program: r0 = syz_open_dev$dri(&(0x7f0000000480), 0x2, 0xc8f03) ioctl$DRM_IOCTL_SYNCOBJ_CREATE(r0, 0xc00864bf, &(0x7f0000000000)={0x0}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r2, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r5, 0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$SYNC_IOC_MERGE(0xffffffffffffffff, 0xc0303e03, &(0x7f00000000c0)={"159d7ea6ef03b01d2f9a30e1c8d6a522e9dd5cfa7fadad2ccc5b411e47bfdb0b", 0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000100)={{0x1, 0x1, 0x18, r6}, './file0\x00'}) ppoll(&(0x7f0000000280)=[{r4, 0x271}, {r4, 0x8300}, {r7, 0x10}, {r4, 0x2419}, {r0, 0x2000}, {r0, 0x1100}, {r8, 0xa004}, {r3, 0x200}, {r5, 0xf1096d1ed234d2aa}], 0x9, &(0x7f0000000140)={0x0, 0x989680}, &(0x7f00000001c0)={[0x9]}, 0x8) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000002c80)={0x3, 0x4, &(0x7f00000002c0)=@framed={{0x18, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, [@call={0x85, 0x0, 0x0, 0x20}]}, &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x24, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) listen(r6, 0x0) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_mptcp_buf(r8, 0x11c, 0x1, &(0x7f0000000380)=""/192, &(0x7f0000000440)=0xc0) listen(r9, 0x0) r10 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r10, &(0x7f00000007c0)={0xa, 0x0, 0x0, @empty}, 0x34) r11 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r11, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000001740)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @empty, @void, {@ipv6={0x86dd, @icmpv6={0x3, 0x6, "269fe0", 0x18, 0x3a, 0xff, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, @mcast2, {[], @ndisc_na={0x88, 0x0, 0x0, 0x3, '\x00', @local}}}}}}, 0x0) r12 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r12, &(0x7f0000000040)=[{&(0x7f0000000200)="580000001400192340834b80040d8c560a0677bc45ff810500000000000058000b480400945f64009400050028925a01000000000000008000f0fffeffe809000000fff5dd0000001000010002081000418e00000004fcff", 0x58}], 0x1) recvmsg(r12, &(0x7f00000006c0)={0x0, 0x0, 0x0}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r0, 0xc01864cd, &(0x7f0000000180)={&(0x7f0000000080), 0x0, 0x3ffffffffffffdec}) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r0, 0xc01864cb, &(0x7f0000000500)={&(0x7f0000000300)=[r1, r1], &(0x7f0000000480), 0x2}) ioctl$TUNGETVNETBE(0xffffffffffffffff, 0x800454df, &(0x7f00000004c0)=0x1) [ 74.373060][ T45] Bluetooth: hci0: command tx timeout [ 74.446197][ T5322] ICMPv6: NA: 00:00:00:00:00:00 advertised our address fe80::aa on syz_tun! [ 74.468678][ T5322] ------------[ cut here ]------------ [ 74.470952][ T5322] WARNING: CPU: 0 PID: 5322 at mm/page_alloc.c:4935 __alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.475368][ T5322] Modules linked in: [ 74.476958][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(full) [ 74.481882][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.486939][ T5322] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.489729][ T5322] Code: 74 10 4c 89 e7 89 54 24 0c e8 74 14 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 1a 3a 74 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 [ 74.497942][ T5322] RSP: 0018:ffffc9000d3d79a0 EFLAGS: 00010246 [ 74.500612][ T5322] RAX: ffffc9000d3d7900 RBX: 0000000000000016 RCX: 0000000000000000 [ 74.503849][ T5322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d3d7a08 [ 74.507259][ T5322] RBP: ffffc9000d3d7a88 R08: ffffc9000d3d7a07 R09: 0000000000000000 [ 74.510183][ T5322] R10: ffffc9000d3d79e0 R11: fffff52001a7af41 R12: 0000000000000000 [ 74.513391][ T5322] R13: 1ffff92001a7af38 R14: 0000000000040cc0 R15: dffffc0000000000 [ 74.516761][ T5322] FS: 00007fc54eab06c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 [ 74.520550][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.523267][ T5322] CR2: 00007fc54dd84170 CR3: 000000003f1af000 CR4: 0000000000352ef0 [ 74.526721][ T5322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.529949][ T5322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.533139][ T5322] Call Trace: [ 74.534638][ T5322] [ 74.535975][ T5322] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 74.538732][ T5322] __alloc_pages_noprof+0xa/0x30 [ 74.540831][ T5322] ___kmalloc_large_node+0x85/0x210 [ 74.542994][ T5322] __kmalloc_large_node_noprof+0x18/0x90 [ 74.545147][ T5322] __kmalloc_noprof+0x36f/0x4f0 [ 74.547059][ T5322] ? drm_syncobj_array_find+0x3a/0x450 [ 74.549249][ T5322] drm_syncobj_array_find+0x3a/0x450 [ 74.551474][ T5322] drm_syncobj_timeline_signal_ioctl+0x14e/0x7d0 [ 74.554262][ T5322] ? drm_dev_exit+0x3a/0x60 [ 74.556395][ T5322] drm_ioctl_kernel+0x2cc/0x390 [ 74.558478][ T5322] ? __pfx_drm_syncobj_timeline_signal_ioctl+0x10/0x10 [ 74.561160][ T5322] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 74.563337][ T5322] drm_ioctl+0x67f/0xb10 [ 74.564934][ T5322] ? __pfx_drm_syncobj_timeline_signal_ioctl+0x10/0x10 [ 74.567876][ T5322] ? __pfx_drm_ioctl+0x10/0x10 [ 74.570211][ T5322] ? __fget_files+0x2a/0x420 [ 74.571914][ T5322] ? bpf_lsm_file_ioctl+0x9/0x20 [ 74.573849][ T5322] ? __pfx_drm_ioctl+0x10/0x10 [ 74.576349][ T5322] __se_sys_ioctl+0xfc/0x170 [ 74.578266][ T5322] do_syscall_64+0xfa/0x3b0 [ 74.580045][ T5322] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.582185][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.584672][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 74.586979][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.589309][ T5322] RIP: 0033:0x7fc54db8e929 [ 74.591098][ T5322] 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 [ 74.598902][ T5322] RSP: 002b:00007fc54eab0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.602302][ T5322] RAX: ffffffffffffffda RBX: 00007fc54ddb5fa0 RCX: 00007fc54db8e929 [ 74.605742][ T5322] RDX: 0000200000000180 RSI: 00000000c01864cd RDI: 0000000000000003 [ 74.608980][ T5322] RBP: 00007fc54dc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 74.612194][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.615871][ T5322] R13: 0000000000000000 R14: 00007fc54ddb5fa0 R15: 00007ffc33ac4e58 [ 74.619245][ T5322] [ 74.620633][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.623687][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(full) [ 74.628519][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.633551][ T5322] Call Trace: [ 74.635011][ T5322] [ 74.636331][ T5322] dump_stack_lvl+0x99/0x250 [ 74.638343][ T5322] ? __asan_memcpy+0x40/0x70 [ 74.640312][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.642895][ T5322] ? __pfx__printk+0x10/0x10 [ 74.645215][ T5322] panic+0x2db/0x790 [ 74.647317][ T5322] ? __pfx_panic+0x10/0x10 [ 74.649610][ T5322] ? show_trace_log_lvl+0x4fb/0x550 [ 74.652212][ T5322] __warn+0x31b/0x4b0 [ 74.654310][ T5322] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.657133][ T5322] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.659788][ T5322] report_bug+0x2be/0x4f0 [ 74.661691][ T5322] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.664350][ T5322] ? __alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.667089][ T5322] ? __alloc_frozen_pages_noprof+0x2ca/0x370 [ 74.669592][ T5322] handle_bug+0x84/0x160 [ 74.671330][ T5322] exc_invalid_op+0x1a/0x50 [ 74.673310][ T5322] asm_exc_invalid_op+0x1a/0x20 [ 74.675381][ T5322] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 [ 74.677957][ T5322] Code: 74 10 4c 89 e7 89 54 24 0c e8 74 14 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 1a 3a 74 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 [ 74.685968][ T5322] RSP: 0018:ffffc9000d3d79a0 EFLAGS: 00010246 [ 74.688508][ T5322] RAX: ffffc9000d3d7900 RBX: 0000000000000016 RCX: 0000000000000000 [ 74.691738][ T5322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d3d7a08 [ 74.695055][ T5322] RBP: ffffc9000d3d7a88 R08: ffffc9000d3d7a07 R09: 0000000000000000 [ 74.698428][ T5322] R10: ffffc9000d3d79e0 R11: fffff52001a7af41 R12: 0000000000000000 [ 74.701879][ T5322] R13: 1ffff92001a7af38 R14: 0000000000040cc0 R15: dffffc0000000000 [ 74.705450][ T5322] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 74.708260][ T5322] __alloc_pages_noprof+0xa/0x30 [ 74.710423][ T5322] ___kmalloc_large_node+0x85/0x210 [ 74.712630][ T5322] __kmalloc_large_node_noprof+0x18/0x90 [ 74.715009][ T5322] __kmalloc_noprof+0x36f/0x4f0 [ 74.717076][ T5322] ? drm_syncobj_array_find+0x3a/0x450 [ 74.719138][ T5322] drm_syncobj_array_find+0x3a/0x450 [ 74.721363][ T5322] drm_syncobj_timeline_signal_ioctl+0x14e/0x7d0 [ 74.724180][ T5322] ? drm_dev_exit+0x3a/0x60 [ 74.726158][ T5322] drm_ioctl_kernel+0x2cc/0x390 [ 74.728339][ T5322] ? __pfx_drm_syncobj_timeline_signal_ioctl+0x10/0x10 [ 74.731285][ T5322] ? __pfx_drm_ioctl_kernel+0x10/0x10 [ 74.733555][ T5322] drm_ioctl+0x67f/0xb10 [ 74.735315][ T5322] ? __pfx_drm_syncobj_timeline_signal_ioctl+0x10/0x10 [ 74.738149][ T5322] ? __pfx_drm_ioctl+0x10/0x10 [ 74.740279][ T5322] ? __fget_files+0x2a/0x420 [ 74.742366][ T5322] ? bpf_lsm_file_ioctl+0x9/0x20 [ 74.744549][ T5322] ? __pfx_drm_ioctl+0x10/0x10 [ 74.746694][ T5322] __se_sys_ioctl+0xfc/0x170 [ 74.748513][ T5322] do_syscall_64+0xfa/0x3b0 [ 74.750176][ T5322] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.752327][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.754662][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 74.756491][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.759011][ T5322] RIP: 0033:0x7fc54db8e929 [ 74.760718][ T5322] 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 [ 74.768622][ T5322] RSP: 002b:00007fc54eab0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.772210][ T5322] RAX: ffffffffffffffda RBX: 00007fc54ddb5fa0 RCX: 00007fc54db8e929 [ 74.775644][ T5322] RDX: 0000200000000180 RSI: 00000000c01864cd RDI: 0000000000000003 [ 74.778778][ T5322] RBP: 00007fc54dc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 74.782197][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.785827][ T5322] R13: 0000000000000000 R14: 00007fc54ddb5fa0 R15: 00007ffc33ac4e58 [ 74.789230][ T5322] [ 74.790784][ T5322] Kernel Offset: disabled [ 74.792378][ T5322] Rebooting in 86400 seconds..