Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21183' (ECDSA) to the list of known hosts. 2023/05/16 14:19:20 fuzzer started 2023/05/16 14:19:20 dialing manager at localhost:35573 2023/05/16 14:19:20 checking machine... 2023/05/16 14:19:20 checking revisions... syzkaller login: [ 53.744898] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:19:20 testing simple program... [ 53.824387] cgroup: Unknown subsys name 'net' [ 53.879279] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 65.428928] audit: type=1400 audit(1684246772.566:6): 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 executing program [ 66.567011] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.569021] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.570386] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.572848] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.574520] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.575607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.969168] ------------[ cut here ]------------ [ 66.969866] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.971647] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.972731] Modules linked in: [ 66.973184] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.978244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.979432] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.980089] 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 [ 66.982448] RSP: 0018:ffff88800fe37c00 EFLAGS: 00010282 [ 66.983102] RAX: 0000000000000000 RBX: ffff888015ecd040 RCX: 0000000000000000 [ 66.983998] RDX: ffff888015a451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.984912] RBP: ffff888015ecd054 R08: 0000000000000001 R09: 0000000000000000 [ 66.985807] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.986699] R13: ffffffff84e223a0 R14: ffff888015ecd048 R15: ffffffff84d73340 [ 66.987596] FS: 0000555555766400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.988601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.989370] CR2: 00007f5ec7c6e6f4 CR3: 000000000d6da000 CR4: 0000000000350ef0 [ 66.990259] Call Trace: [ 66.990589] [ 66.990882] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.991539] ipv4_frags_init_net+0x269/0x440 [ 66.992097] ops_init+0xbb/0x6b0 [ 66.992576] setup_net+0x3d9/0x990 [ 66.993077] ? down_read_killable+0x1d7/0x4e0 [ 66.993684] ? __pfx_setup_net+0x10/0x10 [ 66.994225] ? copy_net_ns+0x17c/0x770 [ 66.994730] copy_net_ns+0x321/0x770 [ 66.995235] create_new_namespaces+0x3f6/0xb30 [ 66.995829] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.996474] ksys_unshare+0x44d/0x8e0 [ 66.996983] ? __pfx_ksys_unshare+0x10/0x10 [ 66.997563] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.998302] __x64_sys_unshare+0x31/0x40 [ 66.998820] do_syscall_64+0x3f/0x90 [ 66.999328] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.999965] RIP: 0033:0x7f01d2fb70d7 [ 67.000463] 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 [ 67.002705] RSP: 002b:00007ffcef12df48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 67.003662] RAX: ffffffffffffffda RBX: 00007ffcef12e588 RCX: 00007f01d2fb70d7 [ 67.004546] RDX: 00007f01d302141f RSI: 00007ffcef12dee0 RDI: 0000000040000000 [ 67.005448] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcef12dcf0 [ 67.006334] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f01d30c9bf0 [ 67.007227] R13: 00007ffcef12e020 R14: 0000000000000000 R15: 00000000000000f8 [ 67.008105] [ 67.008439] irq event stamp: 8171 [ 67.008876] hardirqs last enabled at (8181): [] __up_console_sem+0x78/0x80 [ 67.009944] hardirqs last disabled at (8192): [] __up_console_sem+0x5d/0x80 [ 67.011012] softirqs last enabled at (7886): [] irq_exit_rcu+0x93/0xc0 [ 67.012051] softirqs last disabled at (7877): [] irq_exit_rcu+0x93/0xc0 [ 67.013117] ---[ end trace 0000000000000000 ]--- [ 67.019110] ------------[ cut here ]------------ [ 67.019759] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 67.021542] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.022597] Modules linked in: [ 67.023019] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 67.024198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.025221] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.025864] 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 [ 67.028037] RSP: 0018:ffff88800fe37c00 EFLAGS: 00010282 [ 67.028750] RAX: 0000000000000000 RBX: ffff888008ef6840 RCX: 0000000000000000 [ 67.029654] RDX: ffff888015a451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 67.030543] RBP: ffff888008ef6854 R08: 0000000000000001 R09: 0000000000000000 [ 67.031452] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.032351] R13: ffffffff84e223a0 R14: ffff888008ef6848 R15: ffffffff84da62e0 [ 67.033274] FS: 0000555555766400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.034282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.034986] CR2: 00007f5ec7c6e6f4 CR3: 000000000d6da000 CR4: 0000000000350ef0 [ 67.035881] Call Trace: [ 67.036242] [ 67.036540] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 67.037203] ipv6_frags_init_net+0x206/0x3c0 [ 67.037763] ops_init+0xbb/0x6b0 [ 67.038232] setup_net+0x3d9/0x990 [ 67.038689] ? down_read_killable+0x1d7/0x4e0 [ 67.039289] ? __pfx_setup_net+0x10/0x10 [ 67.039805] ? copy_net_ns+0x17c/0x770 [ 67.040340] copy_net_ns+0x321/0x770 [ 67.040852] create_new_namespaces+0x3f6/0xb30 [ 67.041477] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.042104] ksys_unshare+0x44d/0x8e0 [ 67.042622] ? __pfx_ksys_unshare+0x10/0x10 [ 67.043201] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.043912] __x64_sys_unshare+0x31/0x40 [ 67.044457] do_syscall_64+0x3f/0x90 [ 67.045253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.046058] RIP: 0033:0x7f01d2fb70d7 [ 67.046672] 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 [ 67.049504] RSP: 002b:00007ffcef12df48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 67.050682] RAX: ffffffffffffffda RBX: 00007ffcef12e588 RCX: 00007f01d2fb70d7 [ 67.051772] RDX: 00007f01d302141f RSI: 00007ffcef12dee0 RDI: 0000000040000000 [ 67.052872] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcef12dcf0 [ 67.053970] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f01d30c9bf0 [ 67.055052] R13: 00007ffcef12e020 R14: 0000000000000000 R15: 00000000000000f8 [ 67.056170] [ 67.056545] irq event stamp: 9839 [ 67.057079] hardirqs last enabled at (9849): [] __up_console_sem+0x78/0x80 [ 67.058419] hardirqs last disabled at (9862): [] __up_console_sem+0x5d/0x80 [ 67.059667] softirqs last enabled at (9744): [] irq_exit_rcu+0x93/0xc0 [ 67.060909] softirqs last disabled at (9739): [] irq_exit_rcu+0x93/0xc0 [ 67.062040] ---[ end trace 0000000000000000 ]--- [ 67.063314] ------------[ cut here ]------------ [ 67.063773] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 67.065379] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.066207] Modules linked in: [ 67.066528] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 67.067441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.068240] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.068756] 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 [ 67.070477] RSP: 0018:ffff88800fe37bf0 EFLAGS: 00010286 [ 67.070989] RAX: 0000000000000000 RBX: ffff888009c39a40 RCX: 0000000000000000 [ 67.071688] RDX: ffff888015a451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 67.072384] RBP: ffff888009c39a54 R08: 0000000000000001 R09: 0000000000000000 [ 67.073067] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.073769] R13: ffffffff84e223a0 R14: ffff888009c39a48 R15: ffffffff84daf020 [ 67.074462] FS: 0000555555766400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.075243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.075799] CR2: 00007f5ec7c6e6f4 CR3: 000000000d6da000 CR4: 0000000000350ef0 [ 67.076501] Call Trace: [ 67.076765] [ 67.077000] nf_ct_net_init+0x224/0x3d0 [ 67.077445] ? __pfx_nf_ct_net_init+0x10/0x10 [ 67.077895] ops_init+0xbb/0x6b0 [ 67.078269] setup_net+0x3d9/0x990 [ 67.078627] ? down_read_killable+0x1d7/0x4e0 [ 67.079082] ? __pfx_setup_net+0x10/0x10 [ 67.079501] ? copy_net_ns+0x17c/0x770 [ 67.079906] copy_net_ns+0x321/0x770 [ 67.080307] create_new_namespaces+0x3f6/0xb30 [ 67.080795] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.081305] ksys_unshare+0x44d/0x8e0 [ 67.081697] ? __pfx_ksys_unshare+0x10/0x10 [ 67.082148] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.082719] __x64_sys_unshare+0x31/0x40 [ 67.083153] do_syscall_64+0x3f/0x90 [ 67.083531] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.084032] RIP: 0033:0x7f01d2fb70d7 [ 67.084417] 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 [ 67.086145] RSP: 002b:00007ffcef12df48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 67.086872] RAX: ffffffffffffffda RBX: 00007ffcef12e588 RCX: 00007f01d2fb70d7 [ 67.087569] RDX: 00007f01d302141f RSI: 00007ffcef12dee0 RDI: 0000000040000000 [ 67.088263] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcef12dcf0 [ 67.088947] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f01d30c9bf0 [ 67.089651] R13: 00007ffcef12e020 R14: 0000000000000000 R15: 00000000000000f8 [ 67.090369] [ 67.090608] irq event stamp: 10611 [ 67.090953] hardirqs last enabled at (10621): [] __up_console_sem+0x78/0x80 [ 67.091801] hardirqs last disabled at (10632): [] __up_console_sem+0x5d/0x80 [ 67.092663] softirqs last enabled at (10334): [] irq_exit_rcu+0x93/0xc0 [ 67.093484] softirqs last disabled at (10329): [] irq_exit_rcu+0x93/0xc0 [ 67.094310] ---[ end trace 0000000000000000 ]--- executing program [ 68.647820] Bluetooth: hci0: command 0x0409 tx timeout [ 70.695201] Bluetooth: hci0: command 0x041b tx timeout executing program [ 72.743244] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.791214] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:19:17 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fe375f0 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 0000555555766400 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=00007f5ec7c6e6f4 CR3=000000000d6da000 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=0000000000055635 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=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=00007fec2e2e61d0 CR3=00000000097bc000 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=2034333a39313a34312036312079614d XMM01=5d3438313337392e36362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000