Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:30514' (ECDSA) to the list of known hosts. 2023/05/17 06:40:30 fuzzer started 2023/05/17 06:40:31 dialing manager at localhost:35573 2023/05/17 06:40:31 checking machine... 2023/05/17 06:40:31 checking revisions... syzkaller login: [ 37.853162] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:40:31 testing simple program... [ 37.921840] cgroup: Unknown subsys name 'net' [ 37.984108] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.040599] audit: type=1400 audit(1684305643.522:6): avc: denied { execmem } for pid=262 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.150195] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.152422] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.154111] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.158556] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.159983] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.161809] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.562401] ------------[ cut here ]------------ [ 51.563168] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.565538] WARNING: CPU: 1 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.566964] Modules linked in: [ 51.567674] CPU: 1 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.572275] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.573325] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.574015] 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 [ 51.576276] RSP: 0018:ffff8880184efc00 EFLAGS: 00010282 [ 51.576984] RAX: 0000000000000000 RBX: ffff88800daf6840 RCX: 0000000000000000 [ 51.577912] RDX: ffff888009f4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.578834] RBP: ffff88800daf6854 R08: 0000000000000001 R09: 0000000000000000 [ 51.579766] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.580669] R13: ffffffff84e223a0 R14: ffff88800daf6848 R15: ffffffff84d73340 [ 51.581619] FS: 00005555573cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.582678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.583466] CR2: 00007faed02edd30 CR3: 000000000da6e000 CR4: 0000000000350ee0 [ 51.584386] Call Trace: [ 51.584726] [ 51.585032] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.585700] ipv4_frags_init_net+0x269/0x440 [ 51.586279] ops_init+0xbb/0x6b0 [ 51.586769] setup_net+0x3d9/0x990 [ 51.587260] ? down_read_killable+0x1d7/0x4e0 [ 51.587882] ? __pfx_setup_net+0x10/0x10 [ 51.588443] ? copy_net_ns+0x17c/0x770 [ 51.588966] copy_net_ns+0x321/0x770 [ 51.589504] create_new_namespaces+0x3f6/0xb30 [ 51.590111] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.590781] ksys_unshare+0x44d/0x8e0 [ 51.591302] ? __pfx_ksys_unshare+0x10/0x10 [ 51.591904] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.592674] __x64_sys_unshare+0x31/0x40 [ 51.593217] do_syscall_64+0x3f/0x90 [ 51.593744] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.594443] RIP: 0033:0x7f9b04fa50d7 [ 51.594927] 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 [ 51.597200] RSP: 002b:00007ffcc962cb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.598187] RAX: ffffffffffffffda RBX: 00007ffcc962d1d8 RCX: 00007f9b04fa50d7 [ 51.599126] RDX: 00007f9b0500f41f RSI: 00007ffcc962cb30 RDI: 0000000040000000 [ 51.600051] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcc962c940 [ 51.600971] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9b050b7bf0 [ 51.601893] R13: 00007ffcc962cc70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.602856] [ 51.603175] irq event stamp: 7987 [ 51.603644] hardirqs last enabled at (7999): [] __up_console_sem+0x78/0x80 [ 51.604727] hardirqs last disabled at (8010): [] __up_console_sem+0x5d/0x80 [ 51.605813] softirqs last enabled at (7520): [] irq_exit_rcu+0x93/0xc0 [ 51.606885] softirqs last disabled at (7483): [] irq_exit_rcu+0x93/0xc0 [ 51.608056] ---[ end trace 0000000000000000 ]--- [ 51.613154] ------------[ cut here ]------------ [ 51.613950] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.615716] WARNING: CPU: 1 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.616817] Modules linked in: [ 51.617241] CPU: 1 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.618444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.619519] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.620185] 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 [ 51.622432] RSP: 0018:ffff8880184efc00 EFLAGS: 00010282 [ 51.623113] RAX: 0000000000000000 RBX: ffff888009e75c40 RCX: 0000000000000000 [ 51.624034] RDX: ffff888009f4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.624944] RBP: ffff888009e75c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.625861] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.626805] R13: ffffffff84e223a0 R14: ffff888009e75c48 R15: ffffffff84da62e0 [ 51.627784] FS: 00005555573cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.628866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.629682] CR2: 00007faed02edd30 CR3: 000000000da6e000 CR4: 0000000000350ee0 [ 51.630631] Call Trace: [ 51.630979] [ 51.631304] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.632003] ipv6_frags_init_net+0x206/0x3c0 [ 51.632640] ops_init+0xbb/0x6b0 [ 51.633132] setup_net+0x3d9/0x990 [ 51.633666] ? down_read_killable+0x1d7/0x4e0 [ 51.634315] ? __pfx_setup_net+0x10/0x10 [ 51.634897] ? copy_net_ns+0x17c/0x770 [ 51.635487] copy_net_ns+0x321/0x770 [ 51.636007] create_new_namespaces+0x3f6/0xb30 [ 51.636677] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.637379] ksys_unshare+0x44d/0x8e0 [ 51.637909] ? __pfx_ksys_unshare+0x10/0x10 [ 51.638555] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.639303] __x64_sys_unshare+0x31/0x40 [ 51.639871] do_syscall_64+0x3f/0x90 [ 51.640387] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.641052] RIP: 0033:0x7f9b04fa50d7 [ 51.641558] 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 [ 51.643800] RSP: 002b:00007ffcc962cb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.644778] RAX: ffffffffffffffda RBX: 00007ffcc962d1d8 RCX: 00007f9b04fa50d7 [ 51.645701] RDX: 00007f9b0500f41f RSI: 00007ffcc962cb30 RDI: 0000000040000000 [ 51.646619] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcc962c940 [ 51.647563] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9b050b7bf0 [ 51.648484] R13: 00007ffcc962cc70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.649431] [ 51.649741] irq event stamp: 9489 [ 51.650187] hardirqs last enabled at (9499): [] __up_console_sem+0x78/0x80 [ 51.651297] hardirqs last disabled at (9510): [] __up_console_sem+0x5d/0x80 [ 51.652411] softirqs last enabled at (9328): [] irq_exit_rcu+0x93/0xc0 [ 51.653485] softirqs last disabled at (9319): [] irq_exit_rcu+0x93/0xc0 [ 51.654553] ---[ end trace 0000000000000000 ]--- [ 51.655991] ------------[ cut here ]------------ [ 51.656806] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.659178] WARNING: CPU: 1 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.660526] Modules linked in: [ 51.661051] CPU: 1 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.662540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.663862] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.664727] 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 [ 51.667709] RSP: 0018:ffff8880184efbf0 EFLAGS: 00010286 [ 51.668585] RAX: 0000000000000000 RBX: ffff88800d92fc40 RCX: 0000000000000000 [ 51.669753] RDX: ffff888009f4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.670927] RBP: ffff88800d92fc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.672130] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.673326] R13: ffffffff84e223a0 R14: ffff88800d92fc48 R15: ffffffff84daf020 [ 51.674659] FS: 00005555573cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.676013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.677023] CR2: 00007faed02edd30 CR3: 000000000da6e000 CR4: 0000000000350ee0 [ 51.678332] Call Trace: [ 51.678858] [ 51.679299] nf_ct_net_init+0x224/0x3d0 [ 51.680096] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.680935] ops_init+0xbb/0x6b0 [ 51.681579] setup_net+0x3d9/0x990 [ 51.682198] ? down_read_killable+0x1d7/0x4e0 [ 51.683013] ? __pfx_setup_net+0x10/0x10 [ 51.683629] ? copy_net_ns+0x17c/0x770 [ 51.684314] copy_net_ns+0x321/0x770 [ 51.684874] create_new_namespaces+0x3f6/0xb30 [ 51.685530] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.686187] ksys_unshare+0x44d/0x8e0 [ 51.686764] ? __pfx_ksys_unshare+0x10/0x10 [ 51.687405] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.688165] __x64_sys_unshare+0x31/0x40 [ 51.688743] do_syscall_64+0x3f/0x90 [ 51.689279] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.689993] RIP: 0033:0x7f9b04fa50d7 [ 51.690652] 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 [ 51.693375] RSP: 002b:00007ffcc962cb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.694624] RAX: ffffffffffffffda RBX: 00007ffcc962d1d8 RCX: 00007f9b04fa50d7 [ 51.695576] RDX: 00007f9b0500f41f RSI: 00007ffcc962cb30 RDI: 0000000040000000 [ 51.696501] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcc962c940 [ 51.697421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9b050b7bf0 [ 51.698320] R13: 00007ffcc962cc70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.699440] [ 51.699756] irq event stamp: 10323 [ 51.700208] hardirqs last enabled at (10333): [] __up_console_sem+0x78/0x80 [ 51.701318] hardirqs last disabled at (10344): [] __up_console_sem+0x5d/0x80 [ 51.702442] softirqs last enabled at (9952): [] irq_exit_rcu+0x93/0xc0 [ 51.703519] softirqs last disabled at (9947): [] irq_exit_rcu+0x93/0xc0 [ 51.704582] ---[ end trace 0000000000000000 ]--- executing program [ 53.230106] Bluetooth: hci0: command 0x0409 tx timeout [ 55.277433] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.325406] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.373421] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 06:40:44 Registers: info registers vcpu 0 RAX=000000000002a531 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=00007faed0423000 CR3=0000000015b72000 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=7fd90029439b4093a4455507157537b9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=c2535acd3853d6c5000000000013be60 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=17a5fe5f98261bfe00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880184ef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 00005555573cf400 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=00007faed02edd30 CR3=000000000da6e000 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