Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:27732' (ECDSA) to the list of known hosts. 2023/05/17 01:53:45 fuzzer started 2023/05/17 01:53:45 dialing manager at localhost:35573 2023/05/17 01:53:45 checking machine... 2023/05/17 01:53:45 checking revisions... syzkaller login: [ 36.607249] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:53:45 testing simple program... [ 36.656645] cgroup: Unknown subsys name 'net' [ 36.706535] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.677479] audit: type=1400 audit(1684288437.741:6): 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 [ 49.784063] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.787889] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.790236] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.793341] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.795361] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.797256] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.195634] ------------[ cut here ]------------ [ 50.196339] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.198530] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.199832] Modules linked in: [ 50.200290] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.205315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.206631] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.207370] 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 [ 50.210004] RSP: 0018:ffff88801bf1fc00 EFLAGS: 00010282 [ 50.210879] RAX: 0000000000000000 RBX: ffff88800e10d440 RCX: 0000000000000000 [ 50.211948] RDX: ffff88800fb08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.212959] RBP: ffff88800e10d454 R08: 0000000000000001 R09: 0000000000000000 [ 50.213945] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.214941] R13: ffffffff84e223a0 R14: ffff88800e10d448 R15: ffffffff84d73340 [ 50.215929] FS: 0000555555580400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.217035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.217859] CR2: 00007f577ccda6f4 CR3: 0000000015ee0000 CR4: 0000000000350ee0 [ 50.218876] Call Trace: [ 50.219242] [ 50.219617] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.220299] ipv4_frags_init_net+0x269/0x440 [ 50.220958] ops_init+0xbb/0x6b0 [ 50.221502] setup_net+0x3d9/0x990 [ 50.222012] ? down_read_killable+0x1d7/0x4e0 [ 50.222712] ? __pfx_setup_net+0x10/0x10 [ 50.223288] ? copy_net_ns+0x17c/0x770 [ 50.223902] copy_net_ns+0x321/0x770 [ 50.224487] create_new_namespaces+0x3f6/0xb30 [ 50.225132] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.225787] ksys_unshare+0x44d/0x8e0 [ 50.226281] ? __pfx_ksys_unshare+0x10/0x10 [ 50.226877] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.227636] __x64_sys_unshare+0x31/0x40 [ 50.228158] do_syscall_64+0x3f/0x90 [ 50.228682] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.229330] RIP: 0033:0x7f6c487390d7 [ 50.229829] 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 [ 50.232010] RSP: 002b:00007ffd50f7e3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.232980] RAX: ffffffffffffffda RBX: 00007ffd50f7ea28 RCX: 00007f6c487390d7 [ 50.233875] RDX: 00007f6c487a341f RSI: 00007ffd50f7e380 RDI: 0000000040000000 [ 50.234805] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50f7e190 [ 50.235685] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c4884bbf0 [ 50.236587] R13: 00007ffd50f7e4c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.237510] [ 50.237818] irq event stamp: 10081 [ 50.238251] hardirqs last enabled at (10091): [] __up_console_sem+0x78/0x80 [ 50.239356] hardirqs last disabled at (10102): [] __up_console_sem+0x5d/0x80 [ 50.240476] softirqs last enabled at (9764): [] irq_exit_rcu+0x93/0xc0 [ 50.241525] softirqs last disabled at (9755): [] irq_exit_rcu+0x93/0xc0 [ 50.242579] ---[ end trace 0000000000000000 ]--- [ 50.247912] ------------[ cut here ]------------ [ 50.248537] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.250304] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.251385] Modules linked in: [ 50.251825] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.253001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.254035] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.254745] 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 [ 50.256951] RSP: 0018:ffff88801bf1fc00 EFLAGS: 00010282 [ 50.257643] RAX: 0000000000000000 RBX: ffff88800dcf0640 RCX: 0000000000000000 [ 50.258595] RDX: ffff88800fb08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.259495] RBP: ffff88800dcf0654 R08: 0000000000000001 R09: 0000000000000000 [ 50.260365] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.261261] R13: ffffffff84e223a0 R14: ffff88800dcf0648 R15: ffffffff84da62e0 [ 50.262173] FS: 0000555555580400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.263211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.263959] CR2: 00007f577ccda6f4 CR3: 0000000015ee0000 CR4: 0000000000350ee0 [ 50.264865] Call Trace: [ 50.265205] [ 50.265544] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.266158] ipv6_frags_init_net+0x206/0x3c0 [ 50.266761] ops_init+0xbb/0x6b0 [ 50.267212] setup_net+0x3d9/0x990 [ 50.267706] ? down_read_killable+0x1d7/0x4e0 [ 50.268277] ? __pfx_setup_net+0x10/0x10 [ 50.268828] ? copy_net_ns+0x17c/0x770 [ 50.269340] copy_net_ns+0x321/0x770 [ 50.269854] create_new_namespaces+0x3f6/0xb30 [ 50.270444] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.271107] ksys_unshare+0x44d/0x8e0 [ 50.271643] ? __pfx_ksys_unshare+0x10/0x10 [ 50.272195] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.272950] __x64_sys_unshare+0x31/0x40 [ 50.273509] do_syscall_64+0x3f/0x90 [ 50.273986] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.274682] RIP: 0033:0x7f6c487390d7 [ 50.275154] 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 [ 50.277324] RSP: 002b:00007ffd50f7e3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.278290] RAX: ffffffffffffffda RBX: 00007ffd50f7ea28 RCX: 00007f6c487390d7 [ 50.279204] RDX: 00007f6c487a341f RSI: 00007ffd50f7e380 RDI: 0000000040000000 [ 50.280114] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50f7e190 [ 50.281010] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c4884bbf0 [ 50.281921] R13: 00007ffd50f7e4c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.282859] [ 50.283169] irq event stamp: 11871 [ 50.283638] hardirqs last enabled at (11883): [] __up_console_sem+0x78/0x80 [ 50.284716] hardirqs last disabled at (11894): [] __up_console_sem+0x5d/0x80 [ 50.285811] softirqs last enabled at (11366): [] irq_exit_rcu+0x93/0xc0 [ 50.286892] softirqs last disabled at (11345): [] irq_exit_rcu+0x93/0xc0 [ 50.287944] ---[ end trace 0000000000000000 ]--- [ 50.289267] ------------[ cut here ]------------ [ 50.289910] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.291963] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.293022] Modules linked in: [ 50.293431] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.294639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.295659] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.296302] 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 [ 50.298482] RSP: 0018:ffff88801bf1fbf0 EFLAGS: 00010286 [ 50.299179] RAX: 0000000000000000 RBX: ffff88800dcf0040 RCX: 0000000000000000 [ 50.300072] RDX: ffff88800fb08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.300990] RBP: ffff88800dcf0054 R08: 0000000000000001 R09: 0000000000000000 [ 50.301892] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.302798] R13: ffffffff84e223a0 R14: ffff88800dcf0048 R15: ffffffff84daf020 [ 50.303729] FS: 0000555555580400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.304724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.305435] CR2: 00007f577ccda6f4 CR3: 0000000015ee0000 CR4: 0000000000350ee0 [ 50.306343] Call Trace: [ 50.306735] [ 50.307039] nf_ct_net_init+0x224/0x3d0 [ 50.307592] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.308175] ops_init+0xbb/0x6b0 [ 50.308651] setup_net+0x3d9/0x990 [ 50.309108] ? down_read_killable+0x1d7/0x4e0 [ 50.309707] ? __pfx_setup_net+0x10/0x10 [ 50.310221] ? copy_net_ns+0x17c/0x770 [ 50.310779] copy_net_ns+0x321/0x770 [ 50.311260] create_new_namespaces+0x3f6/0xb30 [ 50.311878] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.312562] ksys_unshare+0x44d/0x8e0 [ 50.313089] ? __pfx_ksys_unshare+0x10/0x10 [ 50.313680] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.314398] __x64_sys_unshare+0x31/0x40 [ 50.314954] do_syscall_64+0x3f/0x90 [ 50.315436] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.316117] RIP: 0033:0x7f6c487390d7 [ 50.316623] 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 [ 50.318813] RSP: 002b:00007ffd50f7e3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.319788] RAX: ffffffffffffffda RBX: 00007ffd50f7ea28 RCX: 00007f6c487390d7 [ 50.320684] RDX: 00007f6c487a341f RSI: 00007ffd50f7e380 RDI: 0000000040000000 [ 50.321591] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50f7e190 [ 50.322520] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c4884bbf0 [ 50.323374] R13: 00007ffd50f7e4c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.324295] [ 50.324634] irq event stamp: 12607 [ 50.325070] hardirqs last enabled at (12617): [] __up_console_sem+0x78/0x80 [ 50.326160] hardirqs last disabled at (12628): [] __up_console_sem+0x5d/0x80 [ 50.327242] softirqs last enabled at (12568): [] irq_exit_rcu+0x93/0xc0 [ 50.328287] softirqs last disabled at (12559): [] irq_exit_rcu+0x93/0xc0 [ 50.329356] ---[ end trace 0000000000000000 ]--- executing program [ 51.859184] Bluetooth: hci0: command 0x0409 tx timeout [ 53.906535] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.954564] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.003563] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:53:58 Registers: info registers vcpu 0 RAX=000000000001d29d RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f33c5743060 CR3=00000000169cc000 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=2039353a33353a31302037312079614d XMM01=5d3033353839312e30352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3033353839312e30352020205b XMM07=79732039353a33353a31302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801bf1f5f0 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 0000555555580400 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=00007f577ccda6f4 CR3=0000000015ee0000 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