Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:25896' (ECDSA) to the list of known hosts. 2023/05/16 15:17:20 fuzzer started 2023/05/16 15:17:20 dialing manager at localhost:35573 2023/05/16 15:17:20 checking machine... 2023/05/16 15:17:20 checking revisions... syzkaller login: [ 44.895689] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:17:21 testing simple program... [ 44.962355] cgroup: Unknown subsys name 'net' [ 45.054846] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 56.569295] audit: type=1400 audit(1684250252.744:6): avc: denied { execmem } for pid=265 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 [ 57.717936] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.721395] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.722814] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.729488] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.730860] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.732319] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.127268] ------------[ cut here ]------------ [ 58.128102] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.130246] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.131600] Modules linked in: [ 58.132162] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.137035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.138062] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.138711] 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 [ 58.140979] RSP: 0018:ffff888015d47c00 EFLAGS: 00010282 [ 58.141661] RAX: 0000000000000000 RBX: ffff88800ee51840 RCX: 0000000000000000 [ 58.142566] RDX: ffff8880195451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.143458] RBP: ffff88800ee51854 R08: 0000000000000001 R09: 0000000000000000 [ 58.144347] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.145234] R13: ffffffff84e223a0 R14: ffff88800ee51848 R15: ffffffff84d73340 [ 58.146154] FS: 000055555748b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.147169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.147903] CR2: 00007f52c0059fb0 CR3: 000000000ebc8000 CR4: 0000000000350ee0 [ 58.148799] Call Trace: [ 58.149155] [ 58.149471] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.150136] ipv4_frags_init_net+0x269/0x440 [ 58.150695] ops_init+0xbb/0x6b0 [ 58.151176] setup_net+0x3d9/0x990 [ 58.151634] ? down_read_killable+0x1d7/0x4e0 [ 58.152267] ? __pfx_setup_net+0x10/0x10 [ 58.152782] ? copy_net_ns+0x17c/0x770 [ 58.153323] copy_net_ns+0x321/0x770 [ 58.153810] create_new_namespaces+0x3f6/0xb30 [ 58.154435] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.155088] ksys_unshare+0x44d/0x8e0 [ 58.155583] ? __pfx_ksys_unshare+0x10/0x10 [ 58.156169] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.156889] __x64_sys_unshare+0x31/0x40 [ 58.157442] do_syscall_64+0x3f/0x90 [ 58.157923] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.158601] RIP: 0033:0x7f9ea41160d7 [ 58.159090] 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 [ 58.161270] RSP: 002b:00007ffed9522a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.162242] RAX: ffffffffffffffda RBX: 00007ffed9523088 RCX: 00007f9ea41160d7 [ 58.163138] RDX: 00007f9ea418041f RSI: 00007ffed95229e0 RDI: 0000000040000000 [ 58.164050] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed95227f0 [ 58.164904] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ea4228bf0 [ 58.165808] R13: 00007ffed9522b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.166796] [ 58.167122] irq event stamp: 9551 [ 58.167555] hardirqs last enabled at (9561): [] __up_console_sem+0x78/0x80 [ 58.168620] hardirqs last disabled at (9572): [] __up_console_sem+0x5d/0x80 [ 58.169676] softirqs last enabled at (9088): [] irq_exit_rcu+0x93/0xc0 [ 58.170709] softirqs last disabled at (9077): [] irq_exit_rcu+0x93/0xc0 [ 58.171743] ---[ end trace 0000000000000000 ]--- [ 58.176830] ------------[ cut here ]------------ [ 58.177441] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.179120] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.180178] Modules linked in: [ 58.180590] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.181759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.182769] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.183444] 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 [ 58.185623] RSP: 0018:ffff888015d47c00 EFLAGS: 00010282 [ 58.186312] RAX: 0000000000000000 RBX: ffff8880069b2e40 RCX: 0000000000000000 [ 58.187205] RDX: ffff8880195451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.188134] RBP: ffff8880069b2e54 R08: 0000000000000001 R09: 0000000000000000 [ 58.189021] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.189868] R13: ffffffff84e223a0 R14: ffff8880069b2e48 R15: ffffffff84da62e0 [ 58.190763] FS: 000055555748b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.191758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.192489] CR2: 00007f52c0059fb0 CR3: 000000000ebc8000 CR4: 0000000000350ee0 [ 58.193370] Call Trace: [ 58.193694] [ 58.193987] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.194631] ipv6_frags_init_net+0x206/0x3c0 [ 58.195288] ops_init+0xbb/0x6b0 [ 58.195756] setup_net+0x3d9/0x990 [ 58.196247] ? down_read_killable+0x1d7/0x4e0 [ 58.196816] ? __pfx_setup_net+0x10/0x10 [ 58.197356] ? copy_net_ns+0x17c/0x770 [ 58.197864] copy_net_ns+0x321/0x770 [ 58.198372] create_new_namespaces+0x3f6/0xb30 [ 58.198954] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.199605] ksys_unshare+0x44d/0x8e0 [ 58.200133] ? __pfx_ksys_unshare+0x10/0x10 [ 58.200681] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.201441] __x64_sys_unshare+0x31/0x40 [ 58.201959] do_syscall_64+0x3f/0x90 [ 58.202464] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.203143] RIP: 0033:0x7f9ea41160d7 [ 58.203607] 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 [ 58.205795] RSP: 002b:00007ffed9522a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.206751] RAX: ffffffffffffffda RBX: 00007ffed9523088 RCX: 00007f9ea41160d7 [ 58.207639] RDX: 00007f9ea418041f RSI: 00007ffed95229e0 RDI: 0000000040000000 [ 58.208539] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed95227f0 [ 58.209427] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ea4228bf0 [ 58.210328] R13: 00007ffed9522b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.211234] [ 58.211537] irq event stamp: 11185 [ 58.211987] hardirqs last enabled at (11195): [] __up_console_sem+0x78/0x80 [ 58.213081] hardirqs last disabled at (11208): [] __up_console_sem+0x5d/0x80 [ 58.214348] softirqs last enabled at (10914): [] irq_exit_rcu+0x93/0xc0 [ 58.215611] softirqs last disabled at (10907): [] irq_exit_rcu+0x93/0xc0 [ 58.216891] ---[ end trace 0000000000000000 ]--- [ 58.218530] ------------[ cut here ]------------ [ 58.219329] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.221721] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.223024] Modules linked in: [ 58.223518] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.224915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.226141] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.226907] 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 [ 58.229569] RSP: 0018:ffff888015d47bf0 EFLAGS: 00010286 [ 58.230398] RAX: 0000000000000000 RBX: ffff8880069b2440 RCX: 0000000000000000 [ 58.231475] RDX: ffff8880195451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.232567] RBP: ffff8880069b2454 R08: 0000000000000001 R09: 0000000000000000 [ 58.233625] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.234683] R13: ffffffff84e223a0 R14: ffff8880069b2448 R15: ffffffff84daf020 [ 58.235761] FS: 000055555748b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.236939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.237819] CR2: 00007f52c0059fb0 CR3: 000000000ebc8000 CR4: 0000000000350ee0 [ 58.238871] Call Trace: [ 58.239295] [ 58.239674] nf_ct_net_init+0x224/0x3d0 [ 58.240325] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.241050] ops_init+0xbb/0x6b0 [ 58.241583] setup_net+0x3d9/0x990 [ 58.242161] ? down_read_killable+0x1d7/0x4e0 [ 58.242830] ? __pfx_setup_net+0x10/0x10 [ 58.243469] ? copy_net_ns+0x17c/0x770 [ 58.244125] copy_net_ns+0x321/0x770 [ 58.244695] create_new_namespaces+0x3f6/0xb30 [ 58.245432] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.246206] ksys_unshare+0x44d/0x8e0 [ 58.246802] ? __pfx_ksys_unshare+0x10/0x10 [ 58.247500] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.248423] __x64_sys_unshare+0x31/0x40 [ 58.249090] do_syscall_64+0x3f/0x90 [ 58.249650] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.250460] RIP: 0033:0x7f9ea41160d7 [ 58.251044] 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 [ 58.253682] RSP: 002b:00007ffed9522a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.254816] RAX: ffffffffffffffda RBX: 00007ffed9523088 RCX: 00007f9ea41160d7 [ 58.255892] RDX: 00007f9ea418041f RSI: 00007ffed95229e0 RDI: 0000000040000000 [ 58.256951] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed95227f0 [ 58.258028] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ea4228bf0 [ 58.259082] R13: 00007ffed9522b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.260192] [ 58.260539] irq event stamp: 11967 [ 58.261074] hardirqs last enabled at (11979): [] __up_console_sem+0x78/0x80 [ 58.262319] hardirqs last disabled at (11990): [] __up_console_sem+0x5d/0x80 [ 58.263552] softirqs last enabled at (11746): [] irq_exit_rcu+0x93/0xc0 [ 58.264770] softirqs last disabled at (11741): [] irq_exit_rcu+0x93/0xc0 [ 58.265967] ---[ end trace 0000000000000000 ]--- executing program [ 59.795695] Bluetooth: hci0: command 0x0409 tx timeout [ 61.843064] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.891091] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.939073] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:17:26 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=1ffff110032e3147 RDX=1ffffffff0ef3d4b RSI=0000000000000008 RDI=ffffffff8779ea58 RBP=0000000000000001 RSP=ffff888016ad7748 R8 =0000000000000000 R9 =fffffbfff0ef2d3a R10=ffffffff877969d7 R11=0000000000000001 R12=ffff888019718a18 R13=ffff888019718000 R14=ffffffff856c1500 R15=ffffffff8779e9a0 RIP=ffffffff812d11a8 RFL=00000016 [----AP-] 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 00007fbc8bfff700 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=00007f52bffe3810 CR3=000000000e1bc000 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=73205d3230313832312e38352020205b XMM01=6873657268745f776f6c5f6761726670 XMM02=6c5f676172667069203a61746164206c XMM03=73746e696f702061746164203a687365 XMM04=2032333a37313a35312036312079614d XMM05=65636f72703d7373616c63742030733a XMM06=733a755f6d65747379733d747865746e XMM07=725f6d65747379733a755f6d65747379 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015d475f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 000055555748b400 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=00007f52c0059fb0 CR3=000000000ebc8000 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