syzkaller login: [ 44.886636] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:47077' (ECDSA) to the list of known hosts. 2023/05/16 15:27:38 fuzzer started 2023/05/16 15:27:39 dialing manager at localhost:35573 2023/05/16 15:27:39 checking machine... 2023/05/16 15:27:39 checking revisions... [ 47.031240] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:27:39 testing simple program... [ 47.101058] cgroup: Unknown subsys name 'net' [ 47.182670] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.147710] audit: type=1400 audit(1684250873.395:6): 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 executing program [ 62.268945] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.273401] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.275090] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.280020] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.282251] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.285201] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.676260] ------------[ cut here ]------------ [ 62.677012] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 62.679033] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.680174] Modules linked in: [ 62.680482] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.681328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.685406] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.685875] 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 [ 62.687462] RSP: 0018:ffff888017cffc00 EFLAGS: 00010282 [ 62.687939] RAX: 0000000000000000 RBX: ffff88800e705440 RCX: 0000000000000000 [ 62.688607] RDX: ffff88800d998000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.689283] RBP: ffff88800e705454 R08: 0000000000000001 R09: 0000000000000000 [ 62.689929] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 62.690600] R13: ffffffff84e223a0 R14: ffff88800e705448 R15: ffffffff84d73340 [ 62.691278] FS: 0000555556124400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.692011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.692568] CR2: 00007fe49aad6260 CR3: 000000002022e000 CR4: 0000000000350ef0 [ 62.693250] Call Trace: [ 62.693500] [ 62.693721] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 62.694209] ipv4_frags_init_net+0x269/0x440 [ 62.694631] ops_init+0xbb/0x6b0 [ 62.694963] setup_net+0x3d9/0x990 [ 62.695337] ? down_read_killable+0x1d7/0x4e0 [ 62.695763] ? __pfx_setup_net+0x10/0x10 [ 62.696165] ? copy_net_ns+0x17c/0x770 [ 62.696549] copy_net_ns+0x321/0x770 [ 62.696909] create_new_namespaces+0x3f6/0xb30 [ 62.697369] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.697830] ksys_unshare+0x44d/0x8e0 [ 62.698230] ? __pfx_ksys_unshare+0x10/0x10 [ 62.698639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.699212] __x64_sys_unshare+0x31/0x40 [ 62.699603] do_syscall_64+0x3f/0x90 [ 62.699961] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.700457] RIP: 0033:0x7f25a82200d7 [ 62.700792] 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 [ 62.702377] RSP: 002b:00007fff01f09298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.703043] RAX: ffffffffffffffda RBX: 00007fff01f098d8 RCX: 00007f25a82200d7 [ 62.703699] RDX: 00007f25a828a41f RSI: 00007fff01f09230 RDI: 0000000040000000 [ 62.704365] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff01f09040 [ 62.704994] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f25a8332bf0 [ 62.705633] R13: 00007fff01f09370 R14: 0000000000000000 R15: 00000000000000f8 [ 62.706291] [ 62.706507] irq event stamp: 7519 [ 62.706810] hardirqs last enabled at (7529): [] __up_console_sem+0x78/0x80 [ 62.707589] hardirqs last disabled at (7540): [] __up_console_sem+0x5d/0x80 [ 62.708357] softirqs last enabled at (6756): [] netlink_insert+0x187/0x1820 [ 62.709144] softirqs last disabled at (6754): [] release_sock+0x1f/0x1b0 [ 62.709878] ---[ end trace 0000000000000000 ]--- [ 62.714287] ------------[ cut here ]------------ [ 62.714721] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 62.715927] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.716687] Modules linked in: [ 62.716983] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.717813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.718535] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.718997] 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 [ 62.720585] RSP: 0018:ffff888017cffc00 EFLAGS: 00010282 [ 62.721061] RAX: 0000000000000000 RBX: ffff88800f153440 RCX: 0000000000000000 [ 62.721700] RDX: ffff88800d998000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.722353] RBP: ffff88800f153454 R08: 0000000000000001 R09: 0000000000000000 [ 62.722969] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.723635] R13: ffffffff84e223a0 R14: ffff88800f153448 R15: ffffffff84da62e0 [ 62.724272] FS: 0000555556124400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.724959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.725490] CR2: 00007fe49aad6260 CR3: 000000002022e000 CR4: 0000000000350ef0 [ 62.726143] Call Trace: [ 62.726387] [ 62.726607] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 62.727052] ipv6_frags_init_net+0x206/0x3c0 [ 62.727489] ops_init+0xbb/0x6b0 [ 62.727814] setup_net+0x3d9/0x990 [ 62.728164] ? down_read_killable+0x1d7/0x4e0 [ 62.728580] ? __pfx_setup_net+0x10/0x10 [ 62.728948] ? copy_net_ns+0x17c/0x770 [ 62.729341] copy_net_ns+0x321/0x770 [ 62.729699] create_new_namespaces+0x3f6/0xb30 [ 62.730152] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.730606] ksys_unshare+0x44d/0x8e0 [ 62.730963] ? __pfx_ksys_unshare+0x10/0x10 [ 62.731401] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.731928] __x64_sys_unshare+0x31/0x40 [ 62.732332] do_syscall_64+0x3f/0x90 [ 62.732685] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.733182] RIP: 0033:0x7f25a82200d7 [ 62.733526] 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 [ 62.735130] RSP: 002b:00007fff01f09298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.735813] RAX: ffffffffffffffda RBX: 00007fff01f098d8 RCX: 00007f25a82200d7 [ 62.736469] RDX: 00007f25a828a41f RSI: 00007fff01f09230 RDI: 0000000040000000 [ 62.737105] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff01f09040 [ 62.737757] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f25a8332bf0 [ 62.738415] R13: 00007fff01f09370 R14: 0000000000000000 R15: 00000000000000f8 [ 62.739067] [ 62.739321] irq event stamp: 9159 [ 62.739634] hardirqs last enabled at (9169): [] __up_console_sem+0x78/0x80 [ 62.740416] hardirqs last disabled at (9180): [] __up_console_sem+0x5d/0x80 [ 62.741193] softirqs last enabled at (8670): [] irq_exit_rcu+0x93/0xc0 [ 62.741921] softirqs last disabled at (8665): [] irq_exit_rcu+0x93/0xc0 [ 62.742681] ---[ end trace 0000000000000000 ]--- [ 62.743723] ------------[ cut here ]------------ [ 62.744241] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.745679] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.746458] Modules linked in: [ 62.746763] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.747619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.748366] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.748841] 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 [ 62.750444] RSP: 0018:ffff888017cffbf0 EFLAGS: 00010286 [ 62.750922] RAX: 0000000000000000 RBX: ffff888008f01440 RCX: 0000000000000000 [ 62.751584] RDX: ffff88800d998000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.752239] RBP: ffff888008f01454 R08: 0000000000000001 R09: 0000000000000000 [ 62.752874] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.753529] R13: ffffffff84e223a0 R14: ffff888008f01448 R15: ffffffff84daf020 [ 62.754183] FS: 0000555556124400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.754894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.755451] CR2: 00007fe49aad6260 CR3: 000000002022e000 CR4: 0000000000350ef0 [ 62.756082] Call Trace: [ 62.756346] [ 62.756569] nf_ct_net_init+0x224/0x3d0 [ 62.756944] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.757386] ops_init+0xbb/0x6b0 [ 62.757716] setup_net+0x3d9/0x990 [ 62.758049] ? down_read_killable+0x1d7/0x4e0 [ 62.758491] ? __pfx_setup_net+0x10/0x10 [ 62.758862] ? copy_net_ns+0x17c/0x770 [ 62.759266] copy_net_ns+0x321/0x770 [ 62.759619] create_new_namespaces+0x3f6/0xb30 [ 62.760049] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.760524] ksys_unshare+0x44d/0x8e0 [ 62.760888] ? __pfx_ksys_unshare+0x10/0x10 [ 62.761316] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.761842] __x64_sys_unshare+0x31/0x40 [ 62.762243] do_syscall_64+0x3f/0x90 [ 62.762594] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.763062] RIP: 0033:0x7f25a82200d7 [ 62.763446] 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 [ 62.765048] RSP: 002b:00007fff01f09298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.765749] RAX: ffffffffffffffda RBX: 00007fff01f098d8 RCX: 00007f25a82200d7 [ 62.766401] RDX: 00007f25a828a41f RSI: 00007fff01f09230 RDI: 0000000040000000 [ 62.767031] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff01f09040 [ 62.767691] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f25a8332bf0 [ 62.768351] R13: 00007fff01f09370 R14: 0000000000000000 R15: 00000000000000f8 [ 62.769000] [ 62.769246] irq event stamp: 9963 [ 62.769558] hardirqs last enabled at (9973): [] __up_console_sem+0x78/0x80 [ 62.770335] hardirqs last disabled at (9984): [] __up_console_sem+0x5d/0x80 [ 62.771092] softirqs last enabled at (9462): [] irq_exit_rcu+0x93/0xc0 [ 62.771873] softirqs last disabled at (9421): [] irq_exit_rcu+0x93/0xc0 [ 62.772628] ---[ end trace 0000000000000000 ]--- [ 64.352785] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 66.400437] Bluetooth: hci0: command 0x041b tx timeout executing program [ 68.448198] Bluetooth: hci0: command 0x040f tx timeout [ 70.496218] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:27:44 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888017cff618 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 0000555556124400 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=00007fe49aad6260 CR3=000000002022e000 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=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 info registers vcpu 1 RAX=000000000004116d RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 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=00007f77ba4aa2c0 CR3=000000000caa6000 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=2034353a37323a35312036312079614d XMM01=5d3832333138362e32362020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3832333138362e32362020205b20 XMM07=732034353a37323a3531203631207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000