program: syz_mount_image$bfs(&(0x7f00000001c0), &(0x7f0000000400)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x4, &(0x7f0000000600)=ANY=[], 0x8, 0xad, &(0x7f0000000040)="$eJzs0btpA0EUBdC7H/xJ7ALcg3tw6twVbOjQkY3BjlSGOlArKmE7ULCpkhHLrkChEAhJcA7MzA3mwYW33q5e8pSUv6SUUu6SPGbKX98/nx/v490kyTJt7jPZv9y4ej4P486fp7x5y+L/4E8//HZ9la4fyuyChQEAgJPVeZ1TdfxQm6Q5VyMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA67ILAAD//1vZIlc=") (async) open(&(0x7f0000000580)='./bus\x00', 0x46142, 0x0) (async) mount(&(0x7f0000005440)=@loop={'/dev/loop', 0x0}, &(0x7f0000000640)='./bus\x00', 0x0, 0x2001000, 0x0) (async) r0 = open(&(0x7f00000005c0)='./bus\x00', 0x0, 0x545bb0b806b5dd7e) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x7fffffffffffffff, 0x400, 0x0, 0x0, 0x1, 0x0, "ef35af513bb901527fe4d0ce5d29c3ee5e5c3676345a41499db7aac63a01000000000000004faa2ae2c084a0ea0000000000000000000c00", "036c47c678082004000000010000003352010000005499a197fce47ddfdd753abd950100002a00ffffffffffffff0000000200002000", "b7326736381c208220000000b9000000000000000000f0ffffffffff00", [0x4]}) (async) getdents(r0, &(0x7f0000000000)=""/61, 0x3d) (async) r1 = getpid() (async) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x202, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) (async) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000240)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1c, 0x1c, 0x9}, {0x0, [0x5f, 0x5f, 0x5f, 0x61, 0x30, 0x30, 0x30, 0x61, 0x2e, 0x61]}}, &(0x7f0000000300)=""/228, 0x3d, 0xe4, 0x1, 0x5}, 0x28) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_GET_MSRS_cpu(r4, 0xc008ae88, &(0x7f0000000380)={0x1, 0x0, [{0x295, 0x0, 0x100}]}) (async, rerun: 64) syz_pidfd_open(r1, 0x0) (async, rerun: 64) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000040)={[{@nobarrier}, {@resuid}, {@barrier_val={'barrier', 0x3d, 0x9}}]}, 0x1, 0x4b0, &(0x7f0000000b80)="$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") rename(&(0x7f0000000480)='./bus\x00', &(0x7f0000000680)='./file1\x00') (async) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cgroup.controllers\x00', 0x275a, 0x0) ioctl$FS_IOC_SETFLAGS(r5, 0x40086602, &(0x7f00000002c0)=0x2000000) r6 = syz_open_dev$video(&(0x7f0000000000), 0x485, 0x0) ioctl$VIDIOC_S_SELECTION(r6, 0xc040565f, &(0x7f0000000080)={0x9}) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) (async) r7 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r7, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]}) (async, rerun: 64) write$cgroup_int(r5, &(0x7f0000000380), 0x1040c) (async, rerun: 64) close(r5) (async) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe) (async) r8 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r8, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x4000001, 0x8005, 0x0, 0x0, 0x19, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "035f47c6780820d1cbf7966da2dc499b060000002ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00002f00", "f28359738e229a4c66810000000000d300e6d602000004000000000000000001", [0x81, 0x1]}) ioctl$BTRFS_IOC_SNAP_CREATE(0xffffffffffffffff, 0x50009401, 0x0) (async) umount2(&(0x7f0000000040)='.\x00', 0x2) [ 76.318438][ T46] Bluetooth: hci0: command tx timeout [ 76.421455][ T1313] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.425062][ T1313] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.470771][ T5342] loop0: detected capacity change from 0 to 512 [ 76.523802][ T5342] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 76.533115][ T5342] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 76.578576][ T5342] loop0: detected capacity change from 512 to 64 [ 76.623997][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 76.631157][ T5342] EXT4-fs error (device loop0): ext4_splice_branch:479: inode #18: comm syz.0.0: mark_inode_dirty error [ 76.645702][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 76.655752][ T5342] EXT4-fs error (device loop0): ext4_dirty_inode:6502: inode #18: comm syz.0.0: mark_inode_dirty error [ 76.778052][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 76.782824][ T5342] EXT4-fs error (device loop0): ext4_dirty_inode:6502: inode #18: comm syz.0.0: mark_inode_dirty error [ 76.788643][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 76.793435][ T5342] EXT4-fs error (device loop0): ext4_dirty_inode:6502: inode #18: comm syz.0.0: mark_inode_dirty error [ 76.798970][ T5342] EXT4-fs error (device loop0) in ext4_reserve_inode_write:6298: Out of memory [ 76.802840][ T5342] EXT4-fs error (device loop0): ext4_dirty_inode:6502: inode #18: comm syz.0.0: mark_inode_dirty error [ 76.810477][ T5342] syz.0.0: attempt to access beyond end of device [ 76.810477][ T5342] loop0: rw=2049, sector=104, nr_sectors = 24 limit=64 [ 76.816142][ T5342] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 18 starting block 52) [ 76.821801][ T5342] Buffer I/O error on device loop0, logical block 52 [ 76.824836][ T5342] Buffer I/O error on device loop0, logical block 53 [ 76.827654][ T5342] Buffer I/O error on device loop0, logical block 54 [ 76.830508][ T5342] Buffer I/O error on device loop0, logical block 55 [ 76.834003][ T5342] Buffer I/O error on device loop0, logical block 56 [ 76.836622][ T5342] Buffer I/O error on device loop0, logical block 57 [ 76.839198][ T5342] Buffer I/O error on device loop0, logical block 58 [ 76.842118][ T5342] Buffer I/O error on device loop0, logical block 59 [ 76.844911][ T5342] Buffer I/O error on device loop0, logical block 60 [ 76.847909][ T5342] Buffer I/O error on device loop0, logical block 61 [ 76.958703][ T5342] ------------[ cut here ]------------ [ 76.961614][ T5342] kernel BUG at fs/ext4/mballoc.c:4787! [ 76.964019][ T5342] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 76.966692][ T5342] CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.970364][ T5342] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.974726][ T5342] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 76.977464][ T5342] Code: e8 64 61 a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 b6 40 ff 90 0f 0b e8 d8 b6 40 ff 90 0f 0b e8 d0 b6 40 ff 90 <0f> 0b e8 c8 b6 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 76.986168][ T5342] RSP: 0018:ffffc9000b6fe848 EFLAGS: 00010293 [ 76.988752][ T5342] RAX: ffffffff82805090 RBX: 00000000fffffffc RCX: ffff8880008ca4c0 [ 76.992411][ T5342] RDX: 0000000000000000 RSI: 0000000000000044 RDI: 0000000000000040 [ 76.995910][ T5342] RBP: 1ffff1100640eab5 R08: ffff8880320766d3 R09: 1ffff1100640ecda [ 76.999368][ T5342] R10: dffffc0000000000 R11: ffffed100640ecdb R12: 0000000000000000 [ 77.002643][ T5342] R13: 0000000000000044 R14: 1ffff1100640ecdd R15: ffff8880320766e8 [ 77.005915][ T5342] FS: 0000000000000000(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 [ 77.009381][ T5342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.012038][ T5342] CR2: 000055adcc32d168 CR3: 0000000043d0f000 CR4: 0000000000352ef0 [ 77.015703][ T5342] Call Trace: [ 77.017329][ T5342] [ 77.018697][ T5342] ext4_mb_use_preallocated+0x660/0x13f0 [ 77.021215][ T5342] ext4_mb_new_blocks+0x5a1/0x46a0 [ 77.023346][ T5342] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 77.025785][ T5342] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 77.028087][ T5342] ? ext4_block_to_path+0x297/0x6f0 [ 77.030330][ T5342] ext4_ind_map_blocks+0xe22/0x2190 [ 77.032617][ T5342] ? stack_trace_save+0x9c/0xe0 [ 77.034778][ T5342] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 77.037229][ T5342] ? ext4_map_blocks+0x73f/0x16f0 [ 77.039380][ T5342] ? __pfx_down_write+0x10/0x10 [ 77.041585][ T5342] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 77.044074][ T5342] ext4_map_blocks+0x7d2/0x16f0 [ 77.046239][ T5342] ? __pfx_ext4_map_blocks+0x10/0x10 [ 77.048633][ T5342] ? rcu_is_watching+0x15/0xb0 [ 77.050752][ T5342] ? trace_kmem_cache_alloc+0x1f/0xb0 [ 77.053146][ T5342] ? kmem_cache_alloc_noprof+0x3ce/0x710 [ 77.055673][ T5342] ? __ext4_journal_ensure_credits+0x30/0x450 [ 77.058411][ T5342] ext4_do_writepages+0x18bb/0x4500 [ 77.060737][ T5342] ? __pfx_ext4_do_writepages+0x10/0x10 [ 77.063258][ T5342] ? __lock_acquire+0x6b6/0x2cf0 [ 77.065535][ T5342] ? __free_object+0x442/0x5e0 [ 77.067750][ T5342] ? lockdep_hardirqs_on+0x7b/0x110 [ 77.070067][ T5342] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 77.072693][ T5342] ? ext4_writepages+0x1ca/0x350 [ 77.074925][ T5342] ? ext4_writepages+0x1ca/0x350 [ 77.077152][ T5342] ext4_writepages+0x203/0x350 [ 77.079368][ T5342] ? __pfx_ext4_writepages+0x10/0x10 [ 77.081763][ T5342] ? __pfx_ext4_writepages+0x10/0x10 [ 77.084188][ T5342] do_writepages+0x32e/0x550 [ 77.086263][ T5342] __writeback_single_inode+0x133/0x1240 [ 77.088767][ T5342] ? do_raw_spin_unlock+0x4d/0x240 [ 77.091064][ T5342] writeback_single_inode+0x493/0xc70 [ 77.093524][ T5342] write_inode_now+0x160/0x1d0 [ 77.095683][ T5342] ? __pfx_write_inode_now+0x10/0x10 [ 77.098084][ T5342] ? do_raw_spin_unlock+0x4d/0x240 [ 77.100181][ T5342] iput+0xa77/0x1030 [ 77.101833][ T5342] __dentry_kill+0x209/0x660 [ 77.103766][ T5342] ? finish_dput+0xad/0x480 [ 77.105657][ T5342] finish_dput+0xc9/0x480 [ 77.107504][ T5342] __fput+0x68e/0xa70 [ 77.109166][ T5342] task_work_run+0x1d4/0x260 [ 77.111064][ T5342] ? __pfx_task_work_run+0x10/0x10 [ 77.113217][ T5342] ? do_raw_spin_unlock+0x4d/0x240 [ 77.115512][ T5342] do_exit+0x694/0x22f0 [ 77.117363][ T5342] ? kasan_quarantine_put+0xbb/0x1f0 [ 77.119528][ T5342] ? __pfx_do_exit+0x10/0x10 [ 77.121451][ T5342] do_group_exit+0x21c/0x2d0 [ 77.123374][ T5342] ? _raw_spin_unlock_irq+0x23/0x50 [ 77.125496][ T5342] get_signal+0x1285/0x1340 [ 77.127351][ T5342] arch_do_signal_or_restart+0x9a/0x7a0 [ 77.129612][ T5342] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 77.132158][ T5342] ? __pfx_blkdev_ioctl+0x10/0x10 [ 77.134522][ T5342] exit_to_user_mode_loop+0x87/0x4e0 [ 77.136926][ T5342] ? rcu_is_watching+0x15/0xb0 [ 77.139067][ T5342] do_syscall_64+0x2c1/0xf80 [ 77.141117][ T5342] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.143854][ T5342] ? trace_irq_disable+0x37/0x100 [ 77.146096][ T5342] ? clear_bhb_loop+0x60/0xb0 [ 77.148208][ T5342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.150801][ T5342] RIP: 0033:0x7f688258f7c9 [ 77.152766][ T5342] Code: Unable to access opcode bytes at 0x7f688258f79f. [ 77.155846][ T5342] RSP: 002b:00007f687e9d4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.159608][ T5342] RAX: 0000000000000000 RBX: 00007f68827e6090 RCX: 00007f688258f7c9 [ 77.163152][ T5342] RDX: 0000200000000540 RSI: 0000000000004c04 RDI: 000000000000004d [ 77.166689][ T5342] RBP: 00007f6882613f91 R08: 0000000000000000 R09: 0000000000000000 [ 77.170103][ T5342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.173634][ T5342] R13: 00007f68827e6128 R14: 00007f68827e6090 R15: 00007ffd54134f78 [ 77.177193][ T5342] [ 77.178619][ T5342] Modules linked in: [ 77.180896][ T5342] ---[ end trace 0000000000000000 ]--- [ 77.183341][ T5342] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 77.186306][ T5342] Code: e8 64 61 a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 b6 40 ff 90 0f 0b e8 d8 b6 40 ff 90 0f 0b e8 d0 b6 40 ff 90 <0f> 0b e8 c8 b6 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 77.194730][ T5342] RSP: 0018:ffffc9000b6fe848 EFLAGS: 00010293 [ 77.197546][ T5342] RAX: ffffffff82805090 RBX: 00000000fffffffc RCX: ffff8880008ca4c0 [ 77.201012][ T5342] RDX: 0000000000000000 RSI: 0000000000000044 RDI: 0000000000000040 [ 77.204383][ T5342] RBP: 1ffff1100640eab5 R08: ffff8880320766d3 R09: 1ffff1100640ecda [ 77.208013][ T5342] R10: dffffc0000000000 R11: ffffed100640ecdb R12: 0000000000000000 [ 77.211646][ T5342] R13: 0000000000000044 R14: 1ffff1100640ecdd R15: ffff8880320766e8 [ 77.215233][ T5342] FS: 0000000000000000(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 [ 77.219204][ T5342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.222070][ T5342] CR2: 000055adcc32d168 CR3: 0000000043d0f000 CR4: 0000000000352ef0 [ 77.225665][ T5342] Kernel panic - not syncing: Fatal exception [ 77.228649][ T5342] Kernel Offset: disabled [ 77.230421][ T5342] Rebooting in 86400 seconds..