program: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff7000/0x2000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ff7000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff7000/0x1000)=nil, 0x0}, 0x68) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x10, 0x4, &(0x7f0000000040)=ANY=[], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xd}, 0x94) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, &(0x7f0000000300)={0x3, 0x40, 0xfa00, {{0xa, 0xfffb, 0x5, @mcast2, 0xa098}, {0xa, 0x4ea5, 0x9, @local, 0x80000000}, 0xffffffffffffffff, 0x8001}}, 0x48) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x24004045) connect$bt_sco(0xffffffffffffffff, &(0x7f0000000100), 0x8) io_uring_setup(0x1b7b, &(0x7f0000000040)={0x0, 0xe52a, 0x1f480, 0x0, 0x101399}) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x60000000, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x2}, 0x50) io_uring_enter(r0, 0x8ae, 0x6831, 0x17, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_PAUSE_SET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)={0x34, r4, 0x431, 0x70bd26, 0x25dfdbf8, {}, [@ETHTOOL_A_PAUSE_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_PAUSE_RX={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x2000c010}, 0x20000000) syz_genetlink_get_family_id$ieee802154(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$IEEE802154_LLSEC_DEL_SECLEVEL(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000380)={&(0x7f0000000580)=ANY=[@ANYBLOB="0000b9b67a142e4f0836ee4496b0cd7355880aedcaab0409b94c34eca6b1e170b413be5abcde887713c65f7e3a9682039a87bf3519bee9973acfc5f22d71c87fc1139f66973e", @ANYRES32=r1, @ANYBLOB="000125bd7000fedbdf2531000000050034000600000005003300400000000500360000000000050036000000000005003500050000000a0001007770616e34000000"], 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4000) sendmsg$kcm(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000b80)=[{&(0x7f00000002c0)="596689ebcc", 0x5}], 0x1}, 0x840) r5 = memfd_create(&(0x7f0000000000)='e\xf4E\x88-\x00', 0x0) socket$nl_route(0x10, 0x3, 0x0) syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000400)=0x7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r6 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r6, 0x4c04, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r7 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r7, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) pwritev(r5, &(0x7f00000003c0)=[{&(0x7f0000000280)="11", 0x1}], 0x1, 0x4000001, 0x0) sendfile(r0, r5, 0x0, 0x8000fb00) [ 178.749273][ T5302] Bluetooth: hci0: command tx timeout [ 178.835171][ T5337] loop0: detected capacity change from 0 to 512 [ 178.860016][ T5337] EXT4-fs (loop0): invalid journal inode [ 178.869062][ T5337] EXT4-fs (loop0): can't get journal size [ 178.895146][ T5337] EXT4-fs (loop0): 1 truncate cleaned up [ 178.898608][ T5337] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 178.933674][ T5337] loop0: detected capacity change from 512 to 64 [ 178.949115][ T5337] syz.0.0: attempt to access beyond end of device [ 178.949115][ T5337] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 178.956761][ T5337] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 178.962487][ T5337] Buffer I/O error on device loop0, logical block 36 [ 178.965949][ T5337] syz.0.0: attempt to access beyond end of device [ 178.965949][ T5337] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 178.971137][ T5337] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 178.977417][ T5337] Buffer I/O error on device loop0, logical block 39 [ 178.981933][ T5337] syz.0.0: attempt to access beyond end of device [ 178.981933][ T5337] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 178.987075][ T5337] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 178.991106][ T5337] Buffer I/O error on device loop0, logical block 40 [ 178.993861][ T5337] Buffer I/O error on device loop0, logical block 41 [ 178.996659][ T5337] Buffer I/O error on device loop0, logical block 42 [ 178.999355][ T5337] Buffer I/O error on device loop0, logical block 43 [ 179.002758][ T5337] Buffer I/O error on device loop0, logical block 44 [ 179.005501][ T5337] Buffer I/O error on device loop0, logical block 45 [ 179.008278][ T5337] Buffer I/O error on device loop0, logical block 46 [ 179.011009][ T5337] Buffer I/O error on device loop0, logical block 47 [ 179.124482][ T5337] ------------[ cut here ]------------ [ 179.127382][ T5337] kernel BUG at fs/ext4/mballoc.c:4780! [ 179.129482][ T5337] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 179.131926][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 179.135522][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 179.139663][ T5337] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 179.142352][ T5337] Code: e8 16 81 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 92 4e 34 ff 90 0f 0b e8 8a 4e 34 ff 90 0f 0b e8 82 4e 34 ff 90 <0f> 0b e8 7a 4e 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 179.150392][ T5337] RSP: 0000:ffffc9000dfa66a0 EFLAGS: 00010283 [ 179.152825][ T5337] RAX: ffffffff8292d69e RBX: 00000000fffffffe RCX: 0000000000100000 [ 179.156148][ T5337] RDX: ffffc9000f739000 RSI: 000000000000d4aa RDI: 000000000000d4ab [ 179.159405][ T5337] RBP: 1ffff110087b32ef R08: ffff888043d9defb R09: 1ffff110087b3bdf [ 179.162778][ T5337] R10: dffffc0000000000 R11: ffffed10087b3be0 R12: 0000000000000000 [ 179.165790][ T5337] R13: 0000000000000074 R14: 1ffff110087b3be2 R15: ffff888043d9df10 [ 179.168986][ T5337] FS: 00007fcf69bed6c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 179.172514][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.175223][ T5337] CR2: 00007fcf69bcbff8 CR3: 00000000439a6000 CR4: 0000000000352ef0 [ 179.178233][ T5337] Call Trace: [ 179.179571][ T5337] [ 179.180833][ T5337] ext4_mb_use_preallocated+0x638/0x13e0 [ 179.183100][ T5337] ext4_mb_new_blocks+0x5a0/0x4530 [ 179.184829][ T5337] ? rcu_is_watching+0x15/0xb0 [ 179.186401][ T5337] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 179.188472][ T5337] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 179.190466][ T5337] ? ext4_block_to_path+0x382/0x700 [ 179.192607][ T5337] ext4_ind_map_blocks+0xe96/0x22a0 [ 179.194811][ T5337] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 179.197059][ T5337] ? kasan_save_track+0x4f/0x80 [ 179.199019][ T5337] ? ext4_map_blocks+0x7cc/0x1240 [ 179.201127][ T5337] ? down_write+0x16d/0x200 [ 179.203088][ T5337] ext4_map_create_blocks+0xbb/0x530 [ 179.205315][ T5337] ? ext4_fc_track_inode+0xf3/0x3f0 [ 179.207377][ T5337] ext4_map_blocks+0x7e4/0x1240 [ 179.209097][ T5337] ? __pfx_ext4_map_blocks+0x10/0x10 [ 179.211080][ T5337] ? __ext4_journal_ensure_credits+0x30/0x450 [ 179.213335][ T5337] ext4_do_writepages+0x19e3/0x47a0 [ 179.215446][ T5337] ? __lock_acquire+0x683/0x2cf0 [ 179.217508][ T5337] ? __pfx_ext4_do_writepages+0x10/0x10 [ 179.219772][ T5337] ? __lock_acquire+0x683/0x2cf0 [ 179.221807][ T5337] ? __free_object+0x432/0x5d0 [ 179.223848][ T5337] ? lockdep_hardirqs_on+0x7a/0x110 [ 179.225942][ T5337] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 179.228339][ T5337] ? debug_object_free+0x29c/0x340 [ 179.230470][ T5337] ? ext4_writepages+0x205/0x3b0 [ 179.232504][ T5337] ? ext4_writepages+0x205/0x3b0 [ 179.234669][ T5337] ext4_writepages+0x241/0x3b0 [ 179.236568][ T5337] ? __pfx_ext4_writepages+0x10/0x10 [ 179.238532][ T5337] ? __pfx_ext4_writepages+0x10/0x10 [ 179.240603][ T5337] do_writepages+0x338/0x560 [ 179.242361][ T5337] ? do_raw_spin_unlock+0x4d/0x210 [ 179.244412][ T5337] file_write_and_wait_range+0x36e/0x440 [ 179.246378][ T5337] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 179.248661][ T5337] ? __folio_put+0x4b3/0x590 [ 179.250311][ T5337] ? __pfx_ext4_write_begin+0x10/0x10 [ 179.252217][ T5337] mmb_fsync_noflush+0x73/0x1d0 [ 179.253948][ T5337] ext4_sync_file+0x41a/0xd00 [ 179.255817][ T5337] ? __pfx_ext4_sync_file+0x10/0x10 [ 179.257832][ T5337] ? ext4_buffered_write_iter+0xd6/0x370 [ 179.260020][ T5337] ? sync_lazytime+0x5a/0x4c0 [ 179.261925][ T5337] ext4_buffered_write_iter+0x2c7/0x370 [ 179.264193][ T5337] ext4_file_write_iter+0x947/0x1c70 [ 179.266316][ T5337] ? __lock_acquire+0x683/0x2cf0 [ 179.268241][ T5337] ? __futex_wait+0x358/0x400 [ 179.270066][ T5337] ? __pfx_aa_file_perm+0x10/0x10 [ 179.272067][ T5337] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 179.274482][ T5337] ? __pfx___futex_wait+0x10/0x10 [ 179.276513][ T5337] do_iter_readv_writev+0x612/0x8c0 [ 179.278671][ T5337] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 179.281049][ T5337] vfs_writev+0x343/0x990 [ 179.282897][ T5337] ? __pfx_vfs_writev+0x10/0x10 [ 179.284961][ T5337] ? __fget_files+0x2a/0x420 [ 179.286924][ T5337] ? __fget_files+0x3a2/0x420 [ 179.288869][ T5337] ? __fget_files+0x2a/0x420 [ 179.290833][ T5337] __se_sys_pwritev2+0x177/0x2a0 [ 179.292934][ T5337] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 179.295221][ T5337] ? __x64_sys_pwritev2+0x20/0xc0 [ 179.297364][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 179.299953][ T5337] do_syscall_64+0x174/0x580 [ 179.301905][ T5337] ? trace_irq_disable+0x3b/0x140 [ 179.304016][ T5337] ? clear_bhb_loop+0x40/0x90 [ 179.306007][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 179.308475][ T5337] RIP: 0033:0x7fcf68d9e019 [ 179.310368][ T5337] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 179.318270][ T5337] RSP: 002b:00007fcf69becfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 179.321693][ T5337] RAX: ffffffffffffffda RBX: 00007fcf69025fa0 RCX: 00007fcf68d9e019 [ 179.324967][ T5337] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 000000000000000c [ 179.328235][ T5337] RBP: 00007fcf68e3500c R08: 000000000000000c R09: 0000000000000004 [ 179.331475][ T5337] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 179.334878][ T5337] R13: 00007fcf69026038 R14: 00007fcf69025fa0 R15: 00007ffc131b30b8 [ 179.338152][ T5337] [ 179.339471][ T5337] Modules linked in: [ 179.342590][ T5337] ---[ end trace 0000000000000000 ]--- [ 179.344981][ T5337] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 179.347591][ T5337] Code: e8 16 81 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 92 4e 34 ff 90 0f 0b e8 8a 4e 34 ff 90 0f 0b e8 82 4e 34 ff 90 <0f> 0b e8 7a 4e 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 179.356277][ T5337] RSP: 0000:ffffc9000dfa66a0 EFLAGS: 00010283 [ 179.358894][ T5337] RAX: ffffffff8292d69e RBX: 00000000fffffffe RCX: 0000000000100000 [ 179.362212][ T5337] RDX: ffffc9000f739000 RSI: 000000000000d4aa RDI: 000000000000d4ab [ 179.365665][ T5337] RBP: 1ffff110087b32ef R08: ffff888043d9defb R09: 1ffff110087b3bdf [ 179.369016][ T5337] R10: dffffc0000000000 R11: ffffed10087b3be0 R12: 0000000000000000 [ 179.372325][ T5337] R13: 0000000000000074 R14: 1ffff110087b3be2 R15: ffff888043d9df10 [ 179.375809][ T5337] FS: 00007fcf69bed6c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 179.379400][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.382123][ T5337] CR2: 00007fcf69bcbff8 CR3: 00000000439a6000 CR4: 0000000000352ef0 [ 179.385578][ T5337] Kernel panic - not syncing: Fatal exception [ 179.388521][ T5337] Kernel Offset: disabled [ 179.390417][ T5337] Rebooting in 86400 seconds..