syzkaller login: [ 39.943148] sshd (216) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:56927' (ECDSA) to the list of known hosts. 2023/05/17 17:23:13 fuzzer started 2023/05/17 17:23:14 dialing manager at localhost:44319 2023/05/17 17:23:14 checking machine... 2023/05/17 17:23:14 checking revisions... [ 42.012917] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:23:14 testing simple program... [ 42.091891] cgroup: Unknown subsys name 'net' [ 42.186401] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.929137] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 54.095442] audit: type=1400 audit(1684344206.523:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.201235] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.204202] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.205573] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.208530] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.210324] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.211604] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.598783] ------------[ cut here ]------------ [ 55.599435] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.601302] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.602412] Modules linked in: [ 55.602863] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.607777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.608823] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.609500] 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 [ 55.611818] RSP: 0018:ffff88801f8d7c00 EFLAGS: 00010282 [ 55.612491] RAX: 0000000000000000 RBX: ffff888015df5040 RCX: 0000000000000000 [ 55.613425] RDX: ffff88801865d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.614346] RBP: ffff888015df5054 R08: 0000000000000001 R09: 0000000000000000 [ 55.615297] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.616200] R13: ffffffff84e23fe0 R14: ffff888015df5048 R15: ffffffff84d74dc0 [ 55.617117] FS: 000055555628b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.618142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.618903] CR2: 00007f973622c6f4 CR3: 000000001b8e4000 CR4: 0000000000350ef0 [ 55.619819] Call Trace: [ 55.620146] [ 55.620449] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.621106] ipv4_frags_init_net+0x269/0x440 [ 55.621660] ops_init+0xbb/0x6b0 [ 55.622149] setup_net+0x3d9/0x990 [ 55.622607] ? down_read_killable+0x1d7/0x4e0 [ 55.623248] ? __pfx_setup_net+0x10/0x10 [ 55.623792] ? copy_net_ns+0x17c/0x770 [ 55.624308] copy_net_ns+0x321/0x770 [ 55.624821] create_new_namespaces+0x3f6/0xb30 [ 55.625410] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.626106] ksys_unshare+0x44d/0x8e0 [ 55.626596] ? __pfx_ksys_unshare+0x10/0x10 [ 55.627180] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.627915] __x64_sys_unshare+0x31/0x40 [ 55.628438] do_syscall_64+0x3f/0x90 [ 55.628961] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.629599] RIP: 0033:0x7f7faf1280d7 [ 55.630093] 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 [ 55.632287] RSP: 002b:00007ffec4125128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.633251] RAX: ffffffffffffffda RBX: 00007ffec4125768 RCX: 00007f7faf1280d7 [ 55.634135] RDX: 00007f7faf19241f RSI: 00007ffec41250c0 RDI: 0000000040000000 [ 55.635024] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4124ed0 [ 55.635927] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7faf23abf0 [ 55.636820] R13: 00007ffec4125200 R14: 0000000000000000 R15: 00000000000000f8 [ 55.637732] [ 55.638032] irq event stamp: 9283 [ 55.638449] hardirqs last enabled at (9293): [] __up_console_sem+0x78/0x80 [ 55.639532] hardirqs last disabled at (9304): [] __up_console_sem+0x5d/0x80 [ 55.640610] softirqs last enabled at (9208): [] irq_exit_rcu+0x93/0xc0 [ 55.641657] softirqs last disabled at (9203): [] irq_exit_rcu+0x93/0xc0 [ 55.642673] ---[ end trace 0000000000000000 ]--- [ 55.648218] ------------[ cut here ]------------ [ 55.650117] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.652019] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.653275] Modules linked in: [ 55.653918] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.655202] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.656353] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.657199] 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 [ 55.659514] RSP: 0018:ffff88801f8d7c00 EFLAGS: 00010282 [ 55.660408] RAX: 0000000000000000 RBX: ffff88800d7a2c40 RCX: 0000000000000000 [ 55.661403] RDX: ffff88801865d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.662465] RBP: ffff88800d7a2c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.663486] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.664477] R13: ffffffff84e23fe0 R14: ffff88800d7a2c48 R15: ffffffff84da7d60 [ 55.665587] FS: 000055555628b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.666872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.667583] CR2: 00007ff8441e8168 CR3: 000000001b8e4000 CR4: 0000000000350ee0 [ 55.668594] Call Trace: [ 55.669093] [ 55.669402] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.670162] ipv6_frags_init_net+0x206/0x3c0 [ 55.670956] ops_init+0xbb/0x6b0 [ 55.671408] setup_net+0x3d9/0x990 [ 55.672018] ? down_read_killable+0x1d7/0x4e0 [ 55.672595] ? __pfx_setup_net+0x10/0x10 [ 55.673237] ? copy_net_ns+0x17c/0x770 [ 55.673956] copy_net_ns+0x321/0x770 [ 55.674437] create_new_namespaces+0x3f6/0xb30 [ 55.675241] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.676019] ksys_unshare+0x44d/0x8e0 [ 55.676510] ? __pfx_ksys_unshare+0x10/0x10 [ 55.677232] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.678136] __x64_sys_unshare+0x31/0x40 [ 55.678654] do_syscall_64+0x3f/0x90 [ 55.679315] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.680103] RIP: 0033:0x7f7faf1280d7 [ 55.680569] 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 [ 55.682769] RSP: 002b:00007ffec4125128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.683745] RAX: ffffffffffffffda RBX: 00007ffec4125768 RCX: 00007f7faf1280d7 [ 55.684589] RDX: 00007f7faf19241f RSI: 00007ffec41250c0 RDI: 0000000040000000 [ 55.685484] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4124ed0 [ 55.686378] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7faf23abf0 [ 55.687277] R13: 00007ffec4125200 R14: 0000000000000000 R15: 00000000000000f8 [ 55.688181] [ 55.688480] irq event stamp: 13675 [ 55.688957] hardirqs last enabled at (13687): [] __up_console_sem+0x78/0x80 [ 55.690041] hardirqs last disabled at (13698): [] __up_console_sem+0x5d/0x80 [ 55.691141] softirqs last enabled at (13584): [] irq_exit_rcu+0x93/0xc0 [ 55.692191] softirqs last disabled at (13569): [] irq_exit_rcu+0x93/0xc0 [ 55.693245] ---[ end trace 0000000000000000 ]--- [ 55.694624] ------------[ cut here ]------------ [ 55.695281] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.697187] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.698269] Modules linked in: [ 55.698711] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.699885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.700896] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.701545] 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 [ 55.703817] RSP: 0018:ffff88801f8d7bf0 EFLAGS: 00010286 [ 55.704494] RAX: 0000000000000000 RBX: ffff88800d7a2440 RCX: 0000000000000000 [ 55.705427] RDX: ffff88801865d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.706357] RBP: ffff88800d7a2454 R08: 0000000000000001 R09: 0000000000000000 [ 55.707299] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.708222] R13: ffffffff84e23fe0 R14: ffff88800d7a2448 R15: ffffffff84db0aa0 [ 55.709150] FS: 000055555628b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.710182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.710957] CR2: 00007ff8441e8168 CR3: 000000001b8e4000 CR4: 0000000000350ee0 [ 55.711882] Call Trace: [ 55.712214] [ 55.712522] nf_ct_net_init+0x224/0x3d0 [ 55.713091] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.713674] ops_init+0xbb/0x6b0 [ 55.714163] setup_net+0x3d9/0x990 [ 55.714625] ? down_read_killable+0x1d7/0x4e0 [ 55.715263] ? __pfx_setup_net+0x10/0x10 [ 55.715826] ? copy_net_ns+0x17c/0x770 [ 55.716352] copy_net_ns+0x321/0x770 [ 55.716887] create_new_namespaces+0x3f6/0xb30 [ 55.717487] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.718151] ksys_unshare+0x44d/0x8e0 [ 55.718650] ? __pfx_ksys_unshare+0x10/0x10 [ 55.719262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.720039] __x64_sys_unshare+0x31/0x40 [ 55.720572] do_syscall_64+0x3f/0x90 [ 55.721092] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.721785] RIP: 0033:0x7f7faf1280d7 [ 55.722262] 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 [ 55.724506] RSP: 002b:00007ffec4125128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.725483] RAX: ffffffffffffffda RBX: 00007ffec4125768 RCX: 00007f7faf1280d7 [ 55.726408] RDX: 00007f7faf19241f RSI: 00007ffec41250c0 RDI: 0000000040000000 [ 55.727345] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4124ed0 [ 55.728272] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7faf23abf0 [ 55.729191] R13: 00007ffec4125200 R14: 0000000000000000 R15: 00000000000000f8 [ 55.730139] [ 55.730447] irq event stamp: 14519 [ 55.730937] hardirqs last enabled at (14531): [] __up_console_sem+0x78/0x80 [ 55.732036] hardirqs last disabled at (14542): [] __up_console_sem+0x5d/0x80 [ 55.733139] softirqs last enabled at (14504): [] irq_exit_rcu+0x93/0xc0 [ 55.734222] softirqs last disabled at (14495): [] irq_exit_rcu+0x93/0xc0 [ 55.735305] ---[ end trace 0000000000000000 ]--- executing program [ 57.274439] Bluetooth: hci0: command 0x0409 tx timeout [ 59.321746] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.369778] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.417862] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:23:26 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f8d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 000055555628b400 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=00007f973622c6f4 CR3=000000001b8e4000 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=0000000000004809 RBX=ffffffff87128e08 RCX=ffffffff87774968 RDX=1ffffffff0eee92d RSI=0000000000000008 RDI=ffffffff8779c9c0 RBP=0000000000000000 RSP=ffff88806cf09b10 R8 =0000000000000000 R9 =fffffbfff0ef3938 R10=ffffffff8779c9c7 R11=0000000000000001 R12=ffff888008d95bb0 R13=ffff888008d951c0 R14=ffffffff85d36b6c R15=0000000000000001 RIP=ffffffff812d156a 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 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=00007ff844150e10 CR3=000000000e648000 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=2c829bc007412eb7da442b5f3a9302ba XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=7764ce1b6d4b1be9000000000013c4e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=06e9adbe34ab371a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000