Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:4802' (ECDSA) to the list of known hosts. 2023/05/16 13:19:13 fuzzer started 2023/05/16 13:19:13 dialing manager at localhost:35573 2023/05/16 13:19:13 checking machine... 2023/05/16 13:19:13 checking revisions... syzkaller login: [ 41.736972] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:19:13 testing simple program... [ 41.803988] cgroup: Unknown subsys name 'net' [ 41.910578] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.932766] audit: type=1400 audit(1684243166.183:6): 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 [ 55.055552] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.057200] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.059955] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.063052] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.064984] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.066560] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.469946] ------------[ cut here ]------------ [ 55.470657] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.472419] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.473490] Modules linked in: [ 55.473896] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.479315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.480420] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.481065] 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 [ 55.483368] RSP: 0018:ffff88801f817c00 EFLAGS: 00010282 [ 55.484024] RAX: 0000000000000000 RBX: ffff88800ebe8c40 RCX: 0000000000000000 [ 55.484998] RDX: ffff88801580b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.485963] RBP: ffff88800ebe8c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.486965] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.487934] R13: ffffffff84e223a0 R14: ffff88800ebe8c48 R15: ffffffff84d73340 [ 55.488908] FS: 0000555555f9b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.490043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.490903] CR2: 00007f790f0456f4 CR3: 000000001a24a000 CR4: 0000000000350ee0 [ 55.491924] Call Trace: [ 55.492411] [ 55.492721] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.493528] ipv4_frags_init_net+0x269/0x440 [ 55.494108] ops_init+0xbb/0x6b0 [ 55.494739] setup_net+0x3d9/0x990 [ 55.495197] ? down_read_killable+0x1d7/0x4e0 [ 55.495940] ? __pfx_setup_net+0x10/0x10 [ 55.496627] ? copy_net_ns+0x17c/0x770 [ 55.497157] copy_net_ns+0x321/0x770 [ 55.497694] create_new_namespaces+0x3f6/0xb30 [ 55.498371] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.499015] ksys_unshare+0x44d/0x8e0 [ 55.499565] ? __pfx_ksys_unshare+0x10/0x10 [ 55.500143] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.500928] __x64_sys_unshare+0x31/0x40 [ 55.501502] do_syscall_64+0x3f/0x90 [ 55.501997] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.502722] RIP: 0033:0x7fe05e2370d7 [ 55.503216] 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 [ 55.505521] RSP: 002b:00007ffee7a41e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.506536] RAX: ffffffffffffffda RBX: 00007ffee7a424b8 RCX: 00007fe05e2370d7 [ 55.507473] RDX: 00007fe05e2a141f RSI: 00007ffee7a41e10 RDI: 0000000040000000 [ 55.508411] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee7a41c20 [ 55.509338] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe05e349bf0 [ 55.510305] R13: 00007ffee7a41f50 R14: 0000000000000000 R15: 00000000000000f8 [ 55.511229] [ 55.511590] irq event stamp: 9271 [ 55.512044] hardirqs last enabled at (9281): [] __up_console_sem+0x78/0x80 [ 55.513155] hardirqs last disabled at (9292): [] __up_console_sem+0x5d/0x80 [ 55.514288] softirqs last enabled at (9042): [] irq_exit_rcu+0x93/0xc0 [ 55.515384] softirqs last disabled at (8985): [] irq_exit_rcu+0x93/0xc0 [ 55.516471] ---[ end trace 0000000000000000 ]--- [ 55.521813] ------------[ cut here ]------------ [ 55.522479] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.524390] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.525469] Modules linked in: [ 55.525873] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.527042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.528053] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.528725] 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 [ 55.530927] RSP: 0018:ffff88801f817c00 EFLAGS: 00010282 [ 55.531615] RAX: 0000000000000000 RBX: ffff888013a0e240 RCX: 0000000000000000 [ 55.532521] RDX: ffff88801580b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.533431] RBP: ffff888013a0e254 R08: 0000000000000001 R09: 0000000000000000 [ 55.534350] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.535212] R13: ffffffff84e223a0 R14: ffff888013a0e248 R15: ffffffff84da62e0 [ 55.536118] FS: 0000555555f9b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.537121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.537870] CR2: 00007f790f0456f4 CR3: 000000001a24a000 CR4: 0000000000350ee0 [ 55.538784] Call Trace: [ 55.539110] [ 55.539444] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.540057] ipv6_frags_init_net+0x206/0x3c0 [ 55.540650] ops_init+0xbb/0x6b0 [ 55.541098] setup_net+0x3d9/0x990 [ 55.541584] ? down_read_killable+0x1d7/0x4e0 [ 55.542167] ? __pfx_setup_net+0x10/0x10 [ 55.542726] ? copy_net_ns+0x17c/0x770 [ 55.543230] copy_net_ns+0x321/0x770 [ 55.543746] create_new_namespaces+0x3f6/0xb30 [ 55.544365] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.544978] ksys_unshare+0x44d/0x8e0 [ 55.545508] ? __pfx_ksys_unshare+0x10/0x10 [ 55.546060] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.546827] __x64_sys_unshare+0x31/0x40 [ 55.547385] do_syscall_64+0x3f/0x90 [ 55.547860] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.548541] RIP: 0033:0x7fe05e2370d7 [ 55.549008] 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 [ 55.551190] RSP: 002b:00007ffee7a41e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.552137] RAX: ffffffffffffffda RBX: 00007ffee7a424b8 RCX: 00007fe05e2370d7 [ 55.553035] RDX: 00007fe05e2a141f RSI: 00007ffee7a41e10 RDI: 0000000040000000 [ 55.553919] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee7a41c20 [ 55.554825] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe05e349bf0 [ 55.555725] R13: 00007ffee7a41f50 R14: 0000000000000000 R15: 00000000000000f8 [ 55.556646] [ 55.556949] irq event stamp: 11057 [ 55.557415] hardirqs last enabled at (11069): [] __up_console_sem+0x78/0x80 [ 55.558520] hardirqs last disabled at (11080): [] __up_console_sem+0x5d/0x80 [ 55.559598] softirqs last enabled at (10830): [] irq_exit_rcu+0x93/0xc0 [ 55.560662] softirqs last disabled at (10821): [] irq_exit_rcu+0x93/0xc0 [ 55.561710] ---[ end trace 0000000000000000 ]--- [ 55.563048] ------------[ cut here ]------------ [ 55.563682] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.565660] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.566739] Modules linked in: [ 55.567155] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.568324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.569344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.569983] 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 [ 55.572175] RSP: 0018:ffff88801f817bf0 EFLAGS: 00010286 [ 55.572865] RAX: 0000000000000000 RBX: ffff888013a0e840 RCX: 0000000000000000 [ 55.573767] RDX: ffff88801580b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.574675] RBP: ffff888013a0e854 R08: 0000000000000001 R09: 0000000000000000 [ 55.575585] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.576496] R13: ffffffff84e223a0 R14: ffff888013a0e848 R15: ffffffff84daf020 [ 55.577386] FS: 0000555555f9b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.578416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.579127] CR2: 00007f790f0456f4 CR3: 000000001a24a000 CR4: 0000000000350ee0 [ 55.580012] Call Trace: [ 55.580366] [ 55.580670] nf_ct_net_init+0x224/0x3d0 [ 55.581192] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.581816] ops_init+0xbb/0x6b0 [ 55.582332] setup_net+0x3d9/0x990 [ 55.582799] ? down_read_killable+0x1d7/0x4e0 [ 55.583424] ? __pfx_setup_net+0x10/0x10 [ 55.583955] ? copy_net_ns+0x17c/0x770 [ 55.584516] copy_net_ns+0x321/0x770 [ 55.585016] create_new_namespaces+0x3f6/0xb30 [ 55.585657] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.586371] ksys_unshare+0x44d/0x8e0 [ 55.586881] ? __pfx_ksys_unshare+0x10/0x10 [ 55.587487] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.588227] __x64_sys_unshare+0x31/0x40 [ 55.588798] do_syscall_64+0x3f/0x90 [ 55.589322] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.589990] RIP: 0033:0x7fe05e2370d7 [ 55.590519] 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 [ 55.592803] RSP: 002b:00007ffee7a41e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.593796] RAX: ffffffffffffffda RBX: 00007ffee7a424b8 RCX: 00007fe05e2370d7 [ 55.594748] RDX: 00007fe05e2a141f RSI: 00007ffee7a41e10 RDI: 0000000040000000 [ 55.595680] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee7a41c20 [ 55.596610] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe05e349bf0 [ 55.597548] R13: 00007ffee7a41f50 R14: 0000000000000000 R15: 00000000000000f8 [ 55.598503] [ 55.598817] irq event stamp: 11813 [ 55.599300] hardirqs last enabled at (11825): [] __up_console_sem+0x78/0x80 [ 55.600426] hardirqs last disabled at (11836): [] __up_console_sem+0x5d/0x80 [ 55.601556] softirqs last enabled at (11630): [] irq_exit_rcu+0x93/0xc0 [ 55.602644] softirqs last disabled at (11625): [] irq_exit_rcu+0x93/0xc0 [ 55.603731] ---[ end trace 0000000000000000 ]--- executing program [ 57.135925] Bluetooth: hci0: command 0x0409 tx timeout [ 59.182350] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.230380] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.278350] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:19:22 Registers: info registers vcpu 0 RAX=0000000000029b3b 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=00007f54c1890070 CR3=000000000eae2000 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=2037323a39313a33312036312079614d XMM01=5d3735363037342e35352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f8175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555555f9b400 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=00007f790f0456f4 CR3=000000001a24a000 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