program: r0 = openat$udambuf(0xffffffffffffff9c, &(0x7f0000000000), 0x2) r1 = memfd_create(&(0x7f0000000040)='\\{\x00', 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000080)={0x1, 0x2, [{0xffffffffffffffff, 0x0, 0x1000000, 0x2000000000000}, {r1, 0x0, 0xfffffffff0000000, 0x8000}]}) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x2) ioctl$KVM_SET_VAPIC_ADDR(r2, 0x4008ae93, &(0x7f00000000c0)) r3 = memfd_secret(0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000200)={@cgroup=r3, 0x3, 0x0, 0x8, &(0x7f0000000100)=[0x0], 0x1, 0x0, &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000180)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000001c0)=[0x0, 0x0]}, 0x40) r5 = getpgid(0x0) read$FUSE(r3, &(0x7f0000000240)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) rt_tgsigqueueinfo(r5, r6, 0x1d, &(0x7f0000002280)={0x1b, 0x1bda, 0x90}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r3, 0xc0189371, &(0x7f0000002300)={{0x1, 0x1, 0x18, r4}, './file0\x00'}) epoll_pwait2(r7, &(0x7f0000002340)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, &(0x7f00000023c0)={0x0, 0x989680}, &(0x7f0000002400)={[0x10000]}, 0x8) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000003440)={r3, &(0x7f0000002440)="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"}, 0x20) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r2, 0x6612) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BSG_SET_TIMEOUT(r7, 0x2201, &(0x7f0000003480)=0x8) pidfd_send_signal(r7, 0x31, &(0x7f00000034c0)={0x22, 0x9, 0x2}, 0x0) ioctl$USBDEVFS_CLAIMINTERFACE(r7, 0x8004550f, &(0x7f0000003540)=0xfffffffe) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f0000003580)={0x2, 0x16, "6432888d6aec8221064ec2fd44e5428170fab5de8c50"}, &(0x7f00000035c0)=0x1e) setsockopt$inet_sctp6_SCTP_ASCONF_SUPPORTED(r3, 0x84, 0x80, &(0x7f0000003600)={r8, 0x7}, 0x8) ioctl$KVM_SMI(r2, 0xaeb7) socket$nl_netfilter(0x10, 0x3, 0xc) ptrace$setsig(0x4203, r5, 0x8000000000000001, &(0x7f0000003640)={0xb, 0x80000000, 0x81}) io_submit(0x0, 0x1, &(0x7f00000037c0)=[&(0x7f0000003780)={0x0, 0x0, 0x0, 0x8, 0x1, r7, &(0x7f00000036c0)="82c68d0046c15f5587b3f27a19bc2e626c92453ed11d6046466f565ec1cf285838c9caa943e86e396e77a1019d372c36d78783b7f2607e2775cf519f0beb26841130622807e3371190c1530684535e6ca05544a9aa9fc435255d858ee17ee09834d491489797f0db11b81517593f836c70172b9b3b27d1293da9b772878010e6744673171362527a4e3097b71954d3b09cb193", 0x93, 0x9, 0x0, 0x3}]) sendmsg$DEVLINK_CMD_SB_POOL_SET(r7, &(0x7f0000003a00)={&(0x7f0000003800)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000039c0)={&(0x7f0000003840)={0x148, 0x0, 0x20, 0x70bd2c, 0x25dfdbff, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x8000}, {0x6, 0x11, 0x1a86}, {0x8}, {0x5, 0x14, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0xfffa}, {0x8}, {0x5, 0x14, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x7f}, {0x6, 0x11, 0x2}, {0x8, 0x13, 0xb}, {0x5}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x9}, {0x8, 0x13, 0x400}, {0x5}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4c}, {0x6, 0x11, 0x4}, {0x8, 0x13, 0x8}, {0x5}}]}, 0x148}, 0x1, 0x0, 0x0, 0x40000}, 0x2401c881) r9 = openat$ndctl0(0xffffffffffffff9c, &(0x7f0000003a40), 0x400001, 0x0) ioctl$SIOCX25SCALLUSERDATA(r9, 0x89e5, &(0x7f0000003a80)={0x4f, "55f2c10fd557f9c1c59842e0ecf4cc3271e577a88bca14c51d79046bf49ea959af66108ab3f910bb0d90cd908d5aadd0181ef77c67ee0af63db909fd9dee83afc927384c2c226a8a7c445c74d9e4775ef57eed16fdbd12f21b9b43a7d7bbca708e4487eb663d3afc68c9b128153fe4e3ee883af548a9023a1db8341518aa2921"}) ioctl$PERF_EVENT_IOC_SET_FILTER(r7, 0x40082406, &(0x7f0000003b40)='$-\'\x00') ioctl$F2FS_IOC_GET_FEATURES(r3, 0x8004f50c, &(0x7f0000003b80)) ioctl$SIOCX25GCALLUSERDATA(r9, 0x89e4, &(0x7f0000003bc0)={0x18, "c18e89c178ecc794420c08ac46de3247f786db3c1cb5a3b5f62335ee4d05b20c9121aba5c0da4f09fb77a882a5c0af495b8ed755736285e3252921f2eb4d5f7be781e8a43ee1be3a9d2043da7e847356932dc7a2e411d1ae9bf16ca259dee421549eed6da6f9eaf2f7a6c32d037425d7a79aa7c273a1532b8305ca8774e27ef9"}) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa1000) [ 385.294395][ T4668] Bluetooth: hci0: command tx timeout [ 385.299075][ T1338] ieee802154 phy0 wpan0: encryption failed: -22 [ 385.300312][ T1338] ieee802154 phy1 wpan1: encryption failed: -22 [ 385.447744][ T5400] ------------[ cut here ]------------ [ 385.447755][ T5400] !(flags & __GFP_NOWARN) [ 385.447760][ T5400] WARNING: mm/slub.c:7144 at __kvmalloc_node_noprof+0x793/0x820, CPU#0: syz.0.0/5400 [ 385.456519][ T5400] Modules linked in: [ 385.458417][ T5400] CPU: 0 UID: 0 PID: 5400 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 385.462358][ T5400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 385.466568][ T5400] RIP: 0010:__kvmalloc_node_noprof+0x793/0x820 [ 385.468865][ T5400] Code: ff 48 c7 c7 70 e1 29 90 48 89 de e8 d7 52 f9 02 e9 1b fc ff ff 48 c7 c7 b0 e1 29 90 48 89 de e8 c3 52 f9 02 e9 4c fc ff ff 90 <0f> 0b 90 31 db e9 06 fe ff ff 90 0f 0b 90 e9 55 ff ff ff 49 83 7f [ 385.476636][ T5400] RSP: 0018:ffffc9000e57fae0 EFLAGS: 00010246 [ 385.479255][ T5400] RAX: 0000000000000200 RBX: 0000000000000000 RCX: 8000000000000001 [ 385.482515][ T5400] RDX: 0000010000000040 RSI: ffffffff8c8eba60 RDI: ffffffff8c8eba20 [ 385.485838][ T5400] RBP: 00000000ffffffff R08: 00000000000028c0 R09: 00000000ffffffff [ 385.489212][ T5400] R10: dffffc0000000000 R11: fffffbfff237c858 R12: 0000010000000040 [ 385.492390][ T5400] R13: 00000000000028c0 R14: 0000002000000000 R15: ffffffff866e97a9 [ 385.495750][ T5400] FS: 00007feecc1f56c0(0000) GS:ffff88808a9f4000(0000) knlGS:0000000000000000 [ 385.499788][ T5400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 385.502738][ T5400] CR2: 00007f3a69be7250 CR3: 000000000c16a000 CR4: 0000000000352ef0 [ 385.506101][ T5400] Call Trace: [ 385.508113][ T5400] [ 385.509416][ T5400] ? __kmalloc_cache_noprof+0x31c/0x600 [ 385.511800][ T5400] ? udmabuf_create+0xd1/0xf10 [ 385.513881][ T5400] ? udmabuf_create+0x2d9/0xf10 [ 385.515982][ T5400] udmabuf_create+0x2d9/0xf10 [ 385.518282][ T5400] ? lock_acquire+0x115/0x350 [ 385.520668][ T5400] ? __pfx_udmabuf_create+0x10/0x10 [ 385.522899][ T5400] ? __might_fault+0xaf/0x130 [ 385.524965][ T5400] ? _copy_from_user+0x94/0xb0 [ 385.529672][ T5400] udmabuf_ioctl+0x29a/0x300 [ 385.531697][ T5400] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 385.533844][ T5400] ? __fget_files+0x2a/0x420 [ 385.535689][ T5400] ? __fget_files+0x2a/0x420 [ 385.537710][ T5400] ? __fget_files+0x2a/0x420 [ 385.539516][ T5400] ? bpf_lsm_file_ioctl+0x9/0x20 [ 385.541490][ T5400] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 385.543663][ T5400] __se_sys_ioctl+0xfc/0x170 [ 385.545614][ T5400] do_syscall_64+0x16a/0x530 [ 385.548805][ T5400] ? trace_irq_disable+0x3b/0x140 [ 385.550904][ T5400] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 385.553250][ T5400] ? clear_bhb_loop+0x70/0xc0 [ 385.555278][ T5400] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 385.557822][ T5400] RIP: 0033:0x7feecfda94d9 [ 385.559664][ T5400] 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 [ 385.568073][ T5400] RSP: 002b:00007feecc1f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 385.571631][ T5400] RAX: ffffffffffffffda RBX: 00007feed0025fa0 RCX: 00007feecfda94d9 [ 385.575148][ T5400] RDX: 0000200000000080 RSI: 0000000040087543 RDI: 0000000000000003 [ 385.578808][ T5400] RBP: 00007feecfe3804e R08: 0000000000000000 R09: 0000000000000000 [ 385.582294][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 385.585927][ T5400] R13: 00007feed0026038 R14: 00007feed0025fa0 R15: 00007ffe5f763288 [ 385.589257][ T5400] [ 385.590522][ T5400] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 385.593616][ T5400] CPU: 0 UID: 0 PID: 5400 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 385.597700][ T5400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 385.602423][ T5400] Call Trace: [ 385.603976][ T5400] [ 385.605279][ T5400] vpanic+0x26f/0x710 [ 385.607038][ T5400] panic+0xc5/0xd0 [ 385.608735][ T5400] ? __pfx_panic+0x10/0x10 [ 385.610687][ T5400] __warn+0x315/0x4c0 [ 385.612514][ T5400] ? __kvmalloc_node_noprof+0x793/0x820 [ 385.614909][ T5400] ? __kvmalloc_node_noprof+0x793/0x820 [ 385.617033][ T5400] __report_bug+0x276/0x570 [ 385.618911][ T5400] ? __kvmalloc_node_noprof+0x793/0x820 [ 385.621198][ T5400] ? __pfx___report_bug+0x10/0x10 [ 385.623382][ T5400] ? lockdep_hardirqs_on+0x7b/0x110 [ 385.625586][ T5400] ? irqentry_exit+0x2a0/0x9b0 [ 385.627615][ T5400] ? trace_irq_disable+0x3b/0x140 [ 385.629624][ T5400] ? __kvmalloc_node_noprof+0x795/0x820 [ 385.631884][ T5400] ? __kvmalloc_node_noprof+0x793/0x820 [ 385.634212][ T5400] report_bug+0x16b/0x220 [ 385.636019][ T5400] ? __kvmalloc_node_noprof+0x793/0x820 [ 385.638332][ T5400] ? __kvmalloc_node_noprof+0x795/0x820 [ 385.640783][ T5400] handle_bug+0x9c/0x200 [ 385.642489][ T5400] exc_invalid_op+0x1a/0x50 [ 385.644232][ T5400] asm_exc_invalid_op+0x1a/0x20 [ 385.646245][ T5400] RIP: 0010:__kvmalloc_node_noprof+0x793/0x820 [ 385.648831][ T5400] Code: ff 48 c7 c7 70 e1 29 90 48 89 de e8 d7 52 f9 02 e9 1b fc ff ff 48 c7 c7 b0 e1 29 90 48 89 de e8 c3 52 f9 02 e9 4c fc ff ff 90 <0f> 0b 90 31 db e9 06 fe ff ff 90 0f 0b 90 e9 55 ff ff ff 49 83 7f [ 385.656863][ T5400] RSP: 0018:ffffc9000e57fae0 EFLAGS: 00010246 [ 385.659330][ T5400] RAX: 0000000000000200 RBX: 0000000000000000 RCX: 8000000000000001 [ 385.662490][ T5400] RDX: 0000010000000040 RSI: ffffffff8c8eba60 RDI: ffffffff8c8eba20 [ 385.665640][ T5400] RBP: 00000000ffffffff R08: 00000000000028c0 R09: 00000000ffffffff [ 385.668883][ T5400] R10: dffffc0000000000 R11: fffffbfff237c858 R12: 0000010000000040 [ 385.672112][ T5400] R13: 00000000000028c0 R14: 0000002000000000 R15: ffffffff866e97a9 [ 385.675271][ T5400] ? udmabuf_create+0x2d9/0xf10 [ 385.677474][ T5400] ? __kmalloc_cache_noprof+0x31c/0x600 [ 385.682354][ T5400] ? udmabuf_create+0xd1/0xf10 [ 385.684747][ T5400] ? udmabuf_create+0x2d9/0xf10 [ 385.687029][ T5400] udmabuf_create+0x2d9/0xf10 [ 385.689152][ T5400] ? lock_acquire+0x115/0x350 [ 385.691308][ T5400] ? __pfx_udmabuf_create+0x10/0x10 [ 385.693620][ T5400] ? __might_fault+0xaf/0x130 [ 385.695743][ T5400] ? _copy_from_user+0x94/0xb0 [ 385.697888][ T5400] udmabuf_ioctl+0x29a/0x300 [ 385.700001][ T5400] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 385.702297][ T5400] ? __fget_files+0x2a/0x420 [ 385.704398][ T5400] ? __fget_files+0x2a/0x420 [ 385.706493][ T5400] ? __fget_files+0x2a/0x420 [ 385.708543][ T5400] ? bpf_lsm_file_ioctl+0x9/0x20 [ 385.710751][ T5400] ? __pfx_udmabuf_ioctl+0x10/0x10 [ 385.713654][ T5400] __se_sys_ioctl+0xfc/0x170 [ 385.715745][ T5400] do_syscall_64+0x16a/0x530 [ 385.717871][ T5400] ? trace_irq_disable+0x3b/0x140 [ 385.720305][ T5400] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 385.722918][ T5400] ? clear_bhb_loop+0x70/0xc0 [ 385.725017][ T5400] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 385.727509][ T5400] RIP: 0033:0x7feecfda94d9 [ 385.729518][ T5400] 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 [ 385.737406][ T5400] RSP: 002b:00007feecc1f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 385.741028][ T5400] RAX: ffffffffffffffda RBX: 00007feed0025fa0 RCX: 00007feecfda94d9 [ 385.744346][ T5400] RDX: 0000200000000080 RSI: 0000000040087543 RDI: 0000000000000003 [ 385.747365][ T5400] RBP: 00007feecfe3804e R08: 0000000000000000 R09: 0000000000000000 [ 385.750606][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 385.753915][ T5400] R13: 00007feed0026038 R14: 00007feed0025fa0 R15: 00007ffe5f763288 [ 385.757445][ T5400] [ 385.759387][ T5400] Kernel Offset: disabled [ 385.761316][ T5400] Rebooting in 86400 seconds..