syzkaller login: [ 40.098589] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:5355' (ECDSA) to the list of known hosts. 2023/05/17 04:29:23 fuzzer started 2023/05/17 04:29:23 dialing manager at localhost:35573 2023/05/17 04:29:23 checking machine... 2023/05/17 04:29:23 checking revisions... [ 41.447427] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:29:24 testing simple program... [ 41.545958] cgroup: Unknown subsys name 'net' [ 41.635491] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.809788] audit: type=1400 audit(1684297777.376:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.904008] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.905767] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.907575] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.911043] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.912755] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.915184] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 56.310528] ------------[ cut here ]------------ [ 56.311378] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.313502] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.315029] Modules linked in: [ 56.315553] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.320320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.321529] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.322241] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.324516] RSP: 0018:ffff88801fff7c00 EFLAGS: 00010282 [ 56.325237] RAX: 0000000000000000 RBX: ffff88800c9cc040 RCX: 0000000000000000 [ 56.326137] RDX: ffff88800fa051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.327058] RBP: ffff88800c9cc054 R08: 0000000000000001 R09: 0000000000000000 [ 56.327958] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.328861] R13: ffffffff84e223a0 R14: ffff88800c9cc048 R15: ffffffff84d73340 [ 56.329788] FS: 00005555570e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.330819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.331535] CR2: 00007f54f35f56f4 CR3: 000000000eb08000 CR4: 0000000000350ee0 [ 56.332430] Call Trace: [ 56.332786] [ 56.333097] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.333737] ipv4_frags_init_net+0x269/0x440 [ 56.334309] ops_init+0xbb/0x6b0 [ 56.334794] setup_net+0x3d9/0x990 [ 56.335251] ? down_read_killable+0x1d7/0x4e0 [ 56.335855] ? __pfx_setup_net+0x10/0x10 [ 56.336364] ? copy_net_ns+0x17c/0x770 [ 56.336918] copy_net_ns+0x321/0x770 [ 56.337428] create_new_namespaces+0x3f6/0xb30 [ 56.338054] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.338722] ksys_unshare+0x44d/0x8e0 [ 56.339221] ? __pfx_ksys_unshare+0x10/0x10 [ 56.339802] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.340520] __x64_sys_unshare+0x31/0x40 [ 56.341088] do_syscall_64+0x3f/0x90 [ 56.341571] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.342266] RIP: 0033:0x7f9a1a8700d7 [ 56.342762] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.344970] RSP: 002b:00007fff07bd6038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.345916] RAX: ffffffffffffffda RBX: 00007fff07bd6678 RCX: 00007f9a1a8700d7 [ 56.346829] RDX: 00007f9a1a8da41f RSI: 00007fff07bd5fd0 RDI: 0000000040000000 [ 56.347751] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff07bd5de0 [ 56.348614] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a1a982bf0 [ 56.349532] R13: 00007fff07bd6110 R14: 0000000000000000 R15: 00000000000000f8 [ 56.350453] [ 56.350796] irq event stamp: 7689 [ 56.351226] hardirqs last enabled at (7699): [] __up_console_sem+0x78/0x80 [ 56.352302] hardirqs last disabled at (7710): [] __up_console_sem+0x5d/0x80 [ 56.353379] softirqs last enabled at (7234): [] irq_exit_rcu+0x93/0xc0 [ 56.354422] softirqs last disabled at (7179): [] irq_exit_rcu+0x93/0xc0 [ 56.355465] ---[ end trace 0000000000000000 ]--- [ 56.360932] ------------[ cut here ]------------ [ 56.361547] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.363287] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.364369] Modules linked in: [ 56.364814] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.365993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.367045] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.367734] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.369986] RSP: 0018:ffff88801fff7c00 EFLAGS: 00010282 [ 56.370702] RAX: 0000000000000000 RBX: ffff88800d859e40 RCX: 0000000000000000 [ 56.371579] RDX: ffff88800fa051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.372480] RBP: ffff88800d859e54 R08: 0000000000000001 R09: 0000000000000000 [ 56.373387] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.374295] R13: ffffffff84e223a0 R14: ffff88800d859e48 R15: ffffffff84da62e0 [ 56.375204] FS: 00005555570e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.376214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.376970] CR2: 00007f54f35f56f4 CR3: 000000000eb08000 CR4: 0000000000350ee0 [ 56.377915] Call Trace: [ 56.378255] [ 56.378571] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.379245] ipv6_frags_init_net+0x206/0x3c0 [ 56.379864] ops_init+0xbb/0x6b0 [ 56.380332] setup_net+0x3d9/0x990 [ 56.380842] ? down_read_killable+0x1d7/0x4e0 [ 56.381455] ? __pfx_setup_net+0x10/0x10 [ 56.382028] ? copy_net_ns+0x17c/0x770 [ 56.382553] copy_net_ns+0x321/0x770 [ 56.383088] create_new_namespaces+0x3f6/0xb30 [ 56.383736] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.384383] ksys_unshare+0x44d/0x8e0 [ 56.384929] ? __pfx_ksys_unshare+0x10/0x10 [ 56.385518] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.386299] __x64_sys_unshare+0x31/0x40 [ 56.386872] do_syscall_64+0x3f/0x90 [ 56.387375] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.388070] RIP: 0033:0x7f9a1a8700d7 [ 56.388555] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.390857] RSP: 002b:00007fff07bd6038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.391870] RAX: ffffffffffffffda RBX: 00007fff07bd6678 RCX: 00007f9a1a8700d7 [ 56.392803] RDX: 00007f9a1a8da41f RSI: 00007fff07bd5fd0 RDI: 0000000040000000 [ 56.393756] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff07bd5de0 [ 56.394705] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a1a982bf0 [ 56.395600] R13: 00007fff07bd6110 R14: 0000000000000000 R15: 00000000000000f8 [ 56.396559] [ 56.396908] irq event stamp: 9357 [ 56.397385] hardirqs last enabled at (9367): [] __up_console_sem+0x78/0x80 [ 56.398501] hardirqs last disabled at (9378): [] __up_console_sem+0x5d/0x80 [ 56.399615] softirqs last enabled at (8314): [] netlink_insert+0x187/0x1820 [ 56.400780] softirqs last disabled at (8312): [] release_sock+0x1f/0x1b0 [ 56.401898] ---[ end trace 0000000000000000 ]--- [ 56.403319] ------------[ cut here ]------------ [ 56.404100] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.406150] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.407231] Modules linked in: [ 56.407674] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.408839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.409867] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.410515] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.412734] RSP: 0018:ffff88801fff7bf0 EFLAGS: 00010286 [ 56.413414] RAX: 0000000000000000 RBX: ffff88800d858440 RCX: 0000000000000000 [ 56.414330] RDX: ffff88800fa051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.415222] RBP: ffff88800d858454 R08: 0000000000000001 R09: 0000000000000000 [ 56.416121] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.417020] R13: ffffffff84e223a0 R14: ffff88800d858448 R15: ffffffff84daf020 [ 56.417909] FS: 00005555570e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.418912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.419670] CR2: 00007f54f35f56f4 CR3: 000000000eb08000 CR4: 0000000000350ee0 [ 56.420533] Call Trace: [ 56.420899] [ 56.421215] nf_ct_net_init+0x224/0x3d0 [ 56.421761] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.422338] ops_init+0xbb/0x6b0 [ 56.422815] setup_net+0x3d9/0x990 [ 56.423278] ? down_read_killable+0x1d7/0x4e0 [ 56.423882] ? __pfx_setup_net+0x10/0x10 [ 56.424403] ? copy_net_ns+0x17c/0x770 [ 56.424940] copy_net_ns+0x321/0x770 [ 56.425453] create_new_namespaces+0x3f6/0xb30 [ 56.426076] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.426726] ksys_unshare+0x44d/0x8e0 [ 56.427229] ? __pfx_ksys_unshare+0x10/0x10 [ 56.427816] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.428539] __x64_sys_unshare+0x31/0x40 [ 56.429104] do_syscall_64+0x3f/0x90 [ 56.429585] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.430261] RIP: 0033:0x7f9a1a8700d7 [ 56.430762] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.432986] RSP: 002b:00007fff07bd6038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.433952] RAX: ffffffffffffffda RBX: 00007fff07bd6678 RCX: 00007f9a1a8700d7 [ 56.434847] RDX: 00007f9a1a8da41f RSI: 00007fff07bd5fd0 RDI: 0000000040000000 [ 56.435753] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff07bd5de0 [ 56.436624] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a1a982bf0 [ 56.437546] R13: 00007fff07bd6110 R14: 0000000000000000 R15: 00000000000000f8 [ 56.438473] [ 56.438807] irq event stamp: 10285 [ 56.439252] hardirqs last enabled at (10295): [] __up_console_sem+0x78/0x80 [ 56.440327] hardirqs last disabled at (10306): [] __up_console_sem+0x5d/0x80 [ 56.441411] softirqs last enabled at (9960): [] irq_exit_rcu+0x93/0xc0 [ 56.442453] softirqs last disabled at (9955): [] irq_exit_rcu+0x93/0xc0 [ 56.443506] ---[ end trace 0000000000000000 ]--- [ 57.932819] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.979712] Bluetooth: hci0: command 0x041b tx timeout [ 62.027716] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.074692] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:29:33 Registers: info registers vcpu 0 RAX=fffffbfff0ba6943 RBX=1ffff1100d9c1392 RCX=ffffffff8124ce63 RDX=fffffbfff0ba6943 RSI=0000000000000008 RDI=ffffffff85d34a10 RBP=fffffbfff0ba6942 RSP=ffff88806ce09c38 R8 =0000000000000000 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=0000000000000001 R12=0000000000000287 R13=0000000000000000 R14=ffff888008d92450 R15=0000000000000003 RIP=ffffffff8181055f RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1ab48de070 CR3=000000000ec7c000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=cbc2c89e963a5cb2fd4b17e25a9db5a7 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=6b5ea86aa9f47b11000000000013c110 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=e2fa59930adb2fd300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fff75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555570e8400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f54f35f56f4 CR3=000000000eb08000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000