syzkaller login: [ 33.789424] sshd (212) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29667' (ECDSA) to the list of known hosts. 2023/05/18 09:38:16 fuzzer started 2023/05/18 09:38:16 dialing manager at localhost:44319 2023/05/18 09:38:16 checking machine... 2023/05/18 09:38:16 checking revisions... [ 40.532235] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:38:16 testing simple program... [ 40.607659] cgroup: Unknown subsys name 'net' [ 40.694991] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.372885] audit: type=1400 audit(1684402709.668:6): 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 [ 54.523033] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.524956] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.526182] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.528865] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.531017] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.532671] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.924252] ------------[ cut here ]------------ [ 54.925039] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.926994] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.928507] Modules linked in: [ 54.929018] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.933894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.935043] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.935759] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.937930] RSP: 0018:ffff88801feffc00 EFLAGS: 00010282 [ 54.938617] RAX: 0000000000000000 RBX: ffff88800c9ba040 RCX: 0000000000000000 [ 54.939509] RDX: ffff88801fef0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.940390] RBP: ffff88800c9ba054 R08: 0000000000000001 R09: 0000000000000000 [ 54.941301] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.942192] R13: ffffffff84e23fe0 R14: ffff88800c9ba048 R15: ffffffff84d74dc0 [ 54.943039] FS: 0000555556e53400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.944035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.944766] CR2: 00007f1099b816f4 CR3: 0000000015a2c000 CR4: 0000000000350ee0 [ 54.945661] Call Trace: [ 54.945987] [ 54.946317] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.946921] ipv4_frags_init_net+0x269/0x440 [ 54.947503] ops_init+0xbb/0x6b0 [ 54.947958] setup_net+0x3d9/0x990 [ 54.948442] ? down_read_killable+0x1d7/0x4e0 [ 54.949026] ? __pfx_setup_net+0x10/0x10 [ 54.949562] ? copy_net_ns+0x17c/0x770 [ 54.950072] copy_net_ns+0x321/0x770 [ 54.950578] create_new_namespaces+0x3f6/0xb30 [ 54.951192] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.951804] ksys_unshare+0x44d/0x8e0 [ 54.952315] ? __pfx_ksys_unshare+0x10/0x10 [ 54.952854] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.953593] __x64_sys_unshare+0x31/0x40 [ 54.954107] do_syscall_64+0x3f/0x90 [ 54.954605] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.955279] RIP: 0033:0x7f423041e0d7 [ 54.955737] 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 [ 54.957896] RSP: 002b:00007ffc92e9e388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.958840] RAX: ffffffffffffffda RBX: 00007ffc92e9e9c8 RCX: 00007f423041e0d7 [ 54.959722] RDX: 00007f423048841f RSI: 00007ffc92e9e320 RDI: 0000000040000000 [ 54.960597] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc92e9e130 [ 54.961505] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4230530bf0 [ 54.962392] R13: 00007ffc92e9e460 R14: 0000000000000000 R15: 00000000000000f8 [ 54.963292] [ 54.963588] irq event stamp: 9341 [ 54.964008] hardirqs last enabled at (9351): [] __up_console_sem+0x78/0x80 [ 54.965061] hardirqs last disabled at (9362): [] __up_console_sem+0x5d/0x80 [ 54.966124] softirqs last enabled at (8902): [] irq_exit_rcu+0x93/0xc0 [ 54.967177] softirqs last disabled at (8887): [] irq_exit_rcu+0x93/0xc0 [ 54.968201] ---[ end trace 0000000000000000 ]--- [ 54.973859] ------------[ cut here ]------------ [ 54.974496] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.976129] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.977206] Modules linked in: [ 54.977612] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.978754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.979762] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.980431] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.982621] RSP: 0018:ffff88801feffc00 EFLAGS: 00010282 [ 54.983325] RAX: 0000000000000000 RBX: ffff888008d51e40 RCX: 0000000000000000 [ 54.984207] RDX: ffff88801fef0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.985070] RBP: ffff888008d51e54 R08: 0000000000000001 R09: 0000000000000000 [ 54.985968] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.986856] R13: ffffffff84e23fe0 R14: ffff888008d51e48 R15: ffffffff84da7d60 [ 54.987751] FS: 0000555556e53400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.988742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.989501] CR2: 00007f1099b816f4 CR3: 0000000015a2c000 CR4: 0000000000350ee0 [ 54.990379] Call Trace: [ 54.990701] [ 54.991001] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.991648] ipv6_frags_init_net+0x206/0x3c0 [ 54.992233] ops_init+0xbb/0x6b0 [ 54.992674] setup_net+0x3d9/0x990 [ 54.993135] ? down_read_killable+0x1d7/0x4e0 [ 54.993725] ? __pfx_setup_net+0x10/0x10 [ 54.994269] ? copy_net_ns+0x17c/0x770 [ 54.994775] copy_net_ns+0x321/0x770 [ 54.995290] create_new_namespaces+0x3f6/0xb30 [ 54.995870] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.996506] ksys_unshare+0x44d/0x8e0 [ 54.997012] ? __pfx_ksys_unshare+0x10/0x10 [ 54.997594] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.998344] __x64_sys_unshare+0x31/0x40 [ 54.998858] do_syscall_64+0x3f/0x90 [ 54.999371] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.000008] RIP: 0033:0x7f423041e0d7 [ 55.000500] 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 [ 55.002660] RSP: 002b:00007ffc92e9e388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.003603] RAX: ffffffffffffffda RBX: 00007ffc92e9e9c8 RCX: 00007f423041e0d7 [ 55.004473] RDX: 00007f423048841f RSI: 00007ffc92e9e320 RDI: 0000000040000000 [ 55.005367] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc92e9e130 [ 55.006255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4230530bf0 [ 55.007114] R13: 00007ffc92e9e460 R14: 0000000000000000 R15: 00000000000000f8 [ 55.008038] [ 55.008373] irq event stamp: 10983 [ 55.008805] hardirqs last enabled at (10993): [] __up_console_sem+0x78/0x80 [ 55.009882] hardirqs last disabled at (11004): [] __up_console_sem+0x5d/0x80 [ 55.010948] softirqs last enabled at (10556): [] irq_exit_rcu+0x93/0xc0 [ 55.011991] softirqs last disabled at (10551): [] irq_exit_rcu+0x93/0xc0 [ 55.013038] ---[ end trace 0000000000000000 ]--- [ 55.014473] ------------[ cut here ]------------ [ 55.015068] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.016939] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.018021] Modules linked in: [ 55.018461] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.019604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.020605] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.021281] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.023420] RSP: 0018:ffff88801feffbf0 EFLAGS: 00010286 [ 55.024064] RAX: 0000000000000000 RBX: ffff888008d50640 RCX: 0000000000000000 [ 55.024943] RDX: ffff88801fef0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.025831] RBP: ffff888008d50654 R08: 0000000000000001 R09: 0000000000000000 [ 55.026708] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.027585] R13: ffffffff84e23fe0 R14: ffff888008d50648 R15: ffffffff84db0aa0 [ 55.028466] FS: 0000555556e53400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.029465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.030205] CR2: 00007f1099b816f4 CR3: 0000000015a2c000 CR4: 0000000000350ee0 [ 55.031051] Call Trace: [ 55.031403] [ 55.031701] nf_ct_net_init+0x224/0x3d0 [ 55.032243] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.032809] ops_init+0xbb/0x6b0 [ 55.033298] setup_net+0x3d9/0x990 [ 55.033756] ? down_read_killable+0x1d7/0x4e0 [ 55.034354] ? __pfx_setup_net+0x10/0x10 [ 55.034859] ? copy_net_ns+0x17c/0x770 [ 55.035395] copy_net_ns+0x321/0x770 [ 55.035877] create_new_namespaces+0x3f6/0xb30 [ 55.036488] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.037119] ksys_unshare+0x44d/0x8e0 [ 55.037639] ? __pfx_ksys_unshare+0x10/0x10 [ 55.038206] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.038912] __x64_sys_unshare+0x31/0x40 [ 55.039455] do_syscall_64+0x3f/0x90 [ 55.039930] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.040598] RIP: 0033:0x7f423041e0d7 [ 55.041067] 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 [ 55.043196] RSP: 002b:00007ffc92e9e388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.044101] RAX: ffffffffffffffda RBX: 00007ffc92e9e9c8 RCX: 00007f423041e0d7 [ 55.045004] RDX: 00007f423048841f RSI: 00007ffc92e9e320 RDI: 0000000040000000 [ 55.045898] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc92e9e130 [ 55.046788] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4230530bf0 [ 55.047657] R13: 00007ffc92e9e460 R14: 0000000000000000 R15: 00000000000000f8 [ 55.048557] [ 55.048852] irq event stamp: 11713 [ 55.049316] hardirqs last enabled at (11725): [] __up_console_sem+0x78/0x80 [ 55.050363] hardirqs last disabled at (11736): [] __up_console_sem+0x5d/0x80 [ 55.051417] softirqs last enabled at (11662): [] irq_exit_rcu+0x93/0xc0 [ 55.052444] softirqs last disabled at (11657): [] irq_exit_rcu+0x93/0xc0 [ 55.053480] ---[ end trace 0000000000000000 ]--- executing program [ 56.606925] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.654409] Bluetooth: hci0: command 0x041b tx timeout [ 60.702257] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.750248] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:38:30 Registers: info registers vcpu 0 RAX=000000000002bdd1 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] 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 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=00007fb3980370f8 CR3=0000000014666000 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=2031333a38333a39302038312079614d XMM01=5d3730353832392e34352020205b203a XMM02=646f4d205d3730353832392e34352020 XMM03=6b7a79732031333a38333a3930203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3439393632392e34352020205b XMM07=79732031333a38333a39302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801feff5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556e53400 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=00007f1099b816f4 CR3=0000000015a2c000 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