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$KVM_CREATE_VM(r1, 0xae01, 0x0)
open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x131)
mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0)
fsopen(&(0x7f00000000c0)='hugetlbfs\x00', 0x1)
r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
openat$ndctl0(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x8005, 0x0, 0x0, 0x19, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d616000000000000000000000001", [0x8, 0x8000000000000001]})
r4 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0)
r5 = openat$kvm(0xffffffffffffff9c, &(0x7f00000004c0), 0x400, 0x0)
r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0)
ioctl$KVM_CREATE_IRQCHIP(r6, 0xae60)
r7 = socket$qrtr(0x2a, 0x2, 0x0)
ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x1)
connect(r7, &(0x7f0000006a80)=@un=@file={0x0, './file1\x00'}, 0xbc)
ioctl$KVM_SET_GSI_ROUTING(r6, 0x4008ae6a, &(0x7f0000000280)={0x1, 0x0, [{0x3, 0x5, 0x0, 0x0, @irqchip={0x2, 0x8}}]})
ioctl$KVM_IRQ_LINE_STATUS(r6, 0xc008ae67, &(0x7f0000000000)={0x3, 0x8248})
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
[ 85.259123][ T4686] Bluetooth: hci0: command tx timeout
[ 85.332246][ T5342] loop0: detected capacity change from 0 to 512
[ 85.478774][ T5342] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 85.508189][ T5342] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[ 85.593446][ T5342] loop0: detected capacity change from 512 to 64
[ 85.645846][ T2700] EXT4-fs error (device loop0): ext4_validate_block_bitmap:423: comm kworker/u4:16: bg 0: bad block bitmap checksum
[ 85.667669][ T2700] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28
[ 85.676181][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory
[ 85.693639][ T2700] EXT4-fs (loop0): This should not happen!! Data will be lost
[ 85.693639][ T2700]
[ 85.697682][ T2700] EXT4-fs (loop0): Total free blocks count 0
[ 85.700357][ T2700] EXT4-fs (loop0): Free/Dirty block details
[ 85.702818][ T2700] EXT4-fs (loop0): free_blocks=0
[ 85.713367][ T5342] EXT4-fs error (device loop0): ext4_setattr:5984: inode #18: comm syz.0.0: mark_inode_dirty error
[ 85.718817][ T5342] EXT4-fs error (device loop0) in ext4_setattr:6035: Out of memory
[ 85.733142][ T2700] EXT4-fs (loop0): dirty_blocks=4
[ 85.735585][ T2700] EXT4-fs (loop0): Block reservation details
[ 85.738302][ T2700] EXT4-fs (loop0): i_reserved_data_blocks=4
[ 85.745442][ T5340] ------------[ cut here ]------------
[ 85.748382][ T5340] WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x202/0xe10, CPU#0: syz.0.0/5340
[ 85.753046][ T5340] Modules linked in:
[ 85.755232][ T5340] CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.759326][ T5340] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.764705][ T5340] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[ 85.767858][ T5340] Code: 3c 20 00 74 08 48 89 df e8 7b cf 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 6a 29 c3 ff 49 83 e6 08 75 20 e8 7f 24 c3 ff 90 <0f> 0b 90 eb 1a e8 74 24 c3 ff 48 8b 2c 24 e9 5d 07 00 00 e8 66 24
[ 85.776295][ T5340] RSP: 0000:ffffc9000a67f810 EFLAGS: 00010093
[ 85.779185][ T5340] RAX: ffffffff81fde0d1 RBX: ffffea000049cb80 RCX: ffff888035afa4c0
[ 85.782872][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 85.786503][ T5340] RBP: ffff8880475197f8 R08: ffffea000049cb87 R09: 1ffffd4000093970
[ 85.789836][ T5340] R10: dffffc0000000000 R11: fffff94000093971 R12: dffffc0000000000
[ 85.793049][ T5340] R13: ffff888047519800 R14: 0000000000000000 R15: 0000000000000001
[ 85.796517][ T5340] FS: 000055556bd42500(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
[ 85.800470][ T5340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.803357][ T5340] CR2: 0000200000000140 CR3: 00000000440c0000 CR4: 0000000000352ef0
[ 85.806767][ T5340] Call Trace:
[ 85.808191][ T5340]
[ 85.809387][ T5340] ? do_raw_spin_unlock+0x4d/0x240
[ 85.811511][ T5340] block_dirty_folio+0x17a/0x1d0
[ 85.813456][ T5340] ext4_page_mkwrite+0xf07/0x1190
[ 85.815644][ T5340] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 85.818289][ T5340] ? __pfx_ext4_page_mkwrite+0x10/0x10
[ 85.820657][ T5340] do_page_mkwrite+0x14d/0x310
[ 85.822579][ T5340] do_wp_page+0x2676/0x5810
[ 85.824224][ T5340] ? ___pte_offset_map+0x29/0x240
[ 85.826068][ T5340] ? __pfx_do_wp_page+0x10/0x10
[ 85.827670][ T5340] ? do_raw_spin_lock+0x121/0x290
[ 85.829324][ T5340] ? handle_mm_fault+0x1411/0x32b0
[ 85.831016][ T5340] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 85.833038][ T5340] handle_mm_fault+0x14c5/0x32b0
[ 85.835198][ T5340] ? handle_mm_fault+0xdb/0x32b0
[ 85.837287][ T5340] ? __pfx_handle_mm_fault+0x10/0x10
[ 85.839612][ T5340] ? lock_vma_under_rcu+0x42c/0x4a0
[ 85.841551][ T5340] ? __pfx_do_futex+0x10/0x10
[ 85.843226][ T5340] do_user_addr_fault+0xa7c/0x1380
[ 85.845225][ T5340] ? rcu_is_watching+0x15/0xb0
[ 85.847286][ T5340] ? trace_page_fault_user+0x84/0x1c0
[ 85.849612][ T5340] exc_page_fault+0x71/0xd0
[ 85.851555][ T5340] asm_exc_page_fault+0x26/0x30
[ 85.853524][ T5340] RIP: 0033:0x7f26fde555f3
[ 85.855421][ T5340] 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
[ 85.863380][ T5340] RSP: 002b:00007fff5d668690 EFLAGS: 00010246
[ 85.865982][ T5340] RAX: 0000200000000140 RBX: 0000000000000008 RCX: 0000000000000000
[ 85.869314][ T5340] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000055556bd423c8
[ 85.872670][ T5340] RBP: 00007fff5d668798 R08: 0000000000000000 R09: 0000000000000000
[ 85.875772][ T5340] R10: 0000000000000000 R11: 0000000000000001 R12: 00007f26fe1e5fac
[ 85.878672][ T5340] R13: 00007f26fe1e5fa0 R14: fffffffffffffffe R15: 00007fff5d6687e0
[ 85.881918][ T5340]
[ 85.883313][ T5340] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.886043][ T5340] CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.889679][ T5340] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.894150][ T5340] Call Trace:
[ 85.895642][ T5340]
[ 85.896941][ T5340] vpanic+0x1e0/0x670
[ 85.898790][ T5340] panic+0xb9/0xc0
[ 85.900710][ T5340] ? __pfx_panic+0x10/0x10
[ 85.902838][ T5340] __warn+0x317/0x4b0
[ 85.904636][ T5340] ? __folio_mark_dirty+0x202/0xe10
[ 85.907076][ T5340] ? __folio_mark_dirty+0x202/0xe10
[ 85.909508][ T5340] __report_bug+0x288/0x500
[ 85.911695][ T5340] ? __folio_mark_dirty+0x202/0xe10
[ 85.914152][ T5340] ? __pfx___report_bug+0x10/0x10
[ 85.916519][ T5340] ? __lock_acquire+0x6b6/0x2cf0
[ 85.918776][ T5340] ? do_raw_spin_unlock+0x4d/0x240
[ 85.921175][ T5340] ? __folio_mark_dirty+0x202/0xe10
[ 85.923564][ T5340] report_bug+0x16a/0x220
[ 85.925581][ T5340] ? __folio_mark_dirty+0x202/0xe10
[ 85.927880][ T5340] ? __folio_mark_dirty+0x204/0xe10
[ 85.930226][ T5340] handle_bug+0x98/0x200
[ 85.932117][ T5340] exc_invalid_op+0x1a/0x50
[ 85.934207][ T5340] asm_exc_invalid_op+0x1a/0x20
[ 85.936336][ T5340] RIP: 0010:__folio_mark_dirty+0x202/0xe10
[ 85.938958][ T5340] Code: 3c 20 00 74 08 48 89 df e8 7b cf 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 6a 29 c3 ff 49 83 e6 08 75 20 e8 7f 24 c3 ff 90 <0f> 0b 90 eb 1a e8 74 24 c3 ff 48 8b 2c 24 e9 5d 07 00 00 e8 66 24
[ 85.947256][ T5340] RSP: 0000:ffffc9000a67f810 EFLAGS: 00010093
[ 85.950098][ T5340] RAX: ffffffff81fde0d1 RBX: ffffea000049cb80 RCX: ffff888035afa4c0
[ 85.953611][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 85.957050][ T5340] RBP: ffff8880475197f8 R08: ffffea000049cb87 R09: 1ffffd4000093970
[ 85.960425][ T5340] R10: dffffc0000000000 R11: fffff94000093971 R12: dffffc0000000000
[ 85.963834][ T5340] R13: ffff888047519800 R14: 0000000000000000 R15: 0000000000000001
[ 85.967257][ T5340] ? __folio_mark_dirty+0x201/0xe10
[ 85.969534][ T5340] ? do_raw_spin_unlock+0x4d/0x240
[ 85.971787][ T5340] block_dirty_folio+0x17a/0x1d0
[ 85.973976][ T5340] ext4_page_mkwrite+0xf07/0x1190
[ 85.976175][ T5340] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 85.978948][ T5340] ? __pfx_ext4_page_mkwrite+0x10/0x10
[ 85.981413][ T5340] do_page_mkwrite+0x14d/0x310
[ 85.983583][ T5340] do_wp_page+0x2676/0x5810
[ 85.985678][ T5340] ? ___pte_offset_map+0x29/0x240
[ 85.988102][ T5340] ? __pfx_do_wp_page+0x10/0x10
[ 85.990416][ T5340] ? do_raw_spin_lock+0x121/0x290
[ 85.992561][ T5340] ? handle_mm_fault+0x1411/0x32b0
[ 85.994698][ T5340] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 85.996956][ T5340] handle_mm_fault+0x14c5/0x32b0
[ 85.999060][ T5340] ? handle_mm_fault+0xdb/0x32b0
[ 86.001204][ T5340] ? __pfx_handle_mm_fault+0x10/0x10
[ 86.003584][ T5340] ? lock_vma_under_rcu+0x42c/0x4a0
[ 86.005905][ T5340] ? __pfx_do_futex+0x10/0x10
[ 86.008034][ T5340] do_user_addr_fault+0xa7c/0x1380
[ 86.010434][ T5340] ? rcu_is_watching+0x15/0xb0
[ 86.012691][ T5340] ? trace_page_fault_user+0x84/0x1c0
[ 86.016085][ T5340] exc_page_fault+0x71/0xd0
[ 86.019965][ T5340] asm_exc_page_fault+0x26/0x30
[ 86.022222][ T5340] RIP: 0033:0x7f26fde555f3
[ 86.024229][ T5340] 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
[ 86.032791][ T5340] RSP: 002b:00007fff5d668690 EFLAGS: 00010246
[ 86.035574][ T5340] RAX: 0000200000000140 RBX: 0000000000000008 RCX: 0000000000000000
[ 86.039134][ T5340] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000055556bd423c8
[ 86.042686][ T5340] RBP: 00007fff5d668798 R08: 0000000000000000 R09: 0000000000000000
[ 86.046325][ T5340] R10: 0000000000000000 R11: 0000000000000001 R12: 00007f26fe1e5fac
[ 86.049678][ T5340] R13: 00007f26fe1e5fa0 R14: fffffffffffffffe R15: 00007fff5d6687e0
[ 86.052956][ T5340]
[ 86.054641][ T5340] Kernel Offset: disabled
[ 86.056671][ T5340] Rebooting in 86400 seconds..