Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:37367' (ECDSA) to the list of known hosts. 2023/05/17 06:59:57 fuzzer started 2023/05/17 06:59:58 dialing manager at localhost:35573 2023/05/17 06:59:58 checking machine... 2023/05/17 06:59:58 checking revisions... syzkaller login: [ 49.440969] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:59:58 testing simple program... [ 49.510942] cgroup: Unknown subsys name 'net' [ 49.600469] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 62.920635] audit: type=1400 audit(1684306811.914:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 64.002684] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.004738] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.006316] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.008981] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.011414] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.012940] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 64.405543] ------------[ cut here ]------------ [ 64.406340] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.408145] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.409258] Modules linked in: [ 64.409674] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.414477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.415512] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.416209] 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 [ 64.418413] RSP: 0018:ffff88801f42fc00 EFLAGS: 00010282 [ 64.419121] RAX: 0000000000000000 RBX: ffff88800ee8d040 RCX: 0000000000000000 [ 64.420038] RDX: ffff88801654d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.420942] RBP: ffff88800ee8d054 R08: 0000000000000001 R09: 0000000000000000 [ 64.421846] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.422742] R13: ffffffff84e223a0 R14: ffff88800ee8d048 R15: ffffffff84d73340 [ 64.423648] FS: 00005555563d5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.424678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.425425] CR2: 00007f1cf0cf46f4 CR3: 0000000016c9e000 CR4: 0000000000350ef0 [ 64.426329] Call Trace: [ 64.426661] [ 64.426966] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.427613] ipv4_frags_init_net+0x269/0x440 [ 64.428201] ops_init+0xbb/0x6b0 [ 64.428660] setup_net+0x3d9/0x990 [ 64.429152] ? down_read_killable+0x1d7/0x4e0 [ 64.429726] ? __pfx_setup_net+0x10/0x10 [ 64.430269] ? copy_net_ns+0x17c/0x770 [ 64.430781] copy_net_ns+0x321/0x770 [ 64.431296] create_new_namespaces+0x3f6/0xb30 [ 64.431886] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.432595] ksys_unshare+0x44d/0x8e0 [ 64.433130] ? __pfx_ksys_unshare+0x10/0x10 [ 64.433683] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.434447] __x64_sys_unshare+0x31/0x40 [ 64.434964] do_syscall_64+0x3f/0x90 [ 64.435476] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.436163] RIP: 0033:0x7fc0262140d7 [ 64.436638] 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 [ 64.438813] RSP: 002b:00007ffe5238b1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.439777] RAX: ffffffffffffffda RBX: 00007ffe5238b828 RCX: 00007fc0262140d7 [ 64.440708] RDX: 00007fc02627e41f RSI: 00007ffe5238b180 RDI: 0000000040000000 [ 64.441607] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5238af90 [ 64.442518] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc026326bf0 [ 64.443416] R13: 00007ffe5238b2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.444343] [ 64.444677] irq event stamp: 9169 [ 64.445138] hardirqs last enabled at (9181): [] __up_console_sem+0x78/0x80 [ 64.446209] hardirqs last disabled at (9192): [] __up_console_sem+0x5d/0x80 [ 64.447281] softirqs last enabled at (8806): [] irq_exit_rcu+0x93/0xc0 [ 64.448320] softirqs last disabled at (8801): [] irq_exit_rcu+0x93/0xc0 [ 64.449371] ---[ end trace 0000000000000000 ]--- [ 64.455549] ------------[ cut here ]------------ [ 64.456231] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.457982] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.459065] Modules linked in: [ 64.459472] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.460642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.461653] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.462326] 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 [ 64.464508] RSP: 0018:ffff88801f42fc00 EFLAGS: 00010282 [ 64.465206] RAX: 0000000000000000 RBX: ffff88800cae2a40 RCX: 0000000000000000 [ 64.466146] RDX: ffff88801654d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.467047] RBP: ffff88800cae2a54 R08: 0000000000000001 R09: 0000000000000000 [ 64.467923] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.468851] R13: ffffffff84e223a0 R14: ffff88800cae2a48 R15: ffffffff84da62e0 [ 64.469765] FS: 00005555563d5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.470789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.471541] CR2: 00007f1cf0cf46f4 CR3: 0000000016c9e000 CR4: 0000000000350ef0 [ 64.472464] Call Trace: [ 64.472796] [ 64.473128] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.473736] ipv6_frags_init_net+0x206/0x3c0 [ 64.474326] ops_init+0xbb/0x6b0 [ 64.474774] setup_net+0x3d9/0x990 [ 64.475264] ? down_read_killable+0x1d7/0x4e0 [ 64.475833] ? __pfx_setup_net+0x10/0x10 [ 64.476387] ? copy_net_ns+0x17c/0x770 [ 64.476896] copy_net_ns+0x321/0x770 [ 64.477406] create_new_namespaces+0x3f6/0xb30 [ 64.477988] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.478639] ksys_unshare+0x44d/0x8e0 [ 64.479157] ? __pfx_ksys_unshare+0x10/0x10 [ 64.479706] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.480467] __x64_sys_unshare+0x31/0x40 [ 64.480991] do_syscall_64+0x3f/0x90 [ 64.481502] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.482232] RIP: 0033:0x7fc0262140d7 [ 64.482697] 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 [ 64.484873] RSP: 002b:00007ffe5238b1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.485825] RAX: ffffffffffffffda RBX: 00007ffe5238b828 RCX: 00007fc0262140d7 [ 64.486721] RDX: 00007fc02627e41f RSI: 00007ffe5238b180 RDI: 0000000040000000 [ 64.487604] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5238af90 [ 64.488525] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc026326bf0 [ 64.489411] R13: 00007ffe5238b2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.490332] [ 64.490639] irq event stamp: 10935 [ 64.491104] hardirqs last enabled at (10947): [] __up_console_sem+0x78/0x80 [ 64.492168] hardirqs last disabled at (10958): [] __up_console_sem+0x5d/0x80 [ 64.493256] softirqs last enabled at (10860): [] irq_exit_rcu+0x93/0xc0 [ 64.494308] softirqs last disabled at (10855): [] irq_exit_rcu+0x93/0xc0 [ 64.495350] ---[ end trace 0000000000000000 ]--- [ 64.496747] ------------[ cut here ]------------ [ 64.497390] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.499352] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.500434] Modules linked in: [ 64.500846] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.502025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.503042] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.503681] 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 [ 64.505858] RSP: 0018:ffff88801f42fbf0 EFLAGS: 00010286 [ 64.506562] RAX: 0000000000000000 RBX: ffff88800cae2040 RCX: 0000000000000000 [ 64.507460] RDX: ffff88801654d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.508360] RBP: ffff88800cae2054 R08: 0000000000000001 R09: 0000000000000000 [ 64.509282] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.510172] R13: ffffffff84e223a0 R14: ffff88800cae2048 R15: ffffffff84daf020 [ 64.511065] FS: 00005555563d5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.512063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.512797] CR2: 00007f1cf0cf46f4 CR3: 0000000016c9e000 CR4: 0000000000350ef0 [ 64.513706] Call Trace: [ 64.514071] [ 64.514379] nf_ct_net_init+0x224/0x3d0 [ 64.514894] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.515500] ops_init+0xbb/0x6b0 [ 64.515942] setup_net+0x3d9/0x990 [ 64.516436] ? down_read_killable+0x1d7/0x4e0 [ 64.517047] ? __pfx_setup_net+0x10/0x10 [ 64.517583] ? copy_net_ns+0x17c/0x770 [ 64.518127] copy_net_ns+0x321/0x770 [ 64.518608] create_new_namespaces+0x3f6/0xb30 [ 64.519225] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.519845] ksys_unshare+0x44d/0x8e0 [ 64.520403] ? __pfx_ksys_unshare+0x10/0x10 [ 64.520986] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.521733] __x64_sys_unshare+0x31/0x40 [ 64.522292] do_syscall_64+0x3f/0x90 [ 64.522770] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.523438] RIP: 0033:0x7fc0262140d7 [ 64.523900] 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 [ 64.526083] RSP: 002b:00007ffe5238b1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.526997] RAX: ffffffffffffffda RBX: 00007ffe5238b828 RCX: 00007fc0262140d7 [ 64.527891] RDX: 00007fc02627e41f RSI: 00007ffe5238b180 RDI: 0000000040000000 [ 64.528800] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5238af90 [ 64.529694] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc026326bf0 [ 64.530585] R13: 00007ffe5238b2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.531491] [ 64.531791] irq event stamp: 11715 [ 64.532264] hardirqs last enabled at (11727): [] __up_console_sem+0x78/0x80 [ 64.533361] hardirqs last disabled at (11738): [] __up_console_sem+0x5d/0x80 [ 64.534435] softirqs last enabled at (11308): [] irq_exit_rcu+0x93/0xc0 [ 64.535477] softirqs last disabled at (11301): [] irq_exit_rcu+0x93/0xc0 [ 64.536537] ---[ end trace 0000000000000000 ]--- [ 66.082656] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 68.130088] Bluetooth: hci0: command 0x041b tx timeout [ 70.178170] Bluetooth: hci0: command 0x040f tx timeout executing program [ 72.226090] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:00:00 Registers: info registers vcpu 0 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f42f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 00005555563d5400 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=00007f1cf0cf46f4 CR3=0000000016c9e000 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=0000000000049ac3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f20b8cc11d0 CR3=0000000016658000 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=2033313a30303a37302037312079614d XMM01=5d3034333630342e34362020205b203a 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