Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45729' (ECDSA) to the list of known hosts. 2023/05/17 11:31:46 fuzzer started 2023/05/17 11:31:46 dialing manager at localhost:44319 2023/05/17 11:31:46 checking machine... 2023/05/17 11:31:46 checking revisions... syzkaller login: [ 45.449805] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:31:46 testing simple program... [ 45.515258] cgroup: Unknown subsys name 'net' [ 45.585252] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.021692] audit: type=1400 audit(1684323119.435:6): 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 [ 59.192893] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.195744] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.198687] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.203986] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.207382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.210102] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.666255] ------------[ cut here ]------------ [ 59.667027] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.668792] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.669915] Modules linked in: [ 59.670329] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.674798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.676075] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.677016] 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 [ 59.679801] RSP: 0018:ffff88801425fc00 EFLAGS: 00010282 [ 59.680763] RAX: 0000000000000000 RBX: ffff88800c7c5440 RCX: 0000000000000000 [ 59.681926] RDX: ffff888009b7b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.683219] RBP: ffff88800c7c5454 R08: 0000000000000001 R09: 0000000000000000 [ 59.684422] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.685510] R13: ffffffff84e23fe0 R14: ffff88800c7c5448 R15: ffffffff84d74dc0 [ 59.686588] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.687851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.688750] CR2: 00007f4803cd66f4 CR3: 000000000f072000 CR4: 0000000000350ef0 [ 59.689782] Call Trace: [ 59.690115] [ 59.690420] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.691133] ipv4_frags_init_net+0x269/0x440 [ 59.691794] ops_init+0xbb/0x6b0 [ 59.692258] setup_net+0x3d9/0x990 [ 59.692790] ? down_read_killable+0x1d7/0x4e0 [ 59.693375] ? __pfx_setup_net+0x10/0x10 [ 59.693959] ? copy_net_ns+0x17c/0x770 [ 59.694479] copy_net_ns+0x321/0x770 [ 59.695041] create_new_namespaces+0x3f6/0xb30 [ 59.695711] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.696457] ksys_unshare+0x44d/0x8e0 [ 59.697178] ? __pfx_ksys_unshare+0x10/0x10 [ 59.697978] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.699006] __x64_sys_unshare+0x31/0x40 [ 59.699771] do_syscall_64+0x3f/0x90 [ 59.700422] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.701357] RIP: 0033:0x7f8e860f30d7 [ 59.702032] 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 [ 59.705000] RSP: 002b:00007ffeaede4048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.706299] RAX: ffffffffffffffda RBX: 00007ffeaede4688 RCX: 00007f8e860f30d7 [ 59.707556] RDX: 00007f8e8615d41f RSI: 00007ffeaede3fe0 RDI: 0000000040000000 [ 59.708779] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeaede3df0 [ 59.710011] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8e86205bf0 [ 59.711247] R13: 00007ffeaede4120 R14: 0000000000000000 R15: 00000000000000f8 [ 59.712511] [ 59.712954] irq event stamp: 10187 [ 59.713588] hardirqs last enabled at (10199): [] __up_console_sem+0x78/0x80 [ 59.715073] hardirqs last disabled at (10210): [] __up_console_sem+0x5d/0x80 [ 59.716559] softirqs last enabled at (10134): [] irq_exit_rcu+0x93/0xc0 [ 59.717988] softirqs last disabled at (10129): [] irq_exit_rcu+0x93/0xc0 [ 59.719417] ---[ end trace 0000000000000000 ]--- [ 59.726792] ------------[ cut here ]------------ [ 59.727421] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.729074] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.730161] Modules linked in: [ 59.730623] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.731834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.732895] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.733571] 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 [ 59.735859] RSP: 0018:ffff88801425fc00 EFLAGS: 00010282 [ 59.736637] RAX: 0000000000000000 RBX: ffff888013ba3240 RCX: 0000000000000000 [ 59.737632] RDX: ffff888009b7b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.738660] RBP: ffff888013ba3254 R08: 0000000000000001 R09: 0000000000000000 [ 59.739700] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.740701] R13: ffffffff84e23fe0 R14: ffff888013ba3248 R15: ffffffff84da7d60 [ 59.741696] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.742812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.743665] CR2: 00007f4803cd66f4 CR3: 000000000f072000 CR4: 0000000000350ef0 [ 59.744669] Call Trace: [ 59.745033] [ 59.745364] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.746091] ipv6_frags_init_net+0x206/0x3c0 [ 59.746734] ops_init+0xbb/0x6b0 [ 59.747225] setup_net+0x3d9/0x990 [ 59.747756] ? down_read_killable+0x1d7/0x4e0 [ 59.748371] ? __pfx_setup_net+0x10/0x10 [ 59.748962] ? copy_net_ns+0x17c/0x770 [ 59.749511] copy_net_ns+0x321/0x770 [ 59.750070] create_new_namespaces+0x3f6/0xb30 [ 59.750735] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.751405] ksys_unshare+0x44d/0x8e0 [ 59.751968] ? __pfx_ksys_unshare+0x10/0x10 [ 59.752588] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.753344] __x64_sys_unshare+0x31/0x40 [ 59.753933] do_syscall_64+0x3f/0x90 [ 59.754438] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.755191] RIP: 0033:0x7f8e860f30d7 [ 59.755718] 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 [ 59.758045] RSP: 002b:00007ffeaede4048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.759080] RAX: ffffffffffffffda RBX: 00007ffeaede4688 RCX: 00007f8e860f30d7 [ 59.760028] RDX: 00007f8e8615d41f RSI: 00007ffeaede3fe0 RDI: 0000000040000000 [ 59.761000] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeaede3df0 [ 59.761952] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8e86205bf0 [ 59.762929] R13: 00007ffeaede4120 R14: 0000000000000000 R15: 00000000000000f8 [ 59.763900] [ 59.764223] irq event stamp: 12055 [ 59.764737] hardirqs last enabled at (12067): [] __up_console_sem+0x78/0x80 [ 59.765882] hardirqs last disabled at (12078): [] __up_console_sem+0x5d/0x80 [ 59.767043] softirqs last enabled at (11678): [] irq_exit_rcu+0x93/0xc0 [ 59.768144] softirqs last disabled at (11673): [] irq_exit_rcu+0x93/0xc0 [ 59.769258] ---[ end trace 0000000000000000 ]--- [ 59.770819] ------------[ cut here ]------------ [ 59.771439] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.773449] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.774586] Modules linked in: [ 59.775042] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.776287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.777379] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.778114] 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 [ 59.780419] RSP: 0018:ffff88801425fbf0 EFLAGS: 00010286 [ 59.781153] RAX: 0000000000000000 RBX: ffff88800efec440 RCX: 0000000000000000 [ 59.782100] RDX: ffff888009b7b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.783066] RBP: ffff88800efec454 R08: 0000000000000001 R09: 0000000000000000 [ 59.784017] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.784987] R13: ffffffff84e23fe0 R14: ffff88800efec448 R15: ffffffff84db0aa0 [ 59.785969] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.787062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.787879] CR2: 00007f4803cd66f4 CR3: 000000000f072000 CR4: 0000000000350ef0 [ 59.788833] Call Trace: [ 59.789193] [ 59.789556] nf_ct_net_init+0x224/0x3d0 [ 59.790116] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.790778] ops_init+0xbb/0x6b0 [ 59.791276] setup_net+0x3d9/0x990 [ 59.791811] ? down_read_killable+0x1d7/0x4e0 [ 59.792436] ? __pfx_setup_net+0x10/0x10 [ 59.793023] ? copy_net_ns+0x17c/0x770 [ 59.793598] copy_net_ns+0x321/0x770 [ 59.794119] create_new_namespaces+0x3f6/0xb30 [ 59.794787] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.795474] ksys_unshare+0x44d/0x8e0 [ 59.796046] ? __pfx_ksys_unshare+0x10/0x10 [ 59.796665] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.797438] __x64_sys_unshare+0x31/0x40 [ 59.798029] do_syscall_64+0x3f/0x90 [ 59.798581] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.799288] RIP: 0033:0x7f8e860f30d7 [ 59.799828] 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 [ 59.802192] RSP: 002b:00007ffeaede4048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.803276] RAX: ffffffffffffffda RBX: 00007ffeaede4688 RCX: 00007f8e860f30d7 [ 59.804241] RDX: 00007f8e8615d41f RSI: 00007ffeaede3fe0 RDI: 0000000040000000 [ 59.805206] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeaede3df0 [ 59.806147] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8e86205bf0 [ 59.807128] R13: 00007ffeaede4120 R14: 0000000000000000 R15: 00000000000000f8 [ 59.808119] [ 59.808451] irq event stamp: 12827 [ 59.808972] hardirqs last enabled at (12839): [] __up_console_sem+0x78/0x80 [ 59.810146] hardirqs last disabled at (12850): [] __up_console_sem+0x5d/0x80 [ 59.811316] softirqs last enabled at (12752): [] irq_exit_rcu+0x93/0xc0 [ 59.812433] softirqs last disabled at (12747): [] irq_exit_rcu+0x93/0xc0 [ 59.813561] ---[ end trace 0000000000000000 ]--- executing program [ 61.276168] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.323582] Bluetooth: hci0: command 0x041b tx timeout [ 65.372641] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.419595] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:31:51 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801425f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556dea400 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=00007f4803cd66f4 CR3=000000000f072000 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=0000000000042c05 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=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=00007f0fbb9e2630 CR3=000000000e8ee000 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=2031303a32333a31312037312079614d XMM01=5d3239373836362e39352020205b203a XMM02=74656e20746120373532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3239373836362e39352020205b XMM07=79732031303a32333a31312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000