syzkaller login: [ 36.769665] sshd (213) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:53859' (ECDSA) to the list of known hosts. 2023/05/17 17:28:30 fuzzer started 2023/05/17 17:28:30 dialing manager at localhost:44319 2023/05/17 17:28:30 checking machine... 2023/05/17 17:28:30 checking revisions... [ 40.836346] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:28:30 testing simple program... [ 40.918048] cgroup: Unknown subsys name 'net' [ 40.981528] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.418778] audit: type=1400 audit(1684344522.335:6): 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 executing program [ 53.534311] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.536707] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.538357] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.541566] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.543333] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.544629] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.931217] ------------[ cut here ]------------ [ 53.932367] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.934506] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.935759] Modules linked in: [ 53.936273] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.941369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.942702] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.943500] 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 [ 53.946112] RSP: 0018:ffff88802036fc00 EFLAGS: 00010282 [ 53.946935] RAX: 0000000000000000 RBX: ffff88800efbec40 RCX: 0000000000000000 [ 53.947996] RDX: ffff88800fe3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.949034] RBP: ffff88800efbec54 R08: 0000000000000001 R09: 0000000000000000 [ 53.950062] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.951079] R13: ffffffff84e23fe0 R14: ffff88800efbec48 R15: ffffffff84d74dc0 [ 53.952075] FS: 0000555555ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.953235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.954079] CR2: 00007ffd3c2a7000 CR3: 0000000020398000 CR4: 0000000000350ee0 [ 53.955087] Call Trace: [ 53.955454] [ 53.955792] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.956524] ipv4_frags_init_net+0x269/0x440 [ 53.957196] ops_init+0xbb/0x6b0 [ 53.957703] setup_net+0x3d9/0x990 [ 53.958253] ? down_read_killable+0x1d7/0x4e0 [ 53.958930] ? __pfx_setup_net+0x10/0x10 [ 53.959501] ? copy_net_ns+0x17c/0x770 [ 53.960109] copy_net_ns+0x321/0x770 [ 53.960657] create_new_namespaces+0x3f6/0xb30 [ 53.961363] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.962093] ksys_unshare+0x44d/0x8e0 [ 53.962648] ? __pfx_ksys_unshare+0x10/0x10 [ 53.963290] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.964128] __x64_sys_unshare+0x31/0x40 [ 53.964713] do_syscall_64+0x3f/0x90 [ 53.965312] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.966060] RIP: 0033:0x7fcdbee220d7 [ 53.966581] 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 [ 53.968994] RSP: 002b:00007ffd5cbf0ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.970062] RAX: ffffffffffffffda RBX: 00007ffd5cbf1328 RCX: 00007fcdbee220d7 [ 53.971058] RDX: 00007fcdbee8c41f RSI: 00007ffd5cbf0c80 RDI: 0000000040000000 [ 53.972034] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5cbf0a90 [ 53.973026] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdbef34bf0 [ 53.974033] R13: 00007ffd5cbf0dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.975048] [ 53.975381] irq event stamp: 7647 [ 53.975888] hardirqs last enabled at (7659): [] __up_console_sem+0x78/0x80 [ 53.977098] hardirqs last disabled at (7670): [] __up_console_sem+0x5d/0x80 [ 53.978292] softirqs last enabled at (7192): [] irq_exit_rcu+0x93/0xc0 [ 53.979434] softirqs last disabled at (7153): [] irq_exit_rcu+0x93/0xc0 [ 53.980588] ---[ end trace 0000000000000000 ]--- [ 53.986676] ------------[ cut here ]------------ [ 53.987366] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.989556] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.990732] Modules linked in: [ 53.991234] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.992552] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.993720] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.994484] 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 [ 53.996952] RSP: 0018:ffff88802036fc00 EFLAGS: 00010282 [ 53.997688] RAX: 0000000000000000 RBX: ffff888008ef1840 RCX: 0000000000000000 [ 53.998699] RDX: ffff88800fe3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.999699] RBP: ffff888008ef1854 R08: 0000000000000001 R09: 0000000000000000 [ 54.000710] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.001745] R13: ffffffff84e23fe0 R14: ffff888008ef1848 R15: ffffffff84da7d60 [ 54.002753] FS: 0000555555ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.003886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.004694] CR2: 00007ffd3c2a7000 CR3: 0000000020398000 CR4: 0000000000350ee0 [ 54.005712] Call Trace: [ 54.006101] [ 54.006439] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.007166] ipv6_frags_init_net+0x206/0x3c0 [ 54.007797] ops_init+0xbb/0x6b0 [ 54.008337] setup_net+0x3d9/0x990 [ 54.008888] ? down_read_killable+0x1d7/0x4e0 [ 54.009527] ? __pfx_setup_net+0x10/0x10 [ 54.010119] ? copy_net_ns+0x17c/0x770 [ 54.010690] copy_net_ns+0x321/0x770 [ 54.011266] create_new_namespaces+0x3f6/0xb30 [ 54.011952] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.012637] ksys_unshare+0x44d/0x8e0 [ 54.013249] ? __pfx_ksys_unshare+0x10/0x10 [ 54.013893] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.014695] __x64_sys_unshare+0x31/0x40 [ 54.015311] do_syscall_64+0x3f/0x90 [ 54.015878] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.016596] RIP: 0033:0x7fcdbee220d7 [ 54.017165] 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 [ 54.019594] RSP: 002b:00007ffd5cbf0ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.020654] RAX: ffffffffffffffda RBX: 00007ffd5cbf1328 RCX: 00007fcdbee220d7 [ 54.021646] RDX: 00007fcdbee8c41f RSI: 00007ffd5cbf0c80 RDI: 0000000040000000 [ 54.022650] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5cbf0a90 [ 54.023653] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdbef34bf0 [ 54.024637] R13: 00007ffd5cbf0dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.025653] [ 54.026024] irq event stamp: 9377 [ 54.026496] hardirqs last enabled at (9387): [] __up_console_sem+0x78/0x80 [ 54.027650] hardirqs last disabled at (9398): [] __up_console_sem+0x5d/0x80 [ 54.028795] softirqs last enabled at (8664): [] irq_exit_rcu+0x93/0xc0 [ 54.029934] softirqs last disabled at (8659): [] irq_exit_rcu+0x93/0xc0 [ 54.031045] ---[ end trace 0000000000000000 ]--- [ 54.032523] ------------[ cut here ]------------ [ 54.033262] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.035389] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.036562] Modules linked in: [ 54.037068] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.038366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.039526] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.040274] 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 [ 54.042719] RSP: 0018:ffff88802036fbf0 EFLAGS: 00010286 [ 54.043476] RAX: 0000000000000000 RBX: ffff888008eeb240 RCX: 0000000000000000 [ 54.044464] RDX: ffff88800fe3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.045469] RBP: ffff888008eeb254 R08: 0000000000000001 R09: 0000000000000000 [ 54.046464] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.047446] R13: ffffffff84e23fe0 R14: ffff888008eeb248 R15: ffffffff84db0aa0 [ 54.048431] FS: 0000555555ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.049565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.050380] CR2: 00007ffd3c2a7000 CR3: 0000000020398000 CR4: 0000000000350ee0 [ 54.051359] Call Trace: [ 54.051715] [ 54.052073] nf_ct_net_init+0x224/0x3d0 [ 54.052641] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.053310] ops_init+0xbb/0x6b0 [ 54.053783] setup_net+0x3d9/0x990 [ 54.054296] ? down_read_killable+0x1d7/0x4e0 [ 54.054928] ? __pfx_setup_net+0x10/0x10 [ 54.055484] ? copy_net_ns+0x17c/0x770 [ 54.056078] copy_net_ns+0x321/0x770 [ 54.056602] create_new_namespaces+0x3f6/0xb30 [ 54.057279] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.057984] ksys_unshare+0x44d/0x8e0 [ 54.058524] ? __pfx_ksys_unshare+0x10/0x10 [ 54.059153] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.059967] __x64_sys_unshare+0x31/0x40 [ 54.060528] do_syscall_64+0x3f/0x90 [ 54.061109] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.061814] RIP: 0033:0x7fcdbee220d7 [ 54.062354] 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 [ 54.064727] RSP: 002b:00007ffd5cbf0ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.065767] RAX: ffffffffffffffda RBX: 00007ffd5cbf1328 RCX: 00007fcdbee220d7 [ 54.066740] RDX: 00007fcdbee8c41f RSI: 00007ffd5cbf0c80 RDI: 0000000040000000 [ 54.067715] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5cbf0a90 [ 54.068691] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdbef34bf0 [ 54.069660] R13: 00007ffd5cbf0dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.070659] [ 54.071019] irq event stamp: 10199 [ 54.071492] hardirqs last enabled at (10209): [] __up_console_sem+0x78/0x80 [ 54.072658] hardirqs last disabled at (10220): [] __up_console_sem+0x5d/0x80 [ 54.073827] softirqs last enabled at (9856): [] irq_exit_rcu+0x93/0xc0 [ 54.074964] softirqs last disabled at (9851): [] irq_exit_rcu+0x93/0xc0 [ 54.076119] ---[ end trace 0000000000000000 ]--- [ 55.612492] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.662530] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.707958] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.756020] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:28:36 Registers: info registers vcpu 0 RAX=0000000000023603 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007fa98f040a50 CR3=000000000e528000 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=486223f6f0be0098784a25b6a535caae XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=424293530e972876000000000013ba88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=5eba4e12e8022dde00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802036f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555555ae3400 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=00007ffd3c2a7000 CR3=0000000020398000 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