syzkaller login: [ 39.559848] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:43119' (ECDSA) to the list of known hosts. 2023/05/16 18:32:43 fuzzer started 2023/05/16 18:32:44 dialing manager at localhost:35573 2023/05/16 18:32:44 checking machine... 2023/05/16 18:32:44 checking revisions... [ 44.384711] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:32:44 testing simple program... [ 44.452524] cgroup: Unknown subsys name 'net' [ 44.525914] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.115581] audit: type=1400 audit(1684261976.919:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.242352] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.244068] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.246952] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.250307] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.252303] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.253925] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.640490] ------------[ cut here ]------------ [ 58.641272] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.643356] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.644602] Modules linked in: [ 58.645073] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.647316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.649870] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.651235] 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 [ 58.653356] RSP: 0018:ffff88801cba7c00 EFLAGS: 00010282 [ 58.653988] RAX: 0000000000000000 RBX: ffff88800ea44440 RCX: 0000000000000000 [ 58.654817] RDX: ffff88800f5e0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.655653] RBP: ffff88800ea44454 R08: 0000000000000001 R09: 0000000000000000 [ 58.656505] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.657379] R13: ffffffff84e223a0 R14: ffff88800ea44448 R15: ffffffff84d73340 [ 58.658287] FS: 000055555747b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.659279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.659986] CR2: 00007f6449c90880 CR3: 000000001a536000 CR4: 0000000000350ee0 [ 58.660875] Call Trace: [ 58.661228] [ 58.661526] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.662172] ipv4_frags_init_net+0x269/0x440 [ 58.662764] ops_init+0xbb/0x6b0 [ 58.663234] setup_net+0x3d9/0x990 [ 58.663687] ? down_read_killable+0x1d7/0x4e0 [ 58.664278] ? __pfx_setup_net+0x10/0x10 [ 58.664788] ? copy_net_ns+0x17c/0x770 [ 58.665329] copy_net_ns+0x321/0x770 [ 58.665824] create_new_namespaces+0x3f6/0xb30 [ 58.666498] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.667154] ksys_unshare+0x44d/0x8e0 [ 58.667646] ? __pfx_ksys_unshare+0x10/0x10 [ 58.668225] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.668943] __x64_sys_unshare+0x31/0x40 [ 58.669493] do_syscall_64+0x3f/0x90 [ 58.669989] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.670655] RIP: 0033:0x7f36f41d10d7 [ 58.671147] 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 [ 58.673307] RSP: 002b:00007ffcab53f058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.674264] RAX: ffffffffffffffda RBX: 00007ffcab53f698 RCX: 00007f36f41d10d7 [ 58.675155] RDX: 00007f36f423b41f RSI: 00007ffcab53eff0 RDI: 0000000040000000 [ 58.676015] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcab53ee00 [ 58.676896] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f36f42e3bf0 [ 58.677794] R13: 00007ffcab53f130 R14: 0000000000000000 R15: 00000000000000f8 [ 58.678704] [ 58.679003] irq event stamp: 7513 [ 58.679450] hardirqs last enabled at (7525): [] __up_console_sem+0x78/0x80 [ 58.680506] hardirqs last disabled at (7536): [] __up_console_sem+0x5d/0x80 [ 58.681564] softirqs last enabled at (6996): [] irq_exit_rcu+0x93/0xc0 [ 58.682621] softirqs last disabled at (6991): [] irq_exit_rcu+0x93/0xc0 [ 58.683666] ---[ end trace 0000000000000000 ]--- [ 58.689172] ------------[ cut here ]------------ [ 58.689792] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.691476] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.692683] Modules linked in: [ 58.693094] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.694296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.695321] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.695974] 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 [ 58.698175] RSP: 0018:ffff88801cba7c00 EFLAGS: 00010282 [ 58.698835] RAX: 0000000000000000 RBX: ffff8880163fea40 RCX: 0000000000000000 [ 58.699720] RDX: ffff88800f5e0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.700617] RBP: ffff8880163fea54 R08: 0000000000000001 R09: 0000000000000000 [ 58.701507] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.702416] R13: ffffffff84e223a0 R14: ffff8880163fea48 R15: ffffffff84da62e0 [ 58.703305] FS: 000055555747b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.704306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.705018] CR2: 00007f6449c90880 CR3: 000000001a536000 CR4: 0000000000350ee0 [ 58.705937] Call Trace: [ 58.706295] [ 58.706597] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.707243] ipv6_frags_init_net+0x206/0x3c0 [ 58.707803] ops_init+0xbb/0x6b0 [ 58.708279] setup_net+0x3d9/0x990 [ 58.708736] ? down_read_killable+0x1d7/0x4e0 [ 58.709336] ? __pfx_setup_net+0x10/0x10 [ 58.709888] ? copy_net_ns+0x17c/0x770 [ 58.710430] copy_net_ns+0x321/0x770 [ 58.710915] create_new_namespaces+0x3f6/0xb30 [ 58.711537] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.712191] ksys_unshare+0x44d/0x8e0 [ 58.712678] ? __pfx_ksys_unshare+0x10/0x10 [ 58.713250] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.713993] __x64_sys_unshare+0x31/0x40 [ 58.714548] do_syscall_64+0x3f/0x90 [ 58.715032] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.715698] RIP: 0033:0x7f36f41d10d7 [ 58.716190] 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 [ 58.718391] RSP: 002b:00007ffcab53f058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.719346] RAX: ffffffffffffffda RBX: 00007ffcab53f698 RCX: 00007f36f41d10d7 [ 58.720234] RDX: 00007f36f423b41f RSI: 00007ffcab53eff0 RDI: 0000000040000000 [ 58.721103] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcab53ee00 [ 58.722016] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f36f42e3bf0 [ 58.723152] R13: 00007ffcab53f130 R14: 0000000000000000 R15: 00000000000000f8 [ 58.724046] [ 58.724398] irq event stamp: 9427 [ 58.724830] hardirqs last enabled at (9437): [] __up_console_sem+0x78/0x80 [ 58.725934] hardirqs last disabled at (9448): [] __up_console_sem+0x5d/0x80 [ 58.726996] softirqs last enabled at (9422): [] irq_exit_rcu+0x93/0xc0 [ 58.728031] softirqs last disabled at (9411): [] irq_exit_rcu+0x93/0xc0 [ 58.729064] ---[ end trace 0000000000000000 ]--- [ 58.730433] ------------[ cut here ]------------ [ 58.730988] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.732896] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.733896] Modules linked in: [ 58.734311] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.735386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.736328] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.736930] 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 [ 58.738984] RSP: 0018:ffff88801cba7bf0 EFLAGS: 00010286 [ 58.739624] RAX: 0000000000000000 RBX: ffff888008efba40 RCX: 0000000000000000 [ 58.740456] RDX: ffff88800f5e0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.741282] RBP: ffff888008efba54 R08: 0000000000000001 R09: 0000000000000000 [ 58.742092] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.742916] R13: ffffffff84e223a0 R14: ffff888008efba48 R15: ffffffff84daf020 [ 58.743745] FS: 000055555747b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.744676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.745372] CR2: 00007f6449c90880 CR3: 000000001a536000 CR4: 0000000000350ee0 [ 58.746205] Call Trace: [ 58.746513] [ 58.746796] nf_ct_net_init+0x224/0x3d0 [ 58.747303] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.747840] ops_init+0xbb/0x6b0 [ 58.748286] setup_net+0x3d9/0x990 [ 58.748713] ? down_read_killable+0x1d7/0x4e0 [ 58.749272] ? __pfx_setup_net+0x10/0x10 [ 58.749782] ? copy_net_ns+0x17c/0x770 [ 58.750287] copy_net_ns+0x321/0x770 [ 58.750740] create_new_namespaces+0x3f6/0xb30 [ 58.751509] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.752305] ksys_unshare+0x44d/0x8e0 [ 58.752922] ? __pfx_ksys_unshare+0x10/0x10 [ 58.753639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.754578] __x64_sys_unshare+0x31/0x40 [ 58.755242] do_syscall_64+0x3f/0x90 [ 58.755843] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.756676] RIP: 0033:0x7f36f41d10d7 [ 58.757295] 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 [ 58.760024] RSP: 002b:00007ffcab53f058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.761224] RAX: ffffffffffffffda RBX: 00007ffcab53f698 RCX: 00007f36f41d10d7 [ 58.762361] RDX: 00007f36f423b41f RSI: 00007ffcab53eff0 RDI: 0000000040000000 [ 58.763469] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcab53ee00 [ 58.764578] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f36f42e3bf0 [ 58.765696] R13: 00007ffcab53f130 R14: 0000000000000000 R15: 00000000000000f8 [ 58.766830] [ 58.767242] irq event stamp: 10255 [ 58.767784] hardirqs last enabled at (10265): [] __up_console_sem+0x78/0x80 [ 58.769141] hardirqs last disabled at (10278): [] __up_console_sem+0x5d/0x80 [ 58.770492] softirqs last enabled at (10056): [] irq_exit_rcu+0x93/0xc0 [ 58.771782] softirqs last disabled at (10049): [] irq_exit_rcu+0x93/0xc0 [ 58.773076] ---[ end trace 0000000000000000 ]--- executing program [ 60.322707] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.370407] Bluetooth: hci0: command 0x041b tx timeout [ 64.418215] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.466200] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:32:58 Registers: info registers vcpu 0 RAX=0000000000020419 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=00007f6449c5caf0 CR3=0000000016194000 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=faee8ce147c678a71e4a936612f4bc3b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010d5e0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2e53f3bec55dbb9b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cba75e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 000055555747b400 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=00007f6449c90880 CR3=000000001a536000 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