program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = syz_open_dev$hiddev(&(0x7f0000000040), 0xfffffffffffffff9, 0x181081) ioctl$HIDIOCSREPORT(r0, 0x400c4808, &(0x7f0000000140)={0x2, 0x3, 0x3}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r1 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=0x0) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r3, 0x84, 0xc, &(0x7f00000001c0), 0x4) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r3, 0x84, 0x6f, &(0x7f0000003a80)={0x0, 0x1c, &(0x7f0000000140)=[@in6={0xa, 0x4e23, 0x80, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0xff}]}, &(0x7f0000003ac0)=0x10) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x6d, &(0x7f0000000080), &(0x7f00000000c0)=0x3930) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r4, &(0x7f0000000240)='md0', 0x3) r5 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r5, &(0x7f0000001040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newlink={0x3c, 0x10, 0x44b, 0x0, 0x0, {0x7a, 0x0, 0x0, 0x0, 0x0, 0x60102}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_AGEING_TIME={0x8, 0x8, 0x81}]}}}]}, 0x3c}}, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/md0\x00', 0x4002, 0x0) ioctl(r6, 0x40480923, &(0x7f0000000300)="0000000000000000000000000000000001000000000400000200000002") ioctl(r6, 0x40140921, &(0x7f0000000400)="0000000001") ioctl(r6, 0x40140921, &(0x7f0000000440)="010000000100000001") ioctl(r6, 0x400c0930, 0x0) [ 95.380456][ T5284] Bluetooth: hci0: command tx timeout [ 95.669433][ T5323] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [ 95.683156][ T5323] netlink: 'syz.0.0': attribute type 8 has an invalid length. [ 95.958567][ T5323] ------------[ cut here ]------------ [ 95.958580][ T5323] 1 [ 95.958584][ T5323] WARNING: mm/page_alloc.c:5340 at __alloc_frozen_pages_noprof+0x425/0x5a0, CPU#0: syz.0.0/5323 [ 95.967639][ T5323] Modules linked in: [ 95.970106][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.974701][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.979161][ T5323] RIP: 0010:__alloc_frozen_pages_noprof+0x425/0x5a0 [ 95.981984][ T5323] Code: 90 e9 76 fe ff ff 41 81 e6 3f ff ff ff 44 89 f1 41 83 e6 f7 a9 00 00 00 10 44 0f 44 f1 e9 45 fd ff ff c6 05 96 a9 37 0f 01 90 <0f> 0b 90 e9 8b fe ff ff 48 8d 3d 5c 1d 53 0f 67 48 0f b9 3a e9 68 [ 95.989881][ T5323] RSP: 0018:ffffc9000e5e7560 EFLAGS: 00010246 [ 95.992737][ T5323] RAX: ffffc9000e5e7500 RBX: 1ffff92001cbceb0 RCX: 0000000000000000 [ 95.996266][ T5323] RDX: 0000000000000000 RSI: 0000000000000034 RDI: ffffc9000e5e75c8 [ 95.999815][ T5323] RBP: ffffc9000e5e7658 R08: ffffc9000e5e75c7 R09: 0000000000000000 [ 96.003313][ T5323] R10: ffffc9000e5e75a0 R11: fffff52001cbceb9 R12: 0000000000000000 [ 96.006540][ T5323] R13: 0000000000000000 R14: 0000000000040dc0 R15: 0000000000000000 [ 96.009899][ T5323] FS: 00007f8db68206c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 96.013968][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.016733][ T5323] CR2: 00007f9f19cd3e9c CR3: 000000000bfc9000 CR4: 0000000000352ef0 [ 96.020394][ T5323] Call Trace: [ 96.022040][ T5323] [ 96.023221][ T5323] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 96.025608][ T5323] ? __pfx_policy_nodemask+0x10/0x10 [ 96.027762][ T5323] alloc_pages_mpol+0x21e/0x390 [ 96.029747][ T5323] ? setup_conf+0x23a/0x1040 [ 96.033683][ T5323] ___kmalloc_large_node+0x4f/0x120 [ 96.035892][ T5323] __kmalloc_large_node_noprof+0x18/0x90 [ 96.038126][ T5323] __kmalloc_noprof+0x3fb/0x720 [ 96.040163][ T5323] ? __kmalloc_cache_noprof+0x14d/0x600 [ 96.042535][ T5323] ? setup_conf+0x1bc/0x1040 [ 96.044265][ T5323] ? setup_conf+0x23a/0x1040 [ 96.046133][ T5323] setup_conf+0x23a/0x1040 [ 96.048127][ T5323] raid1_run+0x14d/0xa50 [ 96.049968][ T5323] ? xa_find_after+0xae/0x430 [ 96.052508][ T5323] ? __pfx_raid1_run+0x10/0x10 [ 96.054642][ T5323] ? do_raw_spin_unlock+0x4d/0x200 [ 96.056895][ T5323] ? _raw_spin_unlock+0x28/0x50 [ 96.059032][ T5323] ? get_pers+0x22b/0x2e0 [ 96.061047][ T5323] ? __pfx_get_pers+0x10/0x10 [ 96.063263][ T5323] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 96.066025][ T5323] md_run+0xc3d/0x1cd0 [ 96.067818][ T5323] ? __pfx_md_run+0x10/0x10 [ 96.069848][ T5323] do_md_run+0x35/0x720 [ 96.071836][ T5323] ? md_ioctl+0x1e23/0x2610 [ 96.073969][ T5323] md_ioctl+0x1e2b/0x2610 [ 96.075932][ T5323] ? tomoyo_path_number_perm+0x4ba/0x5f0 [ 96.078293][ T5323] ? tomoyo_path_number_perm+0x219/0x5f0 [ 96.080727][ T5323] ? __pfx_md_ioctl+0x10/0x10 [ 96.082993][ T5323] ? do_vfs_ioctl+0x116f/0x1530 [ 96.085129][ T5323] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 96.087334][ T5323] ? hook_file_ioctl+0x1f2/0x600 [ 96.089544][ T5323] ? __pfx_md_ioctl+0x10/0x10 [ 96.091638][ T5323] blkdev_ioctl+0x5e3/0x740 [ 96.093618][ T5323] ? __pfx_blkdev_ioctl+0x10/0x10 [ 96.095720][ T5323] ? __fget_files+0x2a/0x420 [ 96.097671][ T5323] ? bpf_lsm_file_ioctl+0x9/0x20 [ 96.099752][ T5323] ? __pfx_blkdev_ioctl+0x10/0x10 [ 96.101948][ T5323] __se_sys_ioctl+0xfc/0x170 [ 96.103884][ T5323] do_syscall_64+0x166/0x520 [ 96.106011][ T5323] ? trace_irq_disable+0x3b/0x140 [ 96.108202][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.110883][ T5323] ? clear_bhb_loop+0x70/0xc0 [ 96.113026][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.115586][ T5323] RIP: 0033:0x7f8db599e1d9 [ 96.117595][ T5323] 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 [ 96.126155][ T5323] RSP: 002b:00007f8db681ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.129750][ T5323] RAX: ffffffffffffffda RBX: 00007f8db5c26090 RCX: 00007f8db599e1d9 [ 96.134493][ T5323] RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000006 [ 96.137927][ T5323] RBP: 00007f8db5a35888 R08: 0000000000000000 R09: 0000000000000000 [ 96.141499][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.145028][ T5323] R13: 00007f8db5c26128 R14: 00007f8db5c26090 R15: 00007ffe643325f8 [ 96.148498][ T5323] [ 96.149729][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 96.152515][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.155920][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.159638][ T5323] Call Trace: [ 96.161029][ T5323] [ 96.162315][ T5323] vpanic+0x56d/0xa60 [ 96.164015][ T5323] ? __pfx__printk+0x10/0x10 [ 96.165972][ T5323] ? __pfx_vpanic+0x10/0x10 [ 96.167912][ T5323] ? is_bpf_text_address+0x292/0x2b0 [ 96.170236][ T5323] ? is_bpf_text_address+0x26/0x2b0 [ 96.172345][ T5323] panic+0xc5/0xd0 [ 96.174105][ T5323] ? __pfx_panic+0x10/0x10 [ 96.176154][ T5323] __warn+0x315/0x4c0 [ 96.177972][ T5323] ? __alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.180587][ T5323] ? __alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.183272][ T5323] __report_bug+0x276/0x570 [ 96.185373][ T5323] ? is_bpf_text_address+0x292/0x2b0 [ 96.187691][ T5323] ? __alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.190381][ T5323] ? __pfx___report_bug+0x10/0x10 [ 96.192645][ T5323] ? do_raw_spin_lock+0x12b/0x2f0 [ 96.194767][ T5323] ? lock_acquire+0x115/0x350 [ 96.196862][ T5323] ? __alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.199441][ T5323] report_bug+0x16b/0x220 [ 96.201228][ T5323] ? __alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.203362][ T5323] ? __alloc_frozen_pages_noprof+0x427/0x5a0 [ 96.206080][ T5323] handle_bug+0x9c/0x200 [ 96.207942][ T5323] exc_invalid_op+0x1a/0x50 [ 96.209947][ T5323] asm_exc_invalid_op+0x1a/0x20 [ 96.212108][ T5323] RIP: 0010:__alloc_frozen_pages_noprof+0x425/0x5a0 [ 96.214866][ T5323] Code: 90 e9 76 fe ff ff 41 81 e6 3f ff ff ff 44 89 f1 41 83 e6 f7 a9 00 00 00 10 44 0f 44 f1 e9 45 fd ff ff c6 05 96 a9 37 0f 01 90 <0f> 0b 90 e9 8b fe ff ff 48 8d 3d 5c 1d 53 0f 67 48 0f b9 3a e9 68 [ 96.222995][ T5323] RSP: 0018:ffffc9000e5e7560 EFLAGS: 00010246 [ 96.225539][ T5323] RAX: ffffc9000e5e7500 RBX: 1ffff92001cbceb0 RCX: 0000000000000000 [ 96.228328][ T5323] RDX: 0000000000000000 RSI: 0000000000000034 RDI: ffffc9000e5e75c8 [ 96.231220][ T5323] RBP: ffffc9000e5e7658 R08: ffffc9000e5e75c7 R09: 0000000000000000 [ 96.234224][ T5323] R10: ffffc9000e5e75a0 R11: fffff52001cbceb9 R12: 0000000000000000 [ 96.237261][ T5323] R13: 0000000000000000 R14: 0000000000040dc0 R15: 0000000000000000 [ 96.240296][ T5323] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 96.242751][ T5323] ? __pfx_policy_nodemask+0x10/0x10 [ 96.244855][ T5323] alloc_pages_mpol+0x21e/0x390 [ 96.246939][ T5323] ? setup_conf+0x23a/0x1040 [ 96.248598][ T5323] ___kmalloc_large_node+0x4f/0x120 [ 96.250576][ T5323] __kmalloc_large_node_noprof+0x18/0x90 [ 96.252561][ T5323] __kmalloc_noprof+0x3fb/0x720 [ 96.254375][ T5323] ? __kmalloc_cache_noprof+0x14d/0x600 [ 96.256664][ T5323] ? setup_conf+0x1bc/0x1040 [ 96.258630][ T5323] ? setup_conf+0x23a/0x1040 [ 96.260638][ T5323] setup_conf+0x23a/0x1040 [ 96.262662][ T5323] raid1_run+0x14d/0xa50 [ 96.264576][ T5323] ? xa_find_after+0xae/0x430 [ 96.266758][ T5323] ? __pfx_raid1_run+0x10/0x10 [ 96.268911][ T5323] ? do_raw_spin_unlock+0x4d/0x200 [ 96.271205][ T5323] ? _raw_spin_unlock+0x28/0x50 [ 96.273401][ T5323] ? get_pers+0x22b/0x2e0 [ 96.275265][ T5323] ? __pfx_get_pers+0x10/0x10 [ 96.277401][ T5323] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 96.279959][ T5323] md_run+0xc3d/0x1cd0 [ 96.281765][ T5323] ? __pfx_md_run+0x10/0x10 [ 96.283770][ T5323] do_md_run+0x35/0x720 [ 96.285648][ T5323] ? md_ioctl+0x1e23/0x2610 [ 96.287492][ T5323] md_ioctl+0x1e2b/0x2610 [ 96.289289][ T5323] ? tomoyo_path_number_perm+0x4ba/0x5f0 [ 96.291437][ T5323] ? tomoyo_path_number_perm+0x219/0x5f0 [ 96.293817][ T5323] ? __pfx_md_ioctl+0x10/0x10 [ 96.295830][ T5323] ? do_vfs_ioctl+0x116f/0x1530 [ 96.297932][ T5323] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 96.299699][ T5323] ? hook_file_ioctl+0x1f2/0x600 [ 96.301817][ T5323] ? __pfx_md_ioctl+0x10/0x10 [ 96.303870][ T5323] blkdev_ioctl+0x5e3/0x740 [ 96.305663][ T5323] ? __pfx_blkdev_ioctl+0x10/0x10 [ 96.307547][ T5323] ? __fget_files+0x2a/0x420 [ 96.309360][ T5323] ? bpf_lsm_file_ioctl+0x9/0x20 [ 96.311251][ T5323] ? __pfx_blkdev_ioctl+0x10/0x10 [ 96.313295][ T5323] __se_sys_ioctl+0xfc/0x170 [ 96.315257][ T5323] do_syscall_64+0x166/0x520 [ 96.317339][ T5323] ? trace_irq_disable+0x3b/0x140 [ 96.319424][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.322354][ T5323] ? clear_bhb_loop+0x70/0xc0 [ 96.324972][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.328179][ T5323] RIP: 0033:0x7f8db599e1d9 [ 96.330343][ T5323] 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 [ 96.338313][ T5323] RSP: 002b:00007f8db681ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.341912][ T5323] RAX: ffffffffffffffda RBX: 00007f8db5c26090 RCX: 00007f8db599e1d9 [ 96.345401][ T5323] RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000006 [ 96.348780][ T5323] RBP: 00007f8db5a35888 R08: 0000000000000000 R09: 0000000000000000 [ 96.352304][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.355810][ T5323] R13: 00007f8db5c26128 R14: 00007f8db5c26090 R15: 00007ffe643325f8 [ 96.358963][ T5323] [ 96.360700][ T5323] Kernel Offset: disabled [ 96.362530][ T5323] Rebooting in 86400 seconds..