syzkaller login: [ 40.277619] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:37358' (ECDSA) to the list of known hosts. 2023/05/16 17:49:59 fuzzer started 2023/05/16 17:49:59 dialing manager at localhost:35573 2023/05/16 17:49:59 checking machine... 2023/05/16 17:49:59 checking revisions... [ 41.509713] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:49:59 testing simple program... [ 41.586231] cgroup: Unknown subsys name 'net' [ 41.672015] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.414845] audit: type=1400 audit(1684259413.406:6): avc: denied { execmem } for pid=257 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 [ 56.562247] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.564825] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.566510] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.569920] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.571733] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.573869] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.982022] ------------[ cut here ]------------ [ 56.982647] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.984350] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.985354] Modules linked in: [ 56.985760] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.987539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.989613] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.990710] 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 [ 56.993182] RSP: 0018:ffff888019d07c00 EFLAGS: 00010282 [ 56.993831] RAX: 0000000000000000 RBX: ffff88800d775440 RCX: 0000000000000000 [ 56.994731] RDX: ffff888017588000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.995642] RBP: ffff88800d775454 R08: 0000000000000001 R09: 0000000000000000 [ 56.996558] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.997449] R13: ffffffff84e223a0 R14: ffff88800d775448 R15: ffffffff84d73340 [ 56.998376] FS: 000055555627b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.999394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.000146] CR2: 00007f61874566f4 CR3: 000000000dbaa000 CR4: 0000000000350ef0 [ 57.001045] Call Trace: [ 57.001374] [ 57.001680] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.002325] ipv4_frags_init_net+0x269/0x440 [ 57.002885] ops_init+0xbb/0x6b0 [ 57.003412] setup_net+0x3d9/0x990 [ 57.003868] ? down_read_killable+0x1d7/0x4e0 [ 57.004472] ? __pfx_setup_net+0x10/0x10 [ 57.005019] ? copy_net_ns+0x17c/0x770 [ 57.005526] copy_net_ns+0x321/0x770 [ 57.006044] create_new_namespaces+0x3f6/0xb30 [ 57.006630] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.007306] ksys_unshare+0x44d/0x8e0 [ 57.007793] ? __pfx_ksys_unshare+0x10/0x10 [ 57.008374] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.009121] __x64_sys_unshare+0x31/0x40 [ 57.009635] do_syscall_64+0x3f/0x90 [ 57.010156] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.010790] RIP: 0033:0x7ff0bda010d7 [ 57.011301] 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 [ 57.013474] RSP: 002b:00007ffc8b6d84b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.014435] RAX: ffffffffffffffda RBX: 00007ffc8b6d8af8 RCX: 00007ff0bda010d7 [ 57.015333] RDX: 00007ff0bda6b41f RSI: 00007ffc8b6d8450 RDI: 0000000040000000 [ 57.016220] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8b6d8260 [ 57.017111] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bdb13bf0 [ 57.018015] R13: 00007ffc8b6d8590 R14: 0000000000000000 R15: 00000000000000f8 [ 57.018891] [ 57.019240] irq event stamp: 10613 [ 57.019673] hardirqs last enabled at (10623): [] __up_console_sem+0x78/0x80 [ 57.020753] hardirqs last disabled at (10634): [] __up_console_sem+0x5d/0x80 [ 57.021832] softirqs last enabled at (10262): [] irq_exit_rcu+0x93/0xc0 [ 57.022895] softirqs last disabled at (10257): [] irq_exit_rcu+0x93/0xc0 [ 57.023955] ---[ end trace 0000000000000000 ]--- [ 57.029248] ------------[ cut here ]------------ [ 57.029844] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.031535] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.032583] Modules linked in: [ 57.033014] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.034155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.035178] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.035823] 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 [ 57.038010] RSP: 0018:ffff888019d07c00 EFLAGS: 00010282 [ 57.038665] RAX: 0000000000000000 RBX: ffff88800961dc40 RCX: 0000000000000000 [ 57.039584] RDX: ffff888017588000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.040469] RBP: ffff88800961dc54 R08: 0000000000000001 R09: 0000000000000000 [ 57.041362] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.042253] R13: ffffffff84e223a0 R14: ffff88800961dc48 R15: ffffffff84da62e0 [ 57.043160] FS: 000055555627b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.044151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.044864] CR2: 00007f61874566f4 CR3: 000000000dbaa000 CR4: 0000000000350ef0 [ 57.045773] Call Trace: [ 57.046133] [ 57.046432] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.047102] ipv6_frags_init_net+0x206/0x3c0 [ 57.047667] ops_init+0xbb/0x6b0 [ 57.048144] setup_net+0x3d9/0x990 [ 57.048601] ? down_read_killable+0x1d7/0x4e0 [ 57.049208] ? __pfx_setup_net+0x10/0x10 [ 57.049712] ? copy_net_ns+0x17c/0x770 [ 57.050250] copy_net_ns+0x321/0x770 [ 57.050727] create_new_namespaces+0x3f6/0xb30 [ 57.051361] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.052015] ksys_unshare+0x44d/0x8e0 [ 57.052507] ? __pfx_ksys_unshare+0x10/0x10 [ 57.053096] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.053807] __x64_sys_unshare+0x31/0x40 [ 57.054356] do_syscall_64+0x3f/0x90 [ 57.054838] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.055515] RIP: 0033:0x7ff0bda010d7 [ 57.056017] 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 [ 57.058209] RSP: 002b:00007ffc8b6d84b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.059187] RAX: ffffffffffffffda RBX: 00007ffc8b6d8af8 RCX: 00007ff0bda010d7 [ 57.060075] RDX: 00007ff0bda6b41f RSI: 00007ffc8b6d8450 RDI: 0000000040000000 [ 57.060972] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8b6d8260 [ 57.061826] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bdb13bf0 [ 57.062725] R13: 00007ffc8b6d8590 R14: 0000000000000000 R15: 00000000000000f8 [ 57.063652] [ 57.063985] irq event stamp: 12213 [ 57.064418] hardirqs last enabled at (12223): [] __up_console_sem+0x78/0x80 [ 57.065492] hardirqs last disabled at (12234): [] __up_console_sem+0x5d/0x80 [ 57.066569] softirqs last enabled at (12164): [] irq_exit_rcu+0x93/0xc0 [ 57.067622] softirqs last disabled at (12159): [] irq_exit_rcu+0x93/0xc0 [ 57.068659] ---[ end trace 0000000000000000 ]--- [ 57.070026] ------------[ cut here ]------------ [ 57.070612] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.072570] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.073648] Modules linked in: [ 57.074096] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.075271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.076279] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.076917] 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 [ 57.079122] RSP: 0018:ffff888019d07bf0 EFLAGS: 00010286 [ 57.079771] RAX: 0000000000000000 RBX: ffff88800961d240 RCX: 0000000000000000 [ 57.080673] RDX: ffff888017588000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.081564] RBP: ffff88800961d254 R08: 0000000000000001 R09: 0000000000000000 [ 57.082452] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.083347] R13: ffffffff84e223a0 R14: ffff88800961d248 R15: ffffffff84daf020 [ 57.084254] FS: 000055555627b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.085247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.085985] CR2: 00007f61874566f4 CR3: 000000000dbaa000 CR4: 0000000000350ef0 [ 57.086838] Call Trace: [ 57.087211] [ 57.087509] nf_ct_net_init+0x224/0x3d0 [ 57.088057] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.088630] ops_init+0xbb/0x6b0 [ 57.089116] setup_net+0x3d9/0x990 [ 57.089572] ? down_read_killable+0x1d7/0x4e0 [ 57.090176] ? __pfx_setup_net+0x10/0x10 [ 57.090683] ? copy_net_ns+0x17c/0x770 [ 57.091242] copy_net_ns+0x321/0x770 [ 57.091723] create_new_namespaces+0x3f6/0xb30 [ 57.092350] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.093022] ksys_unshare+0x44d/0x8e0 [ 57.093514] ? __pfx_ksys_unshare+0x10/0x10 [ 57.094092] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.094796] __x64_sys_unshare+0x31/0x40 [ 57.095369] do_syscall_64+0x3f/0x90 [ 57.095842] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.096527] RIP: 0033:0x7ff0bda010d7 [ 57.097033] 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 [ 57.099233] RSP: 002b:00007ffc8b6d84b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.100178] RAX: ffffffffffffffda RBX: 00007ffc8b6d8af8 RCX: 00007ff0bda010d7 [ 57.101068] RDX: 00007ff0bda6b41f RSI: 00007ffc8b6d8450 RDI: 0000000040000000 [ 57.101922] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8b6d8260 [ 57.102812] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bdb13bf0 [ 57.103705] R13: 00007ffc8b6d8590 R14: 0000000000000000 R15: 00000000000000f8 [ 57.104627] [ 57.104974] irq event stamp: 12989 [ 57.105410] hardirqs last enabled at (12999): [] __up_console_sem+0x78/0x80 [ 57.106483] hardirqs last disabled at (13010): [] __up_console_sem+0x5d/0x80 [ 57.107558] softirqs last enabled at (12484): [] irq_exit_rcu+0x93/0xc0 [ 57.108596] softirqs last disabled at (12455): [] irq_exit_rcu+0x93/0xc0 [ 57.109631] ---[ end trace 0000000000000000 ]--- [ 58.633577] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.681021] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.729041] Bluetooth: hci0: command 0x040f tx timeout [ 64.777105] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:50:09 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019d07618 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 000055555627b400 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=00007f61874566f4 CR3=000000000dbaa000 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=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff81efc3e4 RDX=0000000000000004 RSI=0000000000000004 RDI=0000000000000002 RBP=0000000000000001 RSP=ffff888016447b30 R8 =0000000000000004 R9 =0000000000000004 R10=0000000000000001 R11=0000000000000001 R12=ffff888008ccddd0 R13=0000000000000004 R14=0000000000000001 R15=0000000000000004 RIP=ffffffff814bf253 RFL=00000246 [---Z-P-] 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 00007f4e1b5f7700 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=00007f747a069330 CR3=000000000e9f0000 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=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=2b6c74637379735f74656e5f72657473 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000