syzkaller login: [ 53.555539] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:44930' (ECDSA) to the list of known hosts. 2023/05/17 06:16:54 fuzzer started 2023/05/17 06:16:55 dialing manager at localhost:35573 2023/05/17 06:16:55 checking machine... 2023/05/17 06:16:55 checking revisions... [ 55.760391] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:16:55 testing simple program... [ 55.828899] cgroup: Unknown subsys name 'net' [ 55.925149] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 68.935028] audit: type=1400 audit(1684304228.580:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 70.067691] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.070189] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.071639] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.074928] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.077482] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.078688] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.467890] ------------[ cut here ]------------ [ 70.468668] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 70.470727] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.472022] Modules linked in: [ 70.472510] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.477520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.478690] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.479462] 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 [ 70.481665] RSP: 0018:ffff88801f307c00 EFLAGS: 00010282 [ 70.482368] RAX: 0000000000000000 RBX: ffff88800d9cfc40 RCX: 0000000000000000 [ 70.483273] RDX: ffff88800fda3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.484146] RBP: ffff88800d9cfc54 R08: 0000000000000001 R09: 0000000000000000 [ 70.485046] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 70.485918] R13: ffffffff84e223a0 R14: ffff88800d9cfc48 R15: ffffffff84d73340 [ 70.486774] FS: 000055555591b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.487751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.488488] CR2: 00007f733c6796f4 CR3: 000000001684c000 CR4: 0000000000350ef0 [ 70.489365] Call Trace: [ 70.489687] [ 70.490011] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 70.490610] ipv4_frags_init_net+0x269/0x440 [ 70.491193] ops_init+0xbb/0x6b0 [ 70.491631] setup_net+0x3d9/0x990 [ 70.492111] ? down_read_killable+0x1d7/0x4e0 [ 70.492668] ? __pfx_setup_net+0x10/0x10 [ 70.493227] ? copy_net_ns+0x17c/0x770 [ 70.493725] copy_net_ns+0x321/0x770 [ 70.494232] create_new_namespaces+0x3f6/0xb30 [ 70.494841] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.495456] ksys_unshare+0x44d/0x8e0 [ 70.495973] ? __pfx_ksys_unshare+0x10/0x10 [ 70.496510] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.497246] __x64_sys_unshare+0x31/0x40 [ 70.497755] do_syscall_64+0x3f/0x90 [ 70.498252] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.498905] RIP: 0033:0x7fe1c9de00d7 [ 70.499359] 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 [ 70.501512] RSP: 002b:00007ffcbcec9c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.502442] RAX: ffffffffffffffda RBX: 00007ffcbceca258 RCX: 00007fe1c9de00d7 [ 70.503312] RDX: 00007fe1c9e4a41f RSI: 00007ffcbcec9bb0 RDI: 0000000040000000 [ 70.504186] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbcec99c0 [ 70.505062] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1c9ef2bf0 [ 70.505942] R13: 00007ffcbcec9cf0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.506857] [ 70.507166] irq event stamp: 8131 [ 70.507590] hardirqs last enabled at (8141): [] __up_console_sem+0x78/0x80 [ 70.508658] hardirqs last disabled at (8152): [] __up_console_sem+0x5d/0x80 [ 70.509735] softirqs last enabled at (7688): [] irq_exit_rcu+0x93/0xc0 [ 70.510760] softirqs last disabled at (7649): [] irq_exit_rcu+0x93/0xc0 [ 70.511773] ---[ end trace 0000000000000000 ]--- [ 70.517522] ------------[ cut here ]------------ [ 70.518145] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 70.519761] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.520850] Modules linked in: [ 70.521263] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.522426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.523433] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.524108] 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 [ 70.526272] RSP: 0018:ffff88801f307c00 EFLAGS: 00010282 [ 70.526959] RAX: 0000000000000000 RBX: ffff88800e581a40 RCX: 0000000000000000 [ 70.527838] RDX: ffff88800fda3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.528690] RBP: ffff88800e581a54 R08: 0000000000000001 R09: 0000000000000000 [ 70.529619] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.530505] R13: ffffffff84e223a0 R14: ffff88800e581a48 R15: ffffffff84da62e0 [ 70.531397] FS: 000055555591b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.532394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.533139] CR2: 00007f733c6796f4 CR3: 000000001684c000 CR4: 0000000000350ef0 [ 70.534035] Call Trace: [ 70.534358] [ 70.534657] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 70.535297] ipv6_frags_init_net+0x206/0x3c0 [ 70.535879] ops_init+0xbb/0x6b0 [ 70.536314] setup_net+0x3d9/0x990 [ 70.536760] ? down_read_killable+0x1d7/0x4e0 [ 70.537365] ? __pfx_setup_net+0x10/0x10 [ 70.537905] ? copy_net_ns+0x17c/0x770 [ 70.538398] copy_net_ns+0x321/0x770 [ 70.538903] create_new_namespaces+0x3f6/0xb30 [ 70.539477] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.540114] ksys_unshare+0x44d/0x8e0 [ 70.540599] ? __pfx_ksys_unshare+0x10/0x10 [ 70.541185] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.541914] __x64_sys_unshare+0x31/0x40 [ 70.542423] do_syscall_64+0x3f/0x90 [ 70.542920] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.543551] RIP: 0033:0x7fe1c9de00d7 [ 70.544037] 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 [ 70.546239] RSP: 002b:00007ffcbcec9c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.547178] RAX: ffffffffffffffda RBX: 00007ffcbceca258 RCX: 00007fe1c9de00d7 [ 70.548044] RDX: 00007fe1c9e4a41f RSI: 00007ffcbcec9bb0 RDI: 0000000040000000 [ 70.548920] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbcec99c0 [ 70.549775] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1c9ef2bf0 [ 70.550651] R13: 00007ffcbcec9cf0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.551547] [ 70.551872] irq event stamp: 9873 [ 70.552292] hardirqs last enabled at (9883): [] __up_console_sem+0x78/0x80 [ 70.553356] hardirqs last disabled at (9894): [] __up_console_sem+0x5d/0x80 [ 70.554400] softirqs last enabled at (9780): [] irq_exit_rcu+0x93/0xc0 [ 70.555422] softirqs last disabled at (9765): [] irq_exit_rcu+0x93/0xc0 [ 70.556427] ---[ end trace 0000000000000000 ]--- [ 70.558532] ------------[ cut here ]------------ [ 70.559193] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 70.561199] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.562241] Modules linked in: [ 70.562645] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.563784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.564771] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.565448] 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 [ 70.567579] RSP: 0018:ffff88801f307bf0 EFLAGS: 00010286 [ 70.568254] RAX: 0000000000000000 RBX: ffff88800e581240 RCX: 0000000000000000 [ 70.569139] RDX: ffff88800fda3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.570018] RBP: ffff88800e581254 R08: 0000000000000001 R09: 0000000000000000 [ 70.570894] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.571739] R13: ffffffff84e223a0 R14: ffff88800e581248 R15: ffffffff84daf020 [ 70.572612] FS: 000055555591b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.573608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.574334] CR2: 00007f733c6796f4 CR3: 000000001684c000 CR4: 0000000000350ef0 [ 70.575208] Call Trace: [ 70.575527] [ 70.575851] nf_ct_net_init+0x224/0x3d0 [ 70.576360] ? __pfx_nf_ct_net_init+0x10/0x10 [ 70.576958] ops_init+0xbb/0x6b0 [ 70.577457] setup_net+0x3d9/0x990 [ 70.577937] ? down_read_killable+0x1d7/0x4e0 [ 70.578497] ? __pfx_setup_net+0x10/0x10 [ 70.579030] ? copy_net_ns+0x17c/0x770 [ 70.579527] copy_net_ns+0x321/0x770 [ 70.580028] create_new_namespaces+0x3f6/0xb30 [ 70.580604] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.581259] ksys_unshare+0x44d/0x8e0 [ 70.581748] ? __pfx_ksys_unshare+0x10/0x10 [ 70.582317] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.583051] __x64_sys_unshare+0x31/0x40 [ 70.583567] do_syscall_64+0x3f/0x90 [ 70.584069] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.584711] RIP: 0033:0x7fe1c9de00d7 [ 70.585231] 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 [ 70.587417] RSP: 002b:00007ffcbcec9c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.588355] RAX: ffffffffffffffda RBX: 00007ffcbceca258 RCX: 00007fe1c9de00d7 [ 70.589265] RDX: 00007fe1c9e4a41f RSI: 00007ffcbcec9bb0 RDI: 0000000040000000 [ 70.590149] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbcec99c0 [ 70.591033] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1c9ef2bf0 [ 70.591922] R13: 00007ffcbcec9cf0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.592797] [ 70.593157] irq event stamp: 10659 [ 70.593585] hardirqs last enabled at (10669): [] __up_console_sem+0x78/0x80 [ 70.594684] hardirqs last disabled at (10680): [] __up_console_sem+0x5d/0x80 [ 70.595832] softirqs last enabled at (10596): [] irq_exit_rcu+0x93/0xc0 [ 70.596924] softirqs last disabled at (10591): [] irq_exit_rcu+0x93/0xc0 [ 70.598032] ---[ end trace 0000000000000000 ]--- executing program [ 72.146411] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 74.193882] Bluetooth: hci0: command 0x041b tx timeout [ 76.241866] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.289892] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:16:58 Registers: info registers vcpu 0 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f3075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 000055555591b400 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=00007f733c6796f4 CR3=000000001684c000 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=0000000000022929 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=00007f576ed75d60 CR3=000000000e006000 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=2030313a37313a36302037312079614d XMM01=5d3232303237342e30372020205b203a XMM02=646f4d205d3232303237342e30372020 XMM03=6b7a79732030313a37313a3630203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120343632203a4449 XMM06=57205d3732373037342e30372020205b XMM07=79732030313a37313a36302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000