program: open(&(0x7f0000000100)='./bus\x00', 0xc442, 0x106) r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r0) readv(0xffffffffffffffff, &(0x7f0000000200)=[{&(0x7f0000000100)=""/35, 0x23}], 0x1) ptrace$setregs(0xd, r0, 0x2, &(0x7f0000000180)) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x8000}}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") open(&(0x7f0000000180)='./bus\x00', 0x4a37e, 0x4) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close(0x3) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000200), 0xfea7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8, 0xfffffffffffffffe]}) close(0x3) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000000c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r4, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_START_AP(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000007c0)={0x1c, r4, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}}, 0x1c}}, 0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) close_range(r6, 0xffffffffffffffff, 0x0) ptrace$cont(0x21, r0, 0x5, 0x4) r7 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x28100, 0x0) r8 = ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) r9 = ioctl$KVM_CREATE_VCPU(r8, 0xae41, 0x0) sendmsg$TIPC_NL_LINK_RESET_STATS(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000600)={&(0x7f0000000240)={0x324, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@TIPC_NLA_MEDIA={0x30, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x2c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x1}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x17}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x23}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xc334}]}]}, @TIPC_NLA_NODE={0x11c, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_REKEYING={0x8, 0x6, 0x9}, @TIPC_NLA_NODE_KEY_MASTER={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ID={0x100, 0x3, "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"}, @TIPC_NLA_NODE_REKEYING={0x8, 0x6, 0xb9d}]}, @TIPC_NLA_SOCK={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x3}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x4}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x5}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}]}, @TIPC_NLA_NODE={0xc, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY_MASTER={0x4}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}, @TIPC_NLA_MEDIA={0xa0, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x34, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x3}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1e}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x8001}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x727}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x20}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xfffffffa}]}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x34, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x36e}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x9}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x200}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x579}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xa}]}]}, @TIPC_NLA_NODE={0xf4, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ID={0xcf, 0x3, "8b1243cb87333b9692d0f33ef7807756e9eea93c37d69ac0410b9b6270a982de5fca4fbab6018b397b0aecef067fdf4935f278fcf4bdb15d2f0ab08fd083ef6290b51c94d438aff2b9db26668567495f08010d02057faeea96bfcefe707e96a9b818ffe9125feaa061e7289a2fb7f84bcc53183dcaee7b039acef8b2996b46ef0de60cc6ca685430c0b6ed52b2e729236f06b72284f33535c20e69320b6ca9fef105266bda5508a7ebcc4b8bb3ca4d5dd69453f359f00f5ca9ac0c3ea3d93ec9120dc9968f3a3874f13afd"}, @TIPC_NLA_NODE_KEY_MASTER={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x8000}, @TIPC_NLA_NODE_KEY_MASTER={0x4}, @TIPC_NLA_NODE_REKEYING={0x8, 0x6, 0xec1e}]}]}, 0x324}, 0x1, 0x0, 0x0, 0x4008810}, 0x800) ioctl$KVM_SET_SIGNAL_MASK(r9, 0x4004ae8b, 0x0) [ 80.391220][ T5319] loop0: detected capacity change from 0 to 512 [ 80.465103][ T4648] Bluetooth: hci0: command tx timeout [ 80.526734][ T5319] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 80.527489][ T5319] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 80.529480][ T5319] EXT4-fs error (device loop0): ext4_orphan_get:1408: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 80.529627][ T5319] loop0: lost filesystem error report for type 5 error -117 [ 80.532408][ T5319] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 80.594349][ T5319] loop0: detected capacity change from 512 to 64 [ 80.642178][ T5319] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 80.649191][ T5319] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 80.656588][ T5319] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 80.662516][ T5319] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 80.669255][ T5319] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 80.686813][ T5319] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2537: inode #19: comm syz.0.0: mark_inode_dirty error [ 80.695605][ T5319] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2541: comm syz.0.0: Failed to mark inode 19 dirty [ 80.702641][ T5319] syz.0.0: attempt to access beyond end of device [ 80.702641][ T5319] loop0: rw=1, sector=258, nr_sectors = 24 limit=64 [ 80.709295][ T5319] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 19 starting block 129) [ 80.715746][ T5319] Buffer I/O error on device loop0, logical block 129 [ 80.715786][ T5319] Buffer I/O error on device loop0, logical block 130 [ 80.715796][ T5319] Buffer I/O error on device loop0, logical block 131 [ 80.715803][ T5319] Buffer I/O error on device loop0, logical block 132 [ 80.715810][ T5319] Buffer I/O error on device loop0, logical block 133 [ 80.715817][ T5319] Buffer I/O error on device loop0, logical block 134 [ 80.715825][ T5319] Buffer I/O error on device loop0, logical block 135 [ 80.715832][ T5319] Buffer I/O error on device loop0, logical block 136 [ 80.715861][ T5319] Buffer I/O error on device loop0, logical block 137 [ 80.715870][ T5319] Buffer I/O error on device loop0, logical block 138 [ 80.881493][ T25] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:2: corrupted inode contents [ 80.893120][ T25] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 80.899852][ T25] ------------[ cut here ]------------ [ 80.899899][ T25] kernel BUG at fs/ext4/mballoc.c:4781! [ 80.899939][ T25] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 80.907396][ T25] CPU: 0 UID: 0 PID: 25 Comm: kworker/u4:2 Not tainted syzkaller #0 PREEMPT(full) [ 80.911218][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.915576][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 80.918161][ T25] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 80.920618][ T25] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 80.928258][ T25] RSP: 0018:ffffc9000032e540 EFLAGS: 00010293 [ 80.930641][ T25] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: ffff88801bbe0000 [ 80.933791][ T25] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 80.937089][ T25] RBP: 1ffff11008822729 R08: ffff888044117efb R09: 1ffff11008822fdf [ 80.940284][ T25] R10: dffffc0000000000 R11: ffffed1008822fe0 R12: 0000000000000000 [ 80.943533][ T25] R13: 0000000000000034 R14: 1ffff11008822fe2 R15: ffff888044117f10 [ 80.946980][ T25] FS: 0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 80.950746][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.953429][ T25] CR2: 00007fd3cdc3bfe8 CR3: 0000000050dd9000 CR4: 0000000000352ef0 [ 80.956862][ T25] Call Trace: [ 80.958351][ T25] [ 80.959655][ T25] ext4_mb_use_preallocated+0x638/0x13e0 [ 80.962079][ T25] ext4_mb_new_blocks+0x5a0/0x4530 [ 80.964127][ T25] ? rcu_is_watching+0x16/0xb0 [ 80.966094][ T25] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 80.968402][ T25] ? unwind_next_frame+0x1baf/0x2550 [ 80.970736][ T25] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 80.973122][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 80.975342][ T25] ? ext4_block_to_path+0x382/0x700 [ 80.977580][ T25] ext4_ind_map_blocks+0xe96/0x22a0 [ 80.979898][ T25] ? lockdep_unlock+0x5c/0xd0 [ 80.981911][ T25] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 80.984161][ T25] ? down_write+0x16b/0x200 [ 80.986004][ T25] ext4_map_create_blocks+0xbb/0x530 [ 80.987923][ T25] ? ext4_fc_track_inode+0xf3/0x3f0 [ 80.989962][ T25] ext4_map_blocks+0x791/0x12c0 [ 80.992000][ T25] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 80.994237][ T25] ? __pfx_ext4_map_blocks+0x10/0x10 [ 80.996353][ T25] ? kmem_cache_alloc_noprof+0x156/0x600 [ 80.998669][ T25] ext4_do_writepages+0x1901/0x4770 [ 81.000747][ T25] ? __pfx_ext4_do_writepages+0x10/0x10 [ 81.003039][ T25] ? __lock_acquire+0x6df/0x2e50 [ 81.005340][ T25] ? __pfx_hlock_conflict+0x10/0x10 [ 81.007865][ T25] ? lock_acquire+0x115/0x350 [ 81.010128][ T25] ext4_writepages+0x241/0x3b0 [ 81.012476][ T25] ? __pfx_ext4_writepages+0x10/0x10 [ 81.015061][ T25] ? irqentry_exit+0x218/0x910 [ 81.017450][ T25] ? __pfx_ext4_writepages+0x10/0x10 [ 81.020018][ T25] do_writepages+0x338/0x560 [ 81.022009][ T25] ? reacquire_held_locks+0x117/0x1a0 [ 81.024213][ T25] ? writeback_sb_inodes+0x450/0x1b00 [ 81.026601][ T25] __writeback_single_inode+0x136/0x1220 [ 81.029145][ T25] ? do_raw_spin_unlock+0x4d/0x200 [ 81.031425][ T25] writeback_sb_inodes+0x9de/0x1b00 [ 81.033798][ T25] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 81.036340][ T25] ? __pfx_down_read_trylock+0x10/0x10 [ 81.038717][ T25] ? __pfx___up_read+0x10/0x10 [ 81.041000][ T25] __writeback_inodes_wb+0x114/0x240 [ 81.043296][ T25] wb_writeback+0x42f/0xad0 [ 81.045802][ T25] ? queue_io+0x2a1/0x470 [ 81.047811][ T25] ? __pfx_wb_writeback+0x10/0x10 [ 81.050008][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 81.052278][ T25] wb_workfn+0x980/0x10f0 [ 81.054256][ T25] ? __pfx_wb_workfn+0x10/0x10 [ 81.056334][ T25] ? rcu_is_watching+0x16/0xb0 [ 81.058311][ T25] ? trace_hrtimer_start+0x82/0x200 [ 81.060525][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 81.062621][ T25] ? lock_acquire+0x115/0x350 [ 81.064670][ T25] ? rcu_is_watching+0x16/0xb0 [ 81.066798][ T25] ? process_scheduled_works+0x97a/0x1630 [ 81.069107][ T25] process_scheduled_works+0xc3d/0x1630 [ 81.071555][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 81.074122][ T25] ? assign_work+0x3cf/0x5d0 [ 81.076134][ T25] worker_thread+0xa47/0xfb0 [ 81.078167][ T25] kthread+0x38b/0x480 [ 81.079914][ T25] ? __pfx_worker_thread+0x10/0x10 [ 81.082173][ T25] ? __pfx_kthread+0x10/0x10 [ 81.084193][ T25] ret_from_fork+0x514/0xb70 [ 81.086262][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 81.088431][ T25] ? __switch_to+0xc89/0x1420 [ 81.090483][ T25] ? __pfx_kthread+0x10/0x10 [ 81.092463][ T25] ret_from_fork_asm+0x1a/0x30 [ 81.094514][ T25] [ 81.095874][ T25] Modules linked in: [ 81.098040][ T25] ---[ end trace 0000000000000000 ]--- [ 81.100373][ T25] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 81.100432][ T25] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 81.100460][ T25] RSP: 0018:ffffc9000032e540 EFLAGS: 00010293 [ 81.100510][ T25] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: ffff88801bbe0000 [ 81.100538][ T25] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 81.100565][ T25] RBP: 1ffff11008822729 R08: ffff888044117efb R09: 1ffff11008822fdf [ 81.100594][ T25] R10: dffffc0000000000 R11: ffffed1008822fe0 R12: 0000000000000000 [ 81.100621][ T25] R13: 0000000000000034 R14: 1ffff11008822fe2 R15: ffff888044117f10 [ 81.100649][ T25] FS: 0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 81.100678][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.100705][ T25] CR2: 00007fd3cdc3bfe8 CR3: 0000000050dd9000 CR4: 0000000000352ef0 [ 81.100762][ T25] Kernel panic - not syncing: Fatal exception [ 81.144094][ T25] Kernel Offset: disabled [ 81.145981][ T25] Rebooting in 86400 seconds..