Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5473' (ECDSA) to the list of known hosts. 2023/05/18 00:41:31 fuzzer started 2023/05/18 00:41:32 dialing manager at localhost:44319 2023/05/18 00:41:32 checking machine... 2023/05/18 00:41:32 checking revisions... syzkaller login: [ 37.263066] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:41:32 testing simple program... [ 37.324101] cgroup: Unknown subsys name 'net' [ 37.393822] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.658071] audit: type=1400 audit(1684370504.744:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.793860] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.796271] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.797740] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.801809] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.804400] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.805615] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.227004] ------------[ cut here ]------------ [ 51.228032] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.230034] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.231370] Modules linked in: [ 51.231860] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.237102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.238284] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.238951] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.241186] RSP: 0018:ffff88801f60fc00 EFLAGS: 00010282 [ 51.241880] RAX: 0000000000000000 RBX: ffff8880095ff040 RCX: 0000000000000000 [ 51.242794] RDX: ffff88801462d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.243697] RBP: ffff8880095ff054 R08: 0000000000000001 R09: 0000000000000000 [ 51.244610] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.245522] R13: ffffffff84e23fe0 R14: ffff8880095ff048 R15: ffffffff84d74dc0 [ 51.246425] FS: 000055555727c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.247458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.248220] CR2: 00007f7fa6e796f4 CR3: 000000000b37e000 CR4: 0000000000350ef0 [ 51.249095] Call Trace: [ 51.249483] [ 51.249790] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.250441] ipv4_frags_init_net+0x269/0x440 [ 51.251012] ops_init+0xbb/0x6b0 [ 51.251501] setup_net+0x3d9/0x990 [ 51.251974] ? down_read_killable+0x1d7/0x4e0 [ 51.252589] ? __pfx_setup_net+0x10/0x10 [ 51.253114] ? copy_net_ns+0x17c/0x770 [ 51.253686] copy_net_ns+0x321/0x770 [ 51.254210] create_new_namespaces+0x3f6/0xb30 [ 51.254788] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.255423] ksys_unshare+0x44d/0x8e0 [ 51.255907] ? __pfx_ksys_unshare+0x10/0x10 [ 51.256488] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.257236] __x64_sys_unshare+0x31/0x40 [ 51.257749] do_syscall_64+0x3f/0x90 [ 51.258253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.258891] RIP: 0033:0x7f6b802380d7 [ 51.259380] 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 [ 51.261532] RSP: 002b:00007ffe82ec5a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.262467] RAX: ffffffffffffffda RBX: 00007ffe82ec6048 RCX: 00007f6b802380d7 [ 51.263347] RDX: 00007f6b802a241f RSI: 00007ffe82ec59a0 RDI: 0000000040000000 [ 51.264230] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe82ec57b0 [ 51.265086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b8034abf0 [ 51.265976] R13: 00007ffe82ec5ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.266880] [ 51.267214] irq event stamp: 8715 [ 51.267641] hardirqs last enabled at (8725): [] __up_console_sem+0x78/0x80 [ 51.268682] hardirqs last disabled at (8736): [] __up_console_sem+0x5d/0x80 [ 51.269742] softirqs last enabled at (8554): [] irq_exit_rcu+0x93/0xc0 [ 51.270774] softirqs last disabled at (8545): [] irq_exit_rcu+0x93/0xc0 [ 51.271793] ---[ end trace 0000000000000000 ]--- [ 51.277095] ------------[ cut here ]------------ [ 51.277715] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.279345] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.280399] Modules linked in: [ 51.280801] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.281969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.282970] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.283648] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.285822] RSP: 0018:ffff88801f60fc00 EFLAGS: 00010282 [ 51.286515] RAX: 0000000000000000 RBX: ffff888014562c40 RCX: 0000000000000000 [ 51.287383] RDX: ffff88801462d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.288273] RBP: ffff888014562c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.289118] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.290016] R13: ffffffff84e23fe0 R14: ffff888014562c48 R15: ffffffff84da7d60 [ 51.290895] FS: 000055555727c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.291875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.292616] CR2: 00007f7fa6e796f4 CR3: 000000000b37e000 CR4: 0000000000350ef0 [ 51.293507] Call Trace: [ 51.293829] [ 51.294149] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.294761] ipv6_frags_init_net+0x206/0x3c0 [ 51.295343] ops_init+0xbb/0x6b0 [ 51.295790] setup_net+0x3d9/0x990 [ 51.296285] ? down_read_killable+0x1d7/0x4e0 [ 51.296856] ? __pfx_setup_net+0x10/0x10 [ 51.297412] ? copy_net_ns+0x17c/0x770 [ 51.297921] copy_net_ns+0x321/0x770 [ 51.298432] create_new_namespaces+0x3f6/0xb30 [ 51.299014] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.299649] ksys_unshare+0x44d/0x8e0 [ 51.300158] ? __pfx_ksys_unshare+0x10/0x10 [ 51.300698] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.301433] __x64_sys_unshare+0x31/0x40 [ 51.301969] do_syscall_64+0x3f/0x90 [ 51.302506] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.303177] RIP: 0033:0x7f6b802380d7 [ 51.303648] 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 [ 51.305821] RSP: 002b:00007ffe82ec5a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.306761] RAX: ffffffffffffffda RBX: 00007ffe82ec6048 RCX: 00007f6b802380d7 [ 51.307641] RDX: 00007f6b802a241f RSI: 00007ffe82ec59a0 RDI: 0000000040000000 [ 51.308530] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe82ec57b0 [ 51.309425] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b8034abf0 [ 51.310314] R13: 00007ffe82ec5ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.311223] [ 51.311524] irq event stamp: 10547 [ 51.311957] hardirqs last enabled at (10557): [] __up_console_sem+0x78/0x80 [ 51.313023] hardirqs last disabled at (10568): [] __up_console_sem+0x5d/0x80 [ 51.314096] softirqs last enabled at (10298): [] irq_exit_rcu+0x93/0xc0 [ 51.315114] softirqs last disabled at (10289): [] irq_exit_rcu+0x93/0xc0 [ 51.316172] ---[ end trace 0000000000000000 ]--- [ 51.317498] ------------[ cut here ]------------ [ 51.318070] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.320085] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.321145] Modules linked in: [ 51.321567] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.322718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.323716] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.324387] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.326560] RSP: 0018:ffff88801f60fbf0 EFLAGS: 00010286 [ 51.327243] RAX: 0000000000000000 RBX: ffff888014563240 RCX: 0000000000000000 [ 51.328107] RDX: ffff88801462d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.328987] RBP: ffff888014563254 R08: 0000000000000001 R09: 0000000000000000 [ 51.329885] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.330768] R13: ffffffff84e23fe0 R14: ffff888014563248 R15: ffffffff84db0aa0 [ 51.331658] FS: 000055555727c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.332648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.333394] CR2: 00007f7fa6e796f4 CR3: 000000000b37e000 CR4: 0000000000350ef0 [ 51.334286] Call Trace: [ 51.334617] [ 51.334914] nf_ct_net_init+0x224/0x3d0 [ 51.335466] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.336040] ops_init+0xbb/0x6b0 [ 51.336517] setup_net+0x3d9/0x990 [ 51.336974] ? down_read_killable+0x1d7/0x4e0 [ 51.337588] ? __pfx_setup_net+0x10/0x10 [ 51.338089] ? copy_net_ns+0x17c/0x770 [ 51.338628] copy_net_ns+0x321/0x770 [ 51.339100] create_new_namespaces+0x3f6/0xb30 [ 51.339722] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.340357] ksys_unshare+0x44d/0x8e0 [ 51.340841] ? __pfx_ksys_unshare+0x10/0x10 [ 51.341419] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.342149] __x64_sys_unshare+0x31/0x40 [ 51.342663] do_syscall_64+0x3f/0x90 [ 51.343162] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.343804] RIP: 0033:0x7f6b802380d7 [ 51.344297] 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 [ 51.346445] RSP: 002b:00007ffe82ec5a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.347369] RAX: ffffffffffffffda RBX: 00007ffe82ec6048 RCX: 00007f6b802380d7 [ 51.348256] RDX: 00007f6b802a241f RSI: 00007ffe82ec59a0 RDI: 0000000040000000 [ 51.349101] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe82ec57b0 [ 51.349996] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b8034abf0 [ 51.350877] R13: 00007ffe82ec5ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.351768] [ 51.352063] irq event stamp: 11381 [ 51.352527] hardirqs last enabled at (11393): [] __up_console_sem+0x78/0x80 [ 51.353587] hardirqs last disabled at (11404): [] __up_console_sem+0x5d/0x80 [ 51.354639] softirqs last enabled at (11122): [] irq_exit_rcu+0x93/0xc0 [ 51.355658] softirqs last disabled at (11117): [] irq_exit_rcu+0x93/0xc0 [ 51.356679] ---[ end trace 0000000000000000 ]--- executing program [ 52.824925] Bluetooth: hci0: command 0x0409 tx timeout [ 54.872772] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.920306] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.968215] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:41:46 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f60f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 000055555727c400 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=00007f7fa6e796f4 CR3=000000000b37e000 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=0000000000033767 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f3dc5267590 CR3=000000000c9e6000 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=2036343a31343a30302038312079614d XMM01=5d3036383133322e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000