program: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000600), 0x1, 0x56e, &(0x7f0000000bc0)="$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") openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cpu.stat\x00', 0x275a, 0x0) (async) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cpu.stat\x00', 0x275a, 0x0) ftruncate(r0, 0x201bf) (async) ftruncate(r0, 0x201bf) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$FBIOGET_FSCREENINFO(r0, 0x4602, &(0x7f0000000200)) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x131) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket(0x11, 0x3, 0x0) ioctl$sock_SIOCETHTOOL(r6, 0x8946, &(0x7f0000000100)={'syz_tun\x00', &(0x7f0000000000)=@ethtool_link_settings={0x4d, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x4, [0x5, 0x0, 0x0, 0xffffffff], [0x3fb]}}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000240), 0xffffffffffffffff) (async) r7 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="34fd5fd27ec52007be60ef1e5fb639e6411881a1b6c4802ed8422b56e81170a096f41a3ffe93b76d94da8ffe49ebdffe31ccd39f5cc2a6600b4351b08deea5127da9860bba93f1bfc9afa2feba42a2660000", @ANYRES16=r7, @ANYBLOB="0100000000000000000005000000180001801400020073797a5f74756e0000000000000000000800090001000000"], 0x34}}, 0x0) ioctl$LOOP_SET_STATUS64(r4, 0x4c04, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x8005, 0x0, 0x0, 0x19, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) (async) r8 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) pipe2$watch_queue(&(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000004c0)={0x0, 0x6}, &(0x7f0000000500)=0x8) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r9, 0x84, 0x5, &(0x7f0000000640)={r10, @in6={{0xa, 0x4e21, 0x5, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x10}}}, 0x84) (async) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r9, 0x84, 0x5, &(0x7f0000000640)={r10, @in6={{0xa, 0x4e21, 0x5, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x10}}}, 0x84) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0) (async) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) [ 85.984193][ T4684] Bluetooth: hci0: command tx timeout [ 86.189453][ T5344] loop0: detected capacity change from 0 to 512 [ 86.247467][ T5344] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 86.259098][ T5344] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 86.315175][ T5344] loop0: detected capacity change from 512 to 64 [ 86.361769][ T1125] EXT4-fs error (device loop0): ext4_validate_block_bitmap:423: comm kworker/u4:11: bg 0: bad block bitmap checksum [ 86.369996][ T1125] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 86.382732][ T1125] EXT4-fs (loop0): This should not happen!! Data will be lost [ 86.382732][ T1125] [ 86.405518][ T5344] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 86.411298][ T1125] EXT4-fs (loop0): Total free blocks count 0 [ 86.413832][ T1125] EXT4-fs (loop0): Free/Dirty block details [ 86.427799][ T1125] EXT4-fs (loop0): free_blocks=0 [ 86.430033][ T1125] EXT4-fs (loop0): dirty_blocks=4 [ 86.432318][ T1125] EXT4-fs (loop0): Block reservation details [ 86.438369][ T5344] EXT4-fs error (device loop0): ext4_setattr:5984: inode #18: comm syz.0.0: mark_inode_dirty error [ 86.454974][ T1125] EXT4-fs (loop0): i_reserved_data_blocks=4 [ 86.458523][ T5344] EXT4-fs error (device loop0) in ext4_setattr:6035: Out of memory [ 86.474732][ T5344] ------------[ cut here ]------------ [ 86.477561][ T5344] WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x202/0xe10, CPU#0: syz.0.0/5344 [ 86.481783][ T5344] Modules linked in: [ 86.484048][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.488153][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.492839][ T5344] RIP: 0010:__folio_mark_dirty+0x202/0xe10 [ 86.495518][ T5344] 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 [ 86.504022][ T5344] RSP: 0018:ffffc9000e35f5d0 EFLAGS: 00010093 [ 86.506674][ T5344] RAX: ffffffff81fecab1 RBX: ffffea0000446740 RCX: ffff88803aa4c980 [ 86.510270][ T5344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 86.513716][ T5344] RBP: ffff88801171ab38 R08: ffffea0000446747 R09: 1ffffd4000088ce8 [ 86.517156][ T5344] R10: dffffc0000000000 R11: fffff94000088ce9 R12: dffffc0000000000 [ 86.520771][ T5344] R13: ffff88801171ab40 R14: 0000000000000000 R15: 0000000000000001 [ 86.524491][ T5344] FS: 00007f55dc4266c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000 [ 86.528467][ T5344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.531367][ T5344] CR2: 0000200000000380 CR3: 000000000b755000 CR4: 0000000000352ef0 [ 86.535134][ T5344] Call Trace: [ 86.536642][ T5344] [ 86.537902][ T5344] ? do_raw_spin_unlock+0x4d/0x240 [ 86.540053][ T5344] block_dirty_folio+0x17a/0x1d0 [ 86.542381][ T5344] ext4_page_mkwrite+0xf07/0x1190 [ 86.544983][ T5344] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 86.547864][ T5344] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 86.550297][ T5344] do_page_mkwrite+0x14d/0x310 [ 86.552325][ T5344] do_wp_page+0x2676/0x5810 [ 86.554396][ T5344] ? __pfx_do_wp_page+0x10/0x10 [ 86.557163][ T5344] ? do_raw_spin_lock+0x121/0x290 [ 86.559708][ T5344] ? handle_mm_fault+0x1411/0x32b0 [ 86.561960][ T5344] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 86.564335][ T5344] handle_mm_fault+0x14c5/0x32b0 [ 86.566422][ T5344] ? handle_mm_fault+0xdb/0x32b0 [ 86.568520][ T5344] ? __pfx_handle_mm_fault+0x10/0x10 [ 86.570869][ T5344] ? lock_mm_and_find_vma+0x9c/0x300 [ 86.573235][ T5344] do_user_addr_fault+0x764/0x1380 [ 86.575641][ T5344] exc_page_fault+0x82/0x100 [ 86.577680][ T5344] asm_exc_page_fault+0x26/0x30 [ 86.579644][ T5344] RIP: 0010:rep_movs_alternative+0x33/0x90 [ 86.582245][ T5344] Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb [ 86.590731][ T5344] RSP: 0018:ffffc9000e35fdc8 EFLAGS: 00050246 [ 86.593503][ T5344] RAX: 0000000f0000000e RBX: 0000000000000008 RCX: 0000000000000008 [ 86.596983][ T5344] RDX: 0000000000000000 RSI: ffffc9000e35fe20 RDI: 0000200000000380 [ 86.600190][ T5344] RBP: ffffc9000e35feb0 R08: ffffc9000e35fe27 R09: 1ffff92001c6bfc4 [ 86.603449][ T5344] R10: dffffc0000000000 R11: fffff52001c6bfc5 R12: 0000200000000388 [ 86.606135][ T5344] R13: 00007ffffffff000 R14: ffffc9000e35fe20 R15: 0000200000000380 [ 86.609334][ T5344] _copy_to_user+0x8a/0xb0 [ 86.611192][ T5344] do_pipe2+0xc2/0x170 [ 86.613097][ T5344] ? __pfx_do_pipe2+0x10/0x10 [ 86.615340][ T5344] ? rcu_is_watching+0x15/0xb0 [ 86.617558][ T5344] __x64_sys_pipe2+0x5a/0x70 [ 86.619634][ T5344] do_syscall_64+0xfa/0xf80 [ 86.621778][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.624492][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 86.626546][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.629193][ T5344] RIP: 0033:0x7f55db58f7c9 [ 86.631195][ T5344] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 86.639416][ T5344] RSP: 002b:00007f55dc426038 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 86.643051][ T5344] RAX: ffffffffffffffda RBX: 00007f55db7e5fa0 RCX: 00007f55db58f7c9 [ 86.646594][ T5344] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000200000000380 [ 86.650775][ T5344] RBP: 00007f55db613f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.653790][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.657787][ T5344] R13: 00007f55db7e6038 R14: 00007f55db7e5fa0 R15: 00007ffeb28d22f8 [ 86.661489][ T5344] [ 86.663010][ T5344] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 86.666531][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.670244][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.674696][ T5344] Call Trace: [ 86.676286][ T5344] [ 86.677687][ T5344] dump_stack_lvl+0x99/0x250 [ 86.679863][ T5344] ? __asan_memcpy+0x40/0x70 [ 86.681991][ T5344] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.684274][ T5344] ? __pfx__printk+0x10/0x10 [ 86.686288][ T5344] vpanic+0x237/0x6d0 [ 86.688182][ T5344] ? __pfx_vpanic+0x10/0x10 [ 86.690222][ T5344] ? is_bpf_text_address+0x292/0x2b0 [ 86.692600][ T5344] ? is_bpf_text_address+0x26/0x2b0 [ 86.694815][ T5344] panic+0xb9/0xc0 [ 86.696426][ T5344] ? __pfx_panic+0x10/0x10 [ 86.698096][ T5344] __warn+0x317/0x4b0 [ 86.699830][ T5344] ? __folio_mark_dirty+0x202/0xe10 [ 86.702317][ T5344] ? __folio_mark_dirty+0x202/0xe10 [ 86.704651][ T5344] __report_bug+0x288/0x500 [ 86.706724][ T5344] ? __folio_mark_dirty+0x202/0xe10 [ 86.709036][ T5344] ? __pfx___report_bug+0x10/0x10 [ 86.711150][ T5344] ? do_raw_spin_lock+0x121/0x290 [ 86.713327][ T5344] ? __folio_mark_dirty+0x202/0xe10 [ 86.715875][ T5344] report_bug+0x16a/0x220 [ 86.717913][ T5344] ? __folio_mark_dirty+0x202/0xe10 [ 86.720279][ T5344] ? __folio_mark_dirty+0x204/0xe10 [ 86.722639][ T5344] handle_bug+0x98/0x200 [ 86.724685][ T5344] exc_invalid_op+0x1a/0x50 [ 86.726775][ T5344] asm_exc_invalid_op+0x1a/0x20 [ 86.729159][ T5344] RIP: 0010:__folio_mark_dirty+0x202/0xe10 [ 86.731859][ T5344] 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 [ 86.740639][ T5344] RSP: 0018:ffffc9000e35f5d0 EFLAGS: 00010093 [ 86.743550][ T5344] RAX: ffffffff81fecab1 RBX: ffffea0000446740 RCX: ffff88803aa4c980 [ 86.747126][ T5344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 86.750732][ T5344] RBP: ffff88801171ab38 R08: ffffea0000446747 R09: 1ffffd4000088ce8 [ 86.754472][ T5344] R10: dffffc0000000000 R11: fffff94000088ce9 R12: dffffc0000000000 [ 86.758505][ T5344] R13: ffff88801171ab40 R14: 0000000000000000 R15: 0000000000000001 [ 86.763056][ T5344] ? __folio_mark_dirty+0x201/0xe10 [ 86.765970][ T5344] ? do_raw_spin_unlock+0x4d/0x240 [ 86.768864][ T5344] block_dirty_folio+0x17a/0x1d0 [ 86.771568][ T5344] ext4_page_mkwrite+0xf07/0x1190 [ 86.773393][ T5344] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 86.775825][ T5344] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 86.778270][ T5344] do_page_mkwrite+0x14d/0x310 [ 86.780463][ T5344] do_wp_page+0x2676/0x5810 [ 86.782557][ T5344] ? __pfx_do_wp_page+0x10/0x10 [ 86.784516][ T5344] ? do_raw_spin_lock+0x121/0x290 [ 86.786563][ T5344] ? handle_mm_fault+0x1411/0x32b0 [ 86.788545][ T5344] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 86.790759][ T5344] handle_mm_fault+0x14c5/0x32b0 [ 86.792910][ T5344] ? handle_mm_fault+0xdb/0x32b0 [ 86.794999][ T5344] ? __pfx_handle_mm_fault+0x10/0x10 [ 86.797246][ T5344] ? lock_mm_and_find_vma+0x9c/0x300 [ 86.799487][ T5344] do_user_addr_fault+0x764/0x1380 [ 86.801731][ T5344] exc_page_fault+0x82/0x100 [ 86.803902][ T5344] asm_exc_page_fault+0x26/0x30 [ 86.805995][ T5344] RIP: 0010:rep_movs_alternative+0x33/0x90 [ 86.808310][ T5344] Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb [ 86.816489][ T5344] RSP: 0018:ffffc9000e35fdc8 EFLAGS: 00050246 [ 86.818934][ T5344] RAX: 0000000f0000000e RBX: 0000000000000008 RCX: 0000000000000008 [ 86.822452][ T5344] RDX: 0000000000000000 RSI: ffffc9000e35fe20 RDI: 0000200000000380 [ 86.825732][ T5344] RBP: ffffc9000e35feb0 R08: ffffc9000e35fe27 R09: 1ffff92001c6bfc4 [ 86.829063][ T5344] R10: dffffc0000000000 R11: fffff52001c6bfc5 R12: 0000200000000388 [ 86.832351][ T5344] R13: 00007ffffffff000 R14: ffffc9000e35fe20 R15: 0000200000000380 [ 86.835769][ T5344] _copy_to_user+0x8a/0xb0 [ 86.837766][ T5344] do_pipe2+0xc2/0x170 [ 86.839633][ T5344] ? __pfx_do_pipe2+0x10/0x10 [ 86.841695][ T5344] ? rcu_is_watching+0x15/0xb0 [ 86.843888][ T5344] __x64_sys_pipe2+0x5a/0x70 [ 86.846038][ T5344] do_syscall_64+0xfa/0xf80 [ 86.848110][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.850791][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 86.852934][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.855356][ T5344] RIP: 0033:0x7f55db58f7c9 [ 86.857376][ T5344] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 86.865734][ T5344] RSP: 002b:00007f55dc426038 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 86.869246][ T5344] RAX: ffffffffffffffda RBX: 00007f55db7e5fa0 RCX: 00007f55db58f7c9 [ 86.872918][ T5344] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000200000000380 [ 86.875873][ T5344] RBP: 00007f55db613f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.878911][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.882449][ T5344] R13: 00007f55db7e6038 R14: 00007f55db7e5fa0 R15: 00007ffeb28d22f8 [ 86.886158][ T5344] [ 86.887967][ T5344] Kernel Offset: disabled [ 86.889982][ T5344] Rebooting in 86400 seconds..