573664][ T5346] Call Trace:
[   85.575142][ T5346]  <TASK>
[   85.576459][ T5346]  vpanic+0x1e0/0x670
[   85.578293][ T5346]  panic+0xb9/0xc0
[   85.580019][ T5346]  ? __pfx_panic+0x10/0x10
[   85.581964][ T5346]  __warn+0x317/0x4b0
[   85.583711][ T5346]  ? __folio_mark_dirty+0x202/0xe10
[   85.585936][ T5346]  ? __folio_mark_dirty+0x202/0xe10
[   85.588180][ T5346]  __report_bug+0x288/0x500
[   85.590166][ T5346]  ? __folio_mark_dirty+0x202/0xe10
[   85.592483][ T5346]  ? __pfx___report_bug+0x10/0x10
[   85.594699][ T5346]  ? __lock_acquire+0x6b6/0x2cf0
[   85.596972][ T5346]  ? do_raw_spin_unlock+0x4d/0x240
[   85.599204][ T5346]  ? __folio_mark_dirty+0x202/0xe10
[   85.601568][ T5346]  report_bug+0x16a/0x220
[   85.603569][ T5346]  ? __folio_mark_dirty+0x202/0xe10
[   85.605934][ T5346]  ? __folio_mark_dirty+0x204/0xe10
[   85.608309][ T5346]  handle_bug+0x98/0x200
[   85.610215][ T5346]  exc_invalid_op+0x1a/0x50
[   85.612282][ T5346]  asm_exc_invalid_op+0x1a/0x20
[   85.614519][ T5346] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[   85.617150][ T5346] Code: 3c 20 00 74 08 48 89 df e8 fb ce 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 2a 29 c3 ff 49 83 e6 08 75 20 e8 3f 24 c3 ff 90 <0f> 0b 90 eb 1a e8 34 24 c3 ff 48 8b 2c 24 e9 5d 07 00 00 e8 26 24
[   85.625369][ T5346] RSP: 0018:ffffc9000a8af810 EFLAGS: 00010093
[   85.627986][ T5346] RAX: ffffffff81fde321 RBX: ffffea00008c6640 RCX: ffff88801a21c980
[   85.631436][ T5346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   85.634839][ T5346] RBP: ffff88805545ab38 R08: ffffea00008c6647 R09: 1ffffd4000118cc8
[   85.638184][ T5346] R10: dffffc0000000000 R11: fffff94000118cc9 R12: dffffc0000000000
[   85.641663][ T5346] R13: ffff88805545ab40 R14: 0000000000000000 R15: 0000000000000001
[   85.645223][ T5346]  ? __folio_mark_dirty+0x201/0xe10
[   85.647597][ T5346]  ? do_raw_spin_unlock+0x4d/0x240
[   85.649818][ T5346]  block_dirty_folio+0x17a/0x1d0
[   85.652238][ T5346]  ext4_page_mkwrite+0xf07/0x1190
[   85.654586][ T5346]  ? __pfx_ext4_get_block_unwritten+0x10/0x10
[   85.657312][ T5346]  ? __pfx_ext4_page_mkwrite+0x10/0x10
[   85.659730][ T5346]  do_page_mkwrite+0x14d/0x310
[   85.661890][ T5346]  do_wp_page+0x2676/0x5810
[   85.663951][ T5346]  ? ___pte_offset_map+0x29/0x240
[   85.666110][ T5346]  ? __pfx_do_wp_page+0x10/0x10
[   85.668266][ T5346]  ? do_raw_spin_lock+0x121/0x290
[   85.670543][ T5346]  ? handle_mm_fault+0x1411/0x32b0
[   85.672764][ T5346]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   85.675150][ T5346]  handle_mm_fault+0x14c5/0x32b0
[   85.677317][ T5346]  ? handle_mm_fault+0xdb/0x32b0
[   85.679375][ T5346]  ? __pfx_handle_mm_fault+0x10/0x10
[   85.681644][ T5346]  ? lock_vma_under_rcu+0x42c/0x4a0
[   85.683974][ T5346]  ? __pfx_do_futex+0x10/0x10
[   85.686122][ T5346]  do_user_addr_fault+0xa7c/0x1380
[   85.688431][ T5346]  ? rcu_is_watching+0x15/0xb0
[   85.690614][ T5346]  ? trace_page_fault_user+0x84/0x1c0
[   85.692973][ T5346]  exc_page_fault+0x71/0xd0
[   85.695023][ T5346]  asm_exc_page_fault+0x26/0x30
[   85.697166][ T5346] RIP: 0033:0x7fe12ea555f3
[   85.699105][ T5346] Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48
[   85.707147][ T5346] RSP: 002b:00007ffc03531330 EFLAGS: 00010246
[   85.709735][ T5346] RAX: 0000200000000140 RBX: 0000000000000008 RCX: 0000000000000000
[   85.713147][ T5346] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000055556a21e3c8
[   85.716559][ T5346] RBP: 00007ffc03531438 R08: 0000000000000000 R09: 0000000000000000
[   85.720036][ T5346] R10: 0000000000000000 R11: 0000000000000001 R12: 00007fe12ede609c
[   85.723509][ T5346] R13: 00007ffc03531460 R14: fffffffffffffffe R15: 00007ffc03531480
[   85.727014][ T5346]  </TASK>
[   85.728725][ T5346] Kernel Offset: disabled
[   85.730606][ T5346] Rebooting in 86400 seconds..