Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20742' (ECDSA) to the list of known hosts. 2023/05/17 00:23:53 fuzzer started 2023/05/17 00:23:53 dialing manager at localhost:35573 2023/05/17 00:23:53 checking machine... 2023/05/17 00:23:53 checking revisions... syzkaller login: [ 31.216368] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:23:54 testing simple program... [ 31.281672] cgroup: Unknown subsys name 'net' [ 31.363685] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.731548] audit: type=1400 audit(1684283046.616:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.886093] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.887913] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.890803] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.894064] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.896593] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.897996] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.284817] ------------[ cut here ]------------ [ 45.285897] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.287694] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.288760] Modules linked in: [ 45.289159] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.293975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.294997] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.295677] 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 [ 45.297924] RSP: 0018:ffff88801f2b7c00 EFLAGS: 00010282 [ 45.298615] RAX: 0000000000000000 RBX: ffff888009496c40 RCX: 0000000000000000 [ 45.299511] RDX: ffff888017fd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.300405] RBP: ffff888009496c54 R08: 0000000000000001 R09: 0000000000000000 [ 45.301306] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.302184] R13: ffffffff84e223a0 R14: ffff888009496c48 R15: ffffffff84d73340 [ 45.303087] FS: 00005555560b6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.304087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.304828] CR2: 000055db6d93a7c8 CR3: 00000000069c8000 CR4: 0000000000350ef0 [ 45.305735] Call Trace: [ 45.306064] [ 45.306402] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.307017] ipv4_frags_init_net+0x269/0x440 [ 45.307600] ops_init+0xbb/0x6b0 [ 45.308054] setup_net+0x3d9/0x990 [ 45.308545] ? down_read_killable+0x1d7/0x4e0 [ 45.309115] ? __pfx_setup_net+0x10/0x10 [ 45.309676] ? copy_net_ns+0x17c/0x770 [ 45.310187] copy_net_ns+0x321/0x770 [ 45.310701] create_new_namespaces+0x3f6/0xb30 [ 45.311325] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.311949] ksys_unshare+0x44d/0x8e0 [ 45.312473] ? __pfx_ksys_unshare+0x10/0x10 [ 45.313023] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.313773] __x64_sys_unshare+0x31/0x40 [ 45.314331] do_syscall_64+0x3f/0x90 [ 45.314817] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.315495] RIP: 0033:0x7f8ab2e650d7 [ 45.315975] 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 [ 45.318237] RSP: 002b:00007ffe98525a28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.319154] RAX: ffffffffffffffda RBX: 00007ffe98526068 RCX: 00007f8ab2e650d7 [ 45.320047] RDX: 00007f8ab2ecf41f RSI: 00007ffe985259c0 RDI: 0000000040000000 [ 45.320932] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe985257d0 [ 45.321851] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ab2f77bf0 [ 45.322745] R13: 00007ffe98525b00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.323673] [ 45.323980] irq event stamp: 8165 [ 45.324434] hardirqs last enabled at (8177): [] __up_console_sem+0x78/0x80 [ 45.325510] hardirqs last disabled at (8188): [] __up_console_sem+0x5d/0x80 [ 45.326600] softirqs last enabled at (7660): [] irq_exit_rcu+0x93/0xc0 [ 45.327638] softirqs last disabled at (7651): [] irq_exit_rcu+0x93/0xc0 [ 45.328668] ---[ end trace 0000000000000000 ]--- [ 45.333537] ------------[ cut here ]------------ [ 45.334150] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.335994] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.337058] Modules linked in: [ 45.337496] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.338674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.339689] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.340362] 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 [ 45.342554] RSP: 0018:ffff88801f2b7c00 EFLAGS: 00010282 [ 45.343241] RAX: 0000000000000000 RBX: ffff88800d6f1a40 RCX: 0000000000000000 [ 45.344107] RDX: ffff888017fd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.344999] RBP: ffff88800d6f1a54 R08: 0000000000000001 R09: 0000000000000000 [ 45.345913] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.346829] R13: ffffffff84e223a0 R14: ffff88800d6f1a48 R15: ffffffff84da62e0 [ 45.347728] FS: 00005555560b6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.348730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.349480] CR2: 000055db6d93a7c8 CR3: 00000000069c8000 CR4: 0000000000350ef0 [ 45.350398] Call Trace: [ 45.350731] [ 45.351034] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.351676] ipv6_frags_init_net+0x206/0x3c0 [ 45.352269] ops_init+0xbb/0x6b0 [ 45.352722] setup_net+0x3d9/0x990 [ 45.353177] ? down_read_killable+0x1d7/0x4e0 [ 45.353802] ? __pfx_setup_net+0x10/0x10 [ 45.354345] ? copy_net_ns+0x17c/0x770 [ 45.354854] copy_net_ns+0x321/0x770 [ 45.355370] create_new_namespaces+0x3f6/0xb30 [ 45.355966] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.356614] ksys_unshare+0x44d/0x8e0 [ 45.357115] ? __pfx_ksys_unshare+0x10/0x10 [ 45.357702] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.358700] __x64_sys_unshare+0x31/0x40 [ 45.359462] do_syscall_64+0x3f/0x90 [ 45.360112] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.361019] RIP: 0033:0x7f8ab2e650d7 [ 45.361546] 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 [ 45.363849] RSP: 002b:00007ffe98525a28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.364844] RAX: ffffffffffffffda RBX: 00007ffe98526068 RCX: 00007f8ab2e650d7 [ 45.365845] RDX: 00007f8ab2ecf41f RSI: 00007ffe985259c0 RDI: 0000000040000000 [ 45.366746] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe985257d0 [ 45.367652] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ab2f77bf0 [ 45.368546] R13: 00007ffe98525b00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.369470] [ 45.369780] irq event stamp: 9859 [ 45.370244] hardirqs last enabled at (9871): [] __up_console_sem+0x78/0x80 [ 45.371307] hardirqs last disabled at (9882): [] __up_console_sem+0x5d/0x80 [ 45.372383] softirqs last enabled at (9352): [] irq_exit_rcu+0x93/0xc0 [ 45.373418] softirqs last disabled at (9301): [] irq_exit_rcu+0x93/0xc0 [ 45.374485] ---[ end trace 0000000000000000 ]--- [ 45.375801] ------------[ cut here ]------------ [ 45.376414] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.378438] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.379491] Modules linked in: [ 45.379896] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.381131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.382234] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.382882] 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 [ 45.385183] RSP: 0018:ffff88801f2b7bf0 EFLAGS: 00010286 [ 45.385885] RAX: 0000000000000000 RBX: ffff88800d6f1440 RCX: 0000000000000000 [ 45.386812] RDX: ffff888017fd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.387732] RBP: ffff88800d6f1454 R08: 0000000000000001 R09: 0000000000000000 [ 45.388676] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.389570] R13: ffffffff84e223a0 R14: ffff88800d6f1448 R15: ffffffff84daf020 [ 45.390517] FS: 00005555560b6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.391513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.392260] CR2: 000055db6d93a7c8 CR3: 00000000069c8000 CR4: 0000000000350ef0 [ 45.393122] Call Trace: [ 45.393480] [ 45.393791] nf_ct_net_init+0x224/0x3d0 [ 45.394341] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.394913] ops_init+0xbb/0x6b0 [ 45.395390] setup_net+0x3d9/0x990 [ 45.395849] ? down_read_killable+0x1d7/0x4e0 [ 45.396444] ? __pfx_setup_net+0x10/0x10 [ 45.396958] ? copy_net_ns+0x17c/0x770 [ 45.397498] copy_net_ns+0x321/0x770 [ 45.397990] create_new_namespaces+0x3f6/0xb30 [ 45.398615] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.399268] ksys_unshare+0x44d/0x8e0 [ 45.399763] ? __pfx_ksys_unshare+0x10/0x10 [ 45.400351] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.401075] __x64_sys_unshare+0x31/0x40 [ 45.401652] do_syscall_64+0x3f/0x90 [ 45.402141] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.402818] RIP: 0033:0x7f8ab2e650d7 [ 45.403320] 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 [ 45.405520] RSP: 002b:00007ffe98525a28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.406486] RAX: ffffffffffffffda RBX: 00007ffe98526068 RCX: 00007f8ab2e650d7 [ 45.407387] RDX: 00007f8ab2ecf41f RSI: 00007ffe985259c0 RDI: 0000000040000000 [ 45.408278] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe985257d0 [ 45.409139] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ab2f77bf0 [ 45.410053] R13: 00007ffe98525b00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.410980] [ 45.411315] irq event stamp: 10615 [ 45.411759] hardirqs last enabled at (10625): [] __up_console_sem+0x78/0x80 [ 45.412836] hardirqs last disabled at (10636): [] __up_console_sem+0x5d/0x80 [ 45.413931] softirqs last enabled at (10420): [] irq_exit_rcu+0x93/0xc0 [ 45.415000] softirqs last disabled at (10415): [] irq_exit_rcu+0x93/0xc0 [ 45.416039] ---[ end trace 0000000000000000 ]--- executing program [ 46.974882] Bluetooth: hci0: command 0x0409 tx timeout [ 49.022294] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.070289] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.118259] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:24:06 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f2b75f0 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 00005555560b6400 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=000055db6d93a7c8 CR3=00000000069c8000 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=0000000000026d9d 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=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 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=00007f90626a6370 CR3=000000000ca0c000 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=2038303a34323a30302037312079614d XMM01=5d3935313938322e35342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000