program: r0 = syz_open_dev$dri(&(0x7f0000000000), 0x2, 0x2000) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x58, 0x2, 0x6, 0x201, 0xe4340000, 0x0, {0x3, 0x0, 0x8}, [@IPSET_ATTR_FAMILY={0x5, 0x5, 0xa}, @IPSET_ATTR_PROTOCOL={0x5, 0x1, 0x6}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_TYPENAME={0x11, 0x3, 'hash:ip,port\x00'}, @IPSET_ATTR_DATA={0xc, 0x7, 0x0, 0x1, [@IPSET_ATTR_MAXELEM={0x8, 0x13, 0x1, 0x0, 0x6}]}]}, 0x58}}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x4c, 0x2, 0x6, 0x101, 0x0, 0x0, {}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0xa}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_TYPENAME={0x11, 0x3, 'hash:ip,port\x00'}]}, 0x4c}}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(r0, 0xc01064c2, &(0x7f0000000080)={0x0}) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f00000001c0)='veth1_to_hsr\x00') recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000380)=""/156, 0x9c}], 0x1}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="7c0000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000540012800e000100697036677265746170000000400002800400120005000b000700000008000100", @ANYRES32], 0x7c}, 0x1, 0x8}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}}, 0x24}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_SIGNAL(r0, 0xc01064c5, &(0x7f0000000040)={&(0x7f00000000c0)=[r3, r3], 0x3ffffffffffffdb0}) [ 128.445019][ T46] Bluetooth: hci0: command tx timeout [ 128.617169][ T5347] netlink: 8 bytes leftover after parsing attributes in process `syz.0.0'. [ 128.620805][ T5347] netlink: 40 bytes leftover after parsing attributes in process `syz.0.0'. [ 128.630905][ T5347] batman_adv: Cannot find parent device. Skipping batadv-on-batadv check for ip6gretap1 [ 128.644429][ T5347] Zero length message leads to an empty skb [ 128.647787][ T5347] ------------[ cut here ]------------ [ 128.650234][ T5347] WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x2c8/0x370, CPU#0: syz.0.0/5347 [ 128.655752][ T5347] Modules linked in: [ 128.657569][ T5347] CPU: 0 UID: 0 PID: 5347 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 128.661600][ T5347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 128.666327][ T5347] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.669244][ T5347] Code: 74 10 4c 89 e7 89 54 24 0c e8 c4 ad 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 b3 58 51 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 [ 128.678425][ T5347] RSP: 0018:ffffc9000e68f960 EFLAGS: 00010246 [ 128.681181][ T5347] RAX: ffffc9000e68f900 RBX: 0000000000000016 RCX: 0000000000000000 [ 128.684710][ T5347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000e68f9c8 [ 128.688102][ T5347] RBP: ffffc9000e68fa60 R08: ffffc9000e68f9c7 R09: 0000000000000000 [ 128.691777][ T5347] R10: ffffc9000e68f9a0 R11: fffff52001cd1f39 R12: 0000000000000000 [ 128.695646][ T5347] R13: 1ffff92001cd1f30 R14: 0000000000040cc0 R15: dffffc0000000000 [ 128.699174][ T5347] FS: 00007f82e8e286c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000 [ 128.703019][ T5347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 128.706245][ T5347] CR2: 00007f2aeec99bf8 CR3: 0000000011dd0000 CR4: 0000000000352ef0 [ 128.709851][ T5347] Call Trace: [ 128.711309][ T5347] [ 128.712597][ T5347] ? tomoyo_path_number_perm+0x47a/0x5a0 [ 128.715217][ T5347] ? __se_sys_ioctl+0x47/0x170 [ 128.717510][ T5347] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 128.720478][ T5347] ? policy_nodemask+0x27c/0x720 [ 128.723387][ T5347] ? __lock_acquire+0x6b6/0x2cf0 [ 128.726395][ T5347] alloc_pages_mpol+0x232/0x4a0 [ 128.728474][ T5347] ___kmalloc_large_node+0x4e/0x150 [ 128.730746][ T5347] __kmalloc_large_node_noprof+0x18/0x90 [ 128.733297][ T5347] __kmalloc_noprof+0x4c9/0x800 [ 128.735589][ T5347] ? drm_dev_enter+0x49/0x150 [ 128.737562][ T5347] ? drm_syncobj_array_find+0x3a/0x450 [ 128.739992][ T5347] drm_syncobj_array_find+0x3a/0x450 [ 128.742375][ T5347] drm_syncobj_signal_ioctl+0x168/0x340 [ 128.745086][ T5347] drm_ioctl_kernel+0x2cf/0x390 [ 128.747257][ T5347] ? __pfx_drm_syncobj_signal_ioctl+0x10/0x10 [ 128.749879][ T5347] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 128.752109][ T5347] drm_ioctl+0x67f/0xb10 [ 128.754087][ T5347] ? __pfx_drm_syncobj_signal_ioctl+0x10/0x10 [ 128.756628][ T5347] ? __pfx_drm_ioctl+0x10/0x10 [ 128.758711][ T5347] ? __fget_files+0x2a/0x420 [ 128.760732][ T5347] ? bpf_lsm_file_ioctl+0x9/0x20 [ 128.762926][ T5347] ? __pfx_drm_ioctl+0x10/0x10 [ 128.764902][ T5347] __se_sys_ioctl+0xfc/0x170 [ 128.767073][ T5347] do_syscall_64+0xec/0xf80 [ 128.769153][ T5347] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.771640][ T5347] ? trace_irq_disable+0x37/0x100 [ 128.773963][ T5347] ? clear_bhb_loop+0x60/0xb0 [ 128.776158][ T5347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.778919][ T5347] RIP: 0033:0x7f82e7f8f7c9 [ 128.780945][ T5347] 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 [ 128.789267][ T5347] RSP: 002b:00007f82e8e28038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 128.792800][ T5347] RAX: ffffffffffffffda RBX: 00007f82e81e5fa0 RCX: 00007f82e7f8f7c9 [ 128.796357][ T5347] RDX: 0000200000000040 RSI: 00000000c01064c5 RDI: 0000000000000003 [ 128.799887][ T5347] RBP: 00007f82e8013f91 R08: 0000000000000000 R09: 0000000000000000 [ 128.803306][ T5347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 128.807327][ T5347] R13: 00007f82e81e6038 R14: 00007f82e81e5fa0 R15: 00007ffcecef6058 [ 128.811165][ T5347] [ 128.812600][ T5347] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 128.815762][ T5347] CPU: 0 UID: 0 PID: 5347 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 128.819542][ T5347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 128.824015][ T5347] Call Trace: [ 128.825650][ T5347] [ 128.827005][ T5347] vpanic+0x1e0/0x670 [ 128.828842][ T5347] panic+0xb9/0xc0 [ 128.830518][ T5347] ? __pfx_panic+0x10/0x10 [ 128.832498][ T5347] __warn+0x317/0x4b0 [ 128.834023][ T5347] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.836640][ T5347] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.839217][ T5347] __report_bug+0x288/0x500 [ 128.841149][ T5347] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.843344][ T5347] ? __pfx___report_bug+0x10/0x10 [ 128.845410][ T5347] ? is_bpf_text_address+0x292/0x2b0 [ 128.847598][ T5347] ? is_bpf_text_address+0x26/0x2b0 [ 128.849725][ T5347] ? kernel_text_address+0xa5/0xe0 [ 128.851797][ T5347] ? __kernel_text_address+0xd/0x40 [ 128.853887][ T5347] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 128.856314][ T5347] ? arch_stack_walk+0xfc/0x150 [ 128.858369][ T5347] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.861045][ T5347] report_bug+0x16a/0x220 [ 128.863379][ T5347] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.865828][ T5347] ? __alloc_frozen_pages_noprof+0x2ca/0x370 [ 128.868434][ T5347] handle_bug+0x98/0x200 [ 128.870229][ T5347] exc_invalid_op+0x1a/0x50 [ 128.872067][ T5347] asm_exc_invalid_op+0x1a/0x20 [ 128.874306][ T5347] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 [ 128.877000][ T5347] Code: 74 10 4c 89 e7 89 54 24 0c e8 c4 ad 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 b3 58 51 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 [ 128.885078][ T5347] RSP: 0018:ffffc9000e68f960 EFLAGS: 00010246 [ 128.887572][ T5347] RAX: ffffc9000e68f900 RBX: 0000000000000016 RCX: 0000000000000000 [ 128.890700][ T5347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000e68f9c8 [ 128.893964][ T5347] RBP: ffffc9000e68fa60 R08: ffffc9000e68f9c7 R09: 0000000000000000 [ 128.897171][ T5347] R10: ffffc9000e68f9a0 R11: fffff52001cd1f39 R12: 0000000000000000 [ 128.900429][ T5347] R13: 1ffff92001cd1f30 R14: 0000000000040cc0 R15: dffffc0000000000 [ 128.903671][ T5347] ? tomoyo_path_number_perm+0x47a/0x5a0 [ 128.906066][ T5347] ? __se_sys_ioctl+0x47/0x170 [ 128.908042][ T5347] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 128.910980][ T5347] ? policy_nodemask+0x27c/0x720 [ 128.913465][ T5347] ? __lock_acquire+0x6b6/0x2cf0 [ 128.915604][ T5347] alloc_pages_mpol+0x232/0x4a0 [ 128.917660][ T5347] ___kmalloc_large_node+0x4e/0x150 [ 128.919885][ T5347] __kmalloc_large_node_noprof+0x18/0x90 [ 128.922273][ T5347] __kmalloc_noprof+0x4c9/0x800 [ 128.924381][ T5347] ? drm_dev_enter+0x49/0x150 [ 128.926341][ T5347] ? drm_syncobj_array_find+0x3a/0x450 [ 128.928523][ T5347] drm_syncobj_array_find+0x3a/0x450 [ 128.931039][ T5347] drm_syncobj_signal_ioctl+0x168/0x340 [ 128.933906][ T5347] drm_ioctl_kernel+0x2cf/0x390 [ 128.936367][ T5347] ? __pfx_drm_syncobj_signal_ioctl+0x10/0x10 [ 128.939174][ T5347] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 128.941405][ T5347] drm_ioctl+0x67f/0xb10 [ 128.943268][ T5347] ? __pfx_drm_syncobj_signal_ioctl+0x10/0x10 [ 128.945697][ T5347] ? __pfx_drm_ioctl+0x10/0x10 [ 128.947768][ T5347] ? __fget_files+0x2a/0x420 [ 128.949869][ T5347] ? bpf_lsm_file_ioctl+0x9/0x20 [ 128.951781][ T5347] ? __pfx_drm_ioctl+0x10/0x10 [ 128.953768][ T5347] __se_sys_ioctl+0xfc/0x170 [ 128.955740][ T5347] do_syscall_64+0xec/0xf80 [ 128.957565][ T5347] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.960256][ T5347] ? trace_irq_disable+0x37/0x100 [ 128.962538][ T5347] ? clear_bhb_loop+0x60/0xb0 [ 128.964653][ T5347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.967327][ T5347] RIP: 0033:0x7f82e7f8f7c9 [ 128.969389][ T5347] 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 [ 128.977986][ T5347] RSP: 002b:00007f82e8e28038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 128.981774][ T5347] RAX: ffffffffffffffda RBX: 00007f82e81e5fa0 RCX: 00007f82e7f8f7c9 [ 128.985397][ T5347] RDX: 0000200000000040 RSI: 00000000c01064c5 RDI: 0000000000000003 [ 128.988873][ T5347] RBP: 00007f82e8013f91 R08: 0000000000000000 R09: 0000000000000000 [ 128.992242][ T5347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 128.995811][ T5347] R13: 00007f82e81e6038 R14: 00007f82e81e5fa0 R15: 00007ffcecef6058 [ 128.999505][ T5347] [ 129.001157][ T5347] Kernel Offset: disabled [ 129.002918][ T5347] Rebooting in 86400 seconds..