program:
openat$cdrom(0xffffffffffffff9c, &(0x7f0000000040), 0x4080, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$TIPC_NL_BEARER_SET(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010029bd7000fedbdf250500100004000180"], 0x18}, 0x1, 0x0, 0x0, 0x489820276248e085}, 0x20008000)
syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000600), 0x1, 0x56e, &(0x7f0000000640)="$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")
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cpu.stat\x00', 0x275a, 0x0)
ftruncate(r2, 0x201bf)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0)
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x131)
mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0)
r5 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r5, 0x4c04, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x8005, 0x0, 0x0, 0x19, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]})
r6 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r6, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0)
syz_mount_image$bfs(&(0x7f0000000040), &(0x7f0000000140)='./bus\x00', 0x10, &(0x7f0000000400)=ANY=[@ANYBLOB="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", @ANYRES64=0x0], 0x1, 0x9e, &(0x7f00000006c0)="$eJzszr2JAkEABeB3Gxx7yTZwwXVwNWgRVmBoaKQI2pCtWIKpkYGpyYjsCrKggYE/8H0wDG8eA29zXP+mScoyKaWs0ipn09l88p3b7nV8hqq76yR/TZv3w2SQ5Kvrt4fF+HJ630f1CzYDAACPqfLfz1cPu5/nLwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4L6cAAAD//6LYGgE=")
creat(&(0x7f0000000100)='./file1\x00', 0xe0)
unlink(&(0x7f0000000300)='./file1\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00')
[ 86.221074][ T46] Bluetooth: hci0: command tx timeout
[ 86.519657][ T5343] loop0: detected capacity change from 0 to 512
[ 86.654387][ T5343] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 86.683507][ T5343] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 86.763262][ T5343] loop0: detected capacity change from 512 to 64
[ 86.797187][ T3025] EXT4-fs error (device loop0): ext4_validate_block_bitmap:423: comm kworker/u4:16: bg 0: bad block bitmap checksum
[ 86.809579][ T5343] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory
[ 86.822672][ T3025] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28
[ 86.828515][ T3025] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 86.828515][ T3025]
[ 86.832668][ T3025] EXT4-fs (loop0): Total free blocks count 0
[ 86.840921][ T5343] EXT4-fs error (device loop0): ext4_setattr:5984: inode #18: comm syz.0.0: mark_inode_dirty error
[ 86.853279][ T5343] EXT4-fs error (device loop0) in ext4_setattr:6035: Out of memory
[ 86.857092][ T3025] EXT4-fs (loop0): Free/Dirty block details
[ 86.859771][ T3025] EXT4-fs (loop0): free_blocks=0
[ 86.862072][ T3025] EXT4-fs (loop0): dirty_blocks=4
[ 86.878812][ T3025] EXT4-fs (loop0): Block reservation details
[ 86.881789][ T3025] EXT4-fs (loop0): i_reserved_data_blocks=4
[ 86.898626][ T5342] ------------[ cut here ]------------
[ 86.901502][ T5342] WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x202/0xe10, CPU#0: syz.0.0/5342
[ 86.906142][ T5342] Modules linked in:
[ 86.908288][ T5342] CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 86.912562][ T5342] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.917448][ T5342] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[ 86.920022][ T5342] Code: 3c 20 00 74 08 48 89 df e8 3b d2 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 8a fa c2 ff 49 83 e6 08 75 20 e8 9f f5 c2 ff 90 <0f> 0b 90 eb 1a e8 94 f5 c2 ff 48 8b 2c 24 e9 5d 07 00 00 e8 86 f5
[ 86.928763][ T5342] RSP: 0000:ffffc9000a357810 EFLAGS: 00010093
[ 86.931591][ T5342] RAX: ffffffff81fecab1 RBX: ffffea00007f2ac0 RCX: ffff8880002a24c0
[ 86.935217][ T5342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 86.938613][ T5342] RBP: ffff8880463617f8 R08: ffffea00007f2ac7 R09: 1ffffd40000fe558
[ 86.942259][ T5342] R10: dffffc0000000000 R11: fffff940000fe559 R12: dffffc0000000000
[ 86.945780][ T5342] R13: ffff888046361800 R14: 0000000000000000 R15: 0000000000000001
[ 86.949332][ T5342] FS: 000055557fbb1500(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000
[ 86.953661][ T5342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.956869][ T5342] CR2: 0000200000000100 CR3: 0000000043b00000 CR4: 0000000000352ef0
[ 86.960766][ T5342] Call Trace:
[ 86.962340][ T5342]
[ 86.963760][ T5342] ? do_raw_spin_unlock+0x4d/0x240
[ 86.966166][ T5342] block_dirty_folio+0x17a/0x1d0
[ 86.968447][ T5342] ext4_page_mkwrite+0xf07/0x1190
[ 86.970677][ T5342] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 86.973332][ T5342] ? __pfx_ext4_page_mkwrite+0x10/0x10
[ 86.975695][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 86.977923][ T5342] do_page_mkwrite+0x14d/0x310
[ 86.980210][ T5342] do_wp_page+0x2676/0x5810
[ 86.982342][ T5342] ? __pfx_do_wp_page+0x10/0x10
[ 86.984635][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 86.986898][ T5342] ? handle_mm_fault+0x1411/0x32b0
[ 86.989190][ T5342] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 86.991482][ T5342] handle_mm_fault+0x14c5/0x32b0
[ 86.993774][ T5342] ? handle_mm_fault+0xdb/0x32b0
[ 86.996232][ T5342] ? __pfx_handle_mm_fault+0x10/0x10
[ 86.998676][ T5342] ? lock_vma_under_rcu+0x42c/0x4a0
[ 87.001055][ T5342] ? __pfx_do_futex+0x10/0x10
[ 87.003281][ T5342] ? do_user_addr_fault+0x1a8/0x1380
[ 87.005670][ T5342] do_user_addr_fault+0xa7c/0x1380
[ 87.007949][ T5342] ? rcu_is_watching+0x15/0xb0
[ 87.009964][ T5342] ? trace_page_fault_user+0x84/0x1c0
[ 87.012328][ T5342] exc_page_fault+0x82/0x100
[ 87.014478][ T5342] asm_exc_page_fault+0x26/0x30
[ 87.016707][ T5342] RIP: 0033:0x7f04e3758b88
[ 87.018702][ T5342] Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
[ 87.027254][ T5342] RSP: 002b:00007fff457e96e8 EFLAGS: 00010246
[ 87.030011][ T5342] RAX: 0000200000000100 RBX: 0000000000000004 RCX: 0031656c69662f2e
[ 87.033562][ T5342] RDX: 0000000000000008 RSI: 0031656c69662f2e RDI: 0000200000000100
[ 87.037015][ T5342] RBP: 00007f04e39e7da0 R08: 00007f04e35ff02c R09: 0000000000000001
[ 87.040530][ T5342] R10: 0000000000000001 R11: 0000000000000009 R12: 00007f04e39e5fac
[ 87.044170][ T5342] R13: 00007f04e39e5fa0 R14: fffffffffffffffe R15: 00007fff457e9800
[ 87.047787][ T5342]
[ 87.049246][ T5342] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.052497][ T5342] CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 87.056716][ T5342] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 87.061483][ T5342] Call Trace:
[ 87.063073][ T5342]
[ 87.064536][ T5342] dump_stack_lvl+0x99/0x250
[ 87.066691][ T5342] ? __asan_memcpy+0x40/0x70
[ 87.068893][ T5342] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.070988][ T5342] ? __pfx__printk+0x10/0x10
[ 87.072895][ T5342] vpanic+0x237/0x6d0
[ 87.074632][ T5342] ? __pfx_vpanic+0x10/0x10
[ 87.076456][ T5342] ? is_bpf_text_address+0x292/0x2b0
[ 87.078756][ T5342] ? is_bpf_text_address+0x26/0x2b0
[ 87.081026][ T5342] panic+0xb9/0xc0
[ 87.082696][ T5342] ? __pfx_panic+0x10/0x10
[ 87.084833][ T5342] __warn+0x317/0x4b0
[ 87.086650][ T5342] ? __folio_mark_dirty+0x202/0xe10
[ 87.089033][ T5342] ? __folio_mark_dirty+0x202/0xe10
[ 87.091400][ T5342] __report_bug+0x288/0x500
[ 87.093419][ T5342] ? __folio_mark_dirty+0x202/0xe10
[ 87.095688][ T5342] ? __pfx___report_bug+0x10/0x10
[ 87.097957][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 87.100117][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 87.102445][ T5342] ? __folio_mark_dirty+0x202/0xe10
[ 87.105513][ T5342] report_bug+0x16a/0x220
[ 87.107697][ T5342] ? __folio_mark_dirty+0x202/0xe10
[ 87.110287][ T5342] ? __folio_mark_dirty+0x204/0xe10
[ 87.112923][ T5342] handle_bug+0x98/0x200
[ 87.115039][ T5342] exc_invalid_op+0x1a/0x50
[ 87.117319][ T5342] asm_exc_invalid_op+0x1a/0x20
[ 87.119476][ T5342] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[ 87.121949][ T5342] Code: 3c 20 00 74 08 48 89 df e8 3b d2 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 8a fa c2 ff 49 83 e6 08 75 20 e8 9f f5 c2 ff 90 <0f> 0b 90 eb 1a e8 94 f5 c2 ff 48 8b 2c 24 e9 5d 07 00 00 e8 86 f5
[ 87.130119][ T5342] RSP: 0000:ffffc9000a357810 EFLAGS: 00010093
[ 87.132498][ T5342] RAX: ffffffff81fecab1 RBX: ffffea00007f2ac0 RCX: ffff8880002a24c0
[ 87.136068][ T5342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 87.139529][ T5342] RBP: ffff8880463617f8 R08: ffffea00007f2ac7 R09: 1ffffd40000fe558
[ 87.142740][ T5342] R10: dffffc0000000000 R11: fffff940000fe559 R12: dffffc0000000000
[ 87.146344][ T5342] R13: ffff888046361800 R14: 0000000000000000 R15: 0000000000000001
[ 87.149789][ T5342] ? __folio_mark_dirty+0x201/0xe10
[ 87.152009][ T5342] ? do_raw_spin_unlock+0x4d/0x240
[ 87.154300][ T5342] block_dirty_folio+0x17a/0x1d0
[ 87.156317][ T5342] ext4_page_mkwrite+0xf07/0x1190
[ 87.158408][ T5342] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 87.161093][ T5342] ? __pfx_ext4_page_mkwrite+0x10/0x10
[ 87.163624][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 87.165906][ T5342] do_page_mkwrite+0x14d/0x310
[ 87.168152][ T5342] do_wp_page+0x2676/0x5810
[ 87.170339][ T5342] ? __pfx_do_wp_page+0x10/0x10
[ 87.172557][ T5342] ? do_raw_spin_lock+0x121/0x290
[ 87.174974][ T5342] ? handle_mm_fault+0x1411/0x32b0
[ 87.177558][ T5342] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 87.180037][ T5342] handle_mm_fault+0x14c5/0x32b0
[ 87.182157][ T5342] ? handle_mm_fault+0xdb/0x32b0
[ 87.184041][ T5342] ? __pfx_handle_mm_fault+0x10/0x10
[ 87.186157][ T5342] ? lock_vma_under_rcu+0x42c/0x4a0
[ 87.188536][ T5342] ? __pfx_do_futex+0x10/0x10
[ 87.190728][ T5342] ? do_user_addr_fault+0x1a8/0x1380
[ 87.193183][ T5342] do_user_addr_fault+0xa7c/0x1380
[ 87.195560][ T5342] ? rcu_is_watching+0x15/0xb0
[ 87.197785][ T5342] ? trace_page_fault_user+0x84/0x1c0
[ 87.200334][ T5342] exc_page_fault+0x82/0x100
[ 87.202521][ T5342] asm_exc_page_fault+0x26/0x30
[ 87.204580][ T5342] RIP: 0033:0x7f04e3758b88
[ 87.206608][ T5342] Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
[ 87.215385][ T5342] RSP: 002b:00007fff457e96e8 EFLAGS: 00010246
[ 87.218003][ T5342] RAX: 0000200000000100 RBX: 0000000000000004 RCX: 0031656c69662f2e
[ 87.221866][ T5342] RDX: 0000000000000008 RSI: 0031656c69662f2e RDI: 0000200000000100
[ 87.225337][ T5342] RBP: 00007f04e39e7da0 R08: 00007f04e35ff02c R09: 0000000000000001
[ 87.228877][ T5342] R10: 0000000000000001 R11: 0000000000000009 R12: 00007f04e39e5fac
[ 87.232547][ T5342] R13: 00007f04e39e5fa0 R14: fffffffffffffffe R15: 00007fff457e9800
[ 87.236177][ T5342]
[ 87.238267][ T5342] Kernel Offset: disabled
[ 87.240358][ T5342] Rebooting in 86400 seconds..