Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:9964' (ECDSA) to the list of known hosts. 2023/05/17 08:12:16 fuzzer started 2023/05/17 08:12:17 dialing manager at localhost:35573 2023/05/17 08:12:17 checking machine... 2023/05/17 08:12:17 checking revisions... syzkaller login: [ 31.098092] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:12:17 testing simple program... [ 31.194637] cgroup: Unknown subsys name 'net' [ 31.298819] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 44.059545] audit: type=1400 audit(1684311150.315:6): 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 [ 45.212419] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.213932] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.216194] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.220039] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.221930] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.223962] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.653900] ------------[ cut here ]------------ [ 45.654589] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.656441] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.657707] Modules linked in: [ 45.658175] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.662598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.663452] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.664024] 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 [ 45.665890] RSP: 0018:ffff888016b8fc00 EFLAGS: 00010282 [ 45.666451] RAX: 0000000000000000 RBX: ffff88800c5a2c40 RCX: 0000000000000000 [ 45.667193] RDX: ffff888017409b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.667955] RBP: ffff88800c5a2c54 R08: 0000000000000001 R09: 0000000000000000 [ 45.668719] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.669518] R13: ffffffff84e223a0 R14: ffff88800c5a2c48 R15: ffffffff84d73340 [ 45.670325] FS: 0000555555df9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.671206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.671859] CR2: 00007f54b19646f4 CR3: 0000000016630000 CR4: 0000000000350ee0 [ 45.672629] Call Trace: [ 45.672959] [ 45.673226] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.673790] ipv4_frags_init_net+0x269/0x440 [ 45.674253] ops_init+0xbb/0x6b0 [ 45.674618] setup_net+0x3d9/0x990 [ 45.675022] ? down_read_killable+0x1d7/0x4e0 [ 45.675489] ? __pfx_setup_net+0x10/0x10 [ 45.675948] ? copy_net_ns+0x17c/0x770 [ 45.676368] copy_net_ns+0x321/0x770 [ 45.676828] create_new_namespaces+0x3f6/0xb30 [ 45.677314] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.677944] ksys_unshare+0x44d/0x8e0 [ 45.678470] ? __pfx_ksys_unshare+0x10/0x10 [ 45.679084] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.679889] __x64_sys_unshare+0x31/0x40 [ 45.680435] do_syscall_64+0x3f/0x90 [ 45.680995] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.681711] RIP: 0033:0x7fdae294b0d7 [ 45.682261] 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 [ 45.684762] RSP: 002b:00007ffdc9dd3ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.685844] RAX: ffffffffffffffda RBX: 00007ffdc9dd41e8 RCX: 00007fdae294b0d7 [ 45.686852] RDX: 00007fdae29b541f RSI: 00007ffdc9dd3b40 RDI: 0000000040000000 [ 45.687847] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc9dd3950 [ 45.688852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdae2a5dbf0 [ 45.689823] R13: 00007ffdc9dd3c80 R14: 0000000000000000 R15: 00000000000000f8 [ 45.690860] [ 45.691193] irq event stamp: 7553 [ 45.691672] hardirqs last enabled at (7563): [] __up_console_sem+0x78/0x80 [ 45.692899] hardirqs last disabled at (7574): [] __up_console_sem+0x5d/0x80 [ 45.694119] softirqs last enabled at (7008): [] irq_exit_rcu+0x93/0xc0 [ 45.695109] softirqs last disabled at (7003): [] irq_exit_rcu+0x93/0xc0 [ 45.696066] ---[ end trace 0000000000000000 ]--- [ 45.703334] ------------[ cut here ]------------ [ 45.704031] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.705838] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.706840] Modules linked in: [ 45.707235] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.708342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.709315] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.709960] 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 [ 45.711934] RSP: 0018:ffff888016b8fc00 EFLAGS: 00010282 [ 45.712488] RAX: 0000000000000000 RBX: ffff88800ee4c440 RCX: 0000000000000000 [ 45.713304] RDX: ffff888017409b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.714162] RBP: ffff88800ee4c454 R08: 0000000000000001 R09: 0000000000000000 [ 45.714948] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.715663] R13: ffffffff84e223a0 R14: ffff88800ee4c448 R15: ffffffff84da62e0 [ 45.716405] FS: 0000555555df9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.717236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.717870] CR2: 00007f54b19646f4 CR3: 0000000016630000 CR4: 0000000000350ee0 [ 45.718575] Call Trace: [ 45.718883] [ 45.719126] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.719624] ipv6_frags_init_net+0x206/0x3c0 [ 45.720174] ops_init+0xbb/0x6b0 [ 45.720546] setup_net+0x3d9/0x990 [ 45.720963] ? down_read_killable+0x1d7/0x4e0 [ 45.721440] ? __pfx_setup_net+0x10/0x10 [ 45.721904] ? copy_net_ns+0x17c/0x770 [ 45.722328] copy_net_ns+0x321/0x770 [ 45.722722] create_new_namespaces+0x3f6/0xb30 [ 45.723237] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.723773] ksys_unshare+0x44d/0x8e0 [ 45.724178] ? __pfx_ksys_unshare+0x10/0x10 [ 45.724639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.725262] __x64_sys_unshare+0x31/0x40 [ 45.725680] do_syscall_64+0x3f/0x90 [ 45.726102] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.726625] RIP: 0033:0x7fdae294b0d7 [ 45.727044] 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 [ 45.728847] RSP: 002b:00007ffdc9dd3ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.729601] RAX: ffffffffffffffda RBX: 00007ffdc9dd41e8 RCX: 00007fdae294b0d7 [ 45.730337] RDX: 00007fdae29b541f RSI: 00007ffdc9dd3b40 RDI: 0000000040000000 [ 45.731056] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc9dd3950 [ 45.731774] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdae2a5dbf0 [ 45.732471] R13: 00007ffdc9dd3c80 R14: 0000000000000000 R15: 00000000000000f8 [ 45.733222] [ 45.733462] irq event stamp: 9551 [ 45.733825] hardirqs last enabled at (9563): [] __up_console_sem+0x78/0x80 [ 45.734660] hardirqs last disabled at (9572): [] __up_console_sem+0x5d/0x80 [ 45.735504] softirqs last enabled at (9134): [] irq_exit_rcu+0x93/0xc0 [ 45.736340] softirqs last disabled at (9125): [] irq_exit_rcu+0x93/0xc0 [ 45.737197] ---[ end trace 0000000000000000 ]--- [ 45.738352] ------------[ cut here ]------------ [ 45.738949] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.740596] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.741718] Modules linked in: [ 45.742157] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.743336] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.744362] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.745097] 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 [ 45.747296] RSP: 0018:ffff888016b8fbf0 EFLAGS: 00010286 [ 45.748009] RAX: 0000000000000000 RBX: ffff88800ee4da40 RCX: 0000000000000000 [ 45.748968] RDX: ffff888017409b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.749874] RBP: ffff88800ee4da54 R08: 0000000000000001 R09: 0000000000000000 [ 45.750774] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.751638] R13: ffffffff84e223a0 R14: ffff88800ee4da48 R15: ffffffff84daf020 [ 45.752548] FS: 0000555555df9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.753702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.754517] CR2: 00007f54b19646f4 CR3: 0000000016630000 CR4: 0000000000350ee0 [ 45.755392] Call Trace: [ 45.755673] [ 45.756015] nf_ct_net_init+0x224/0x3d0 [ 45.756452] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.756997] ops_init+0xbb/0x6b0 [ 45.757375] setup_net+0x3d9/0x990 [ 45.757769] ? down_read_killable+0x1d7/0x4e0 [ 45.758227] ? __pfx_setup_net+0x10/0x10 [ 45.758625] ? copy_net_ns+0x17c/0x770 [ 45.759067] copy_net_ns+0x321/0x770 [ 45.759451] create_new_namespaces+0x3f6/0xb30 [ 45.759959] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.760444] ksys_unshare+0x44d/0x8e0 [ 45.760928] ? __pfx_ksys_unshare+0x10/0x10 [ 45.761406] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.762020] __x64_sys_unshare+0x31/0x40 [ 45.762429] do_syscall_64+0x3f/0x90 [ 45.762850] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.763331] RIP: 0033:0x7fdae294b0d7 [ 45.763669] 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 [ 45.765257] RSP: 002b:00007ffdc9dd3ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.765969] RAX: ffffffffffffffda RBX: 00007ffdc9dd41e8 RCX: 00007fdae294b0d7 [ 45.766588] RDX: 00007fdae29b541f RSI: 00007ffdc9dd3b40 RDI: 0000000040000000 [ 45.767234] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc9dd3950 [ 45.767885] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdae2a5dbf0 [ 45.768507] R13: 00007ffdc9dd3c80 R14: 0000000000000000 R15: 00000000000000f8 [ 45.769194] [ 45.769414] irq event stamp: 10407 [ 45.769727] hardirqs last enabled at (10417): [] __up_console_sem+0x78/0x80 [ 45.770508] hardirqs last disabled at (10428): [] __up_console_sem+0x5d/0x80 [ 45.771305] softirqs last enabled at (10444): [] irq_exit_rcu+0x93/0xc0 [ 45.772073] softirqs last disabled at (10437): [] irq_exit_rcu+0x93/0xc0 [ 45.772854] ---[ end trace 0000000000000000 ]--- executing program [ 47.239613] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.287553] Bluetooth: hci0: command 0x041b tx timeout [ 51.334803] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.382861] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:12:30 Registers: info registers vcpu 0 RAX=0000000000027707 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=00007f905dcd4070 CR3=0000000016566000 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=db465d2c43de6aaf494add9d06b205f8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f66491f931c58c41000000000013ba68 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4d106f6aadd1ef2400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000202000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016b8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555df9400 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=00007f54b19646f4 CR3=0000000016630000 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