program: r0 = socket(0x2a, 0x2, 0x0) getsockname$packet(r0, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001480)=0x14) sendmsg$nl_route_sched(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x78, 0x24, 0xc0b, 0x70bd2a, 0x2001, {0x0, 0x0, 0x0, r1, {0x0, 0x1}, {0xffff, 0xffff}, {0x5, 0xd}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x4c, 0x2, {{0xff, 0xec2, 0x5, 0x0, 0x400}, 0x10000, 0x1, 0x7ff, 0x6, 0xe, 0x14, 0x1f, 0x1b, 0x6, 0x2, {0x6, 0x1, 0xa9, 0x8, 0x7743, 0xfd1}}}}]}, 0x78}}, 0x0) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000004ec0)=@newtfilter={0x94, 0x2c, 0xd27, 0x70bd25, 0x0, {0x0, 0x0, 0x0, r1, {0xffff}, {}, {0x8, 0xffff}}, [@filter_kind_options=@f_u32={{0x8}, {0x68, 0x2, [@TCA_U32_SEL={0x64, 0x5, {0xb, 0x7, 0x5, 0x3, 0x7, 0x0, 0x52, 0x3, [{0x2, 0x8001, 0x7, 0x1}, {0x3, 0x2, 0x4, 0x9}, {0x68, 0x8, 0x9b, 0x2}, {0xfffffff8, 0x1, 0x3a, 0x8}, {0x3, 0x1, 0x9, 0xad}]}}]}}]}, 0x94}}, 0x4000) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = add_key$keyring(&(0x7f0000004580), &(0x7f00000045c0)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffb) syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000280), 0x1, 0x792, &(0x7f0000001a40)="$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") openat(0xffffffffffffff9c, &(0x7f0000000080)='./bus\x00', 0x141842, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1002, 0x0) write(r4, &(0x7f0000004200)='t', 0x1) r5 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) ftruncate(r5, 0x2007ffb) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r5, 0x0) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000004600)='asymmetric\x00', &(0x7f00000007c0)) sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0) openat$cdrom(0xffffffffffffff9c, &(0x7f0000000000), 0x12b000, 0x0) socket(0x2a, 0x2, 0x0) (async) getsockname$packet(r0, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001480)=0x14) (async) sendmsg$nl_route_sched(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x78, 0x24, 0xc0b, 0x70bd2a, 0x2001, {0x0, 0x0, 0x0, r1, {0x0, 0x1}, {0xffff, 0xffff}, {0x5, 0xd}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x4c, 0x2, {{0xff, 0xec2, 0x5, 0x0, 0x400}, 0x10000, 0x1, 0x7ff, 0x6, 0xe, 0x14, 0x1f, 0x1b, 0x6, 0x2, {0x6, 0x1, 0xa9, 0x8, 0x7743, 0xfd1}}}}]}, 0x78}}, 0x0) (async) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000004ec0)=@newtfilter={0x94, 0x2c, 0xd27, 0x70bd25, 0x0, {0x0, 0x0, 0x0, r1, {0xffff}, {}, {0x8, 0xffff}}, [@filter_kind_options=@f_u32={{0x8}, {0x68, 0x2, [@TCA_U32_SEL={0x64, 0x5, {0xb, 0x7, 0x5, 0x3, 0x7, 0x0, 0x52, 0x3, [{0x2, 0x8001, 0x7, 0x1}, {0x3, 0x2, 0x4, 0x9}, {0x68, 0x8, 0x9b, 0x2}, {0xfffffff8, 0x1, 0x3a, 0x8}, {0x3, 0x1, 0x9, 0xad}]}}]}}]}, 0x94}}, 0x4000) (async) socket$netlink(0x10, 0x3, 0x0) (async) add_key$keyring(&(0x7f0000004580), &(0x7f00000045c0)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffb) (async) syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000280), 0x1, 0x792, &(0x7f0000001a40)="$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") (async) openat(0xffffffffffffff9c, &(0x7f0000000080)='./bus\x00', 0x141842, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1002, 0x0) (async) write(r4, &(0x7f0000004200)='t', 0x1) (async) open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) (async) ftruncate(r5, 0x2007ffb) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r5, 0x0) (async) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000004600)='asymmetric\x00', &(0x7f00000007c0)) (async) sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0) (async) openat$cdrom(0xffffffffffffff9c, &(0x7f0000000000), 0x12b000, 0x0) (async) [ 84.622572][ T5336] Bluetooth: hci0: command tx timeout [ 84.731362][ T5360] loop0: detected capacity change from 0 to 2048 [ 84.790276][ T5360] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.856773][ T5359] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1289: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 84.877076][ T5361] Zero length message leads to an empty skb [ 84.940700][ T5361] ------------[ cut here ]------------ [ 84.943435][ T5361] kernel BUG at fs/ext4/inode.c:2809! [ 84.947288][ T5361] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.950654][ T5361] CPU: 0 UID: 0 PID: 5361 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.954585][ T5361] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 84.959499][ T5361] RIP: 0010:ext4_do_writepages+0x4607/0x4610 [ 84.962316][ T5361] Code: c6 80 8e be 8b e8 19 f2 b2 fe 90 0f 0b e8 41 c4 4a ff 4c 89 f7 48 c7 c6 60 92 be 8b e8 02 f2 b2 fe 90 0f 0b e8 2a c4 4a ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 84.970510][ T5361] RSP: 0018:ffffc9000d217160 EFLAGS: 00010293 [ 84.973026][ T5361] RAX: ffffffff82750a86 RBX: 0000004210000000 RCX: ffff888036654880 [ 84.976059][ T5361] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 84.979281][ T5361] RBP: ffffc9000d217590 R08: ffff8880439609e7 R09: 1ffff1100872c13c [ 84.982206][ T5361] R10: dffffc0000000000 R11: ffffed100872c13d R12: 0000000000000001 [ 84.985292][ T5361] R13: ffffc9000d2175e0 R14: 0000004000000000 R15: dffffc0000000000 [ 84.988659][ T5361] FS: 00007f656d4316c0(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000 [ 84.992601][ T5361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.995462][ T5361] CR2: 0000200000000080 CR3: 0000000043040000 CR4: 0000000000352ef0 [ 84.998685][ T5361] Call Trace: [ 85.000075][ T5361] [ 85.001245][ T5361] ? __kernel_text_address+0xd/0x40 [ 85.003718][ T5361] ? unwind_get_return_address+0x4d/0x90 [ 85.006421][ T5361] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 85.008948][ T5361] ? arch_stack_walk+0xfc/0x150 [ 85.011292][ T5361] ? __pfx_hlock_conflict+0x10/0x10 [ 85.013585][ T5361] ? check_path+0x21/0x40 [ 85.015655][ T5361] ? lockdep_unlock+0x89/0x120 [ 85.017748][ T5361] ? validate_chain+0x897/0x2140 [ 85.019951][ T5361] ? __pfx_ext4_do_writepages+0x10/0x10 [ 85.022315][ T5361] ? __lock_acquire+0xab9/0xd20 [ 85.024497][ T5361] ? rcu_read_lock_any_held+0xb3/0x120 [ 85.026831][ T5361] ext4_writepages+0x205/0x350 [ 85.028935][ T5361] ? __pfx_ext4_writepages+0x10/0x10 [ 85.031226][ T5361] ? do_raw_spin_unlock+0x4d/0x240 [ 85.033237][ T5361] ? __pfx_ext4_writepages+0x10/0x10 [ 85.035203][ T5361] do_writepages+0x32b/0x550 [ 85.037029][ T5361] ? do_raw_spin_unlock+0x4d/0x240 [ 85.039091][ T5361] file_write_and_wait_range+0x23e/0x340 [ 85.041541][ T5361] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 85.044028][ T5361] ? generic_perform_write+0x809/0x900 [ 85.046237][ T5361] generic_buffers_fsync_noflush+0x6c/0x180 [ 85.049031][ T5361] ext4_sync_file+0x332/0xb20 [ 85.051392][ T5361] ext4_buffered_write_iter+0x2ca/0x3a0 [ 85.054051][ T5361] ext4_file_write_iter+0x298/0x1bc0 [ 85.056456][ T5361] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 85.059136][ T5361] vfs_write+0x5c6/0xb30 [ 85.061032][ T5361] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 85.063658][ T5361] ? __pfx_vfs_write+0x10/0x10 [ 85.065906][ T5361] ? __fget_files+0x2a/0x420 [ 85.068103][ T5361] ksys_write+0x145/0x250 [ 85.070204][ T5361] ? __pfx_ksys_write+0x10/0x10 [ 85.072405][ T5361] ? rcu_is_watching+0x15/0xb0 [ 85.074618][ T5361] ? do_syscall_64+0xbe/0x3b0 [ 85.076728][ T5361] do_syscall_64+0xfa/0x3b0 [ 85.078788][ T5361] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.080950][ T5361] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.083496][ T5361] ? clear_bhb_loop+0x60/0xb0 [ 85.085448][ T5361] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.087805][ T5361] RIP: 0033:0x7f656c58eba9 [ 85.089718][ T5361] 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 [ 85.097349][ T5361] RSP: 002b:00007f656d431038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.100697][ T5361] RAX: ffffffffffffffda RBX: 00007f656c7d6090 RCX: 00007f656c58eba9 [ 85.104085][ T5361] RDX: 0000000000000001 RSI: 0000200000004200 RDI: 0000000000000007 [ 85.107540][ T5361] RBP: 00007f656c611e19 R08: 0000000000000000 R09: 0000000000000000 [ 85.111044][ T5361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.114420][ T5361] R13: 00007f656c7d6128 R14: 00007f656c7d6090 R15: 00007ffc03c57b38 [ 85.117768][ T5361] [ 85.119112][ T5361] Modules linked in: [ 85.121265][ T5361] ---[ end trace 0000000000000000 ]--- [ 85.133936][ T5361] RIP: 0010:ext4_do_writepages+0x4607/0x4610 [ 85.137427][ T5361] Code: c6 80 8e be 8b e8 19 f2 b2 fe 90 0f 0b e8 41 c4 4a ff 4c 89 f7 48 c7 c6 60 92 be 8b e8 02 f2 b2 fe 90 0f 0b e8 2a c4 4a ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 85.147244][ T5361] RSP: 0018:ffffc9000d217160 EFLAGS: 00010293 [ 85.150121][ T5361] RAX: ffffffff82750a86 RBX: 0000004210000000 RCX: ffff888036654880 [ 85.154406][ T5361] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 85.158727][ T5361] RBP: ffffc9000d217590 R08: ffff8880439609e7 R09: 1ffff1100872c13c [ 85.162193][ T5361] R10: dffffc0000000000 R11: ffffed100872c13d R12: 0000000000000001 [ 85.166990][ T5361] R13: ffffc9000d2175e0 R14: 0000004000000000 R15: dffffc0000000000 [ 85.170511][ T5361] FS: 00007f656d4316c0(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000 [ 85.174513][ T5361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.177218][ T5361] CR2: 0000000000000000 CR3: 0000000043040000 CR4: 0000000000352ef0 [ 85.180546][ T5361] Kernel panic - not syncing: Fatal exception [ 85.183586][ T5361] Kernel Offset: disabled [ 85.185369][ T5361] Rebooting in 86400 seconds..