syzkaller login: [ 43.748749] sshd (230) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:12360' (ECDSA) to the list of known hosts. 2023/05/17 16:21:51 fuzzer started 2023/05/17 16:21:51 dialing manager at localhost:44319 2023/05/17 16:21:51 checking machine... 2023/05/17 16:21:51 checking revisions... [ 45.035125] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:21:51 testing simple program... [ 45.105181] cgroup: Unknown subsys name 'net' [ 45.193066] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.360817] audit: type=1400 audit(1684340524.141:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.514392] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.517876] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.520378] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.523732] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.526791] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.529350] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.960548] ------------[ cut here ]------------ [ 58.961337] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.963319] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.964609] Modules linked in: [ 58.965064] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.969769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.970818] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.971509] 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 [ 58.973747] RSP: 0018:ffff88801805fc00 EFLAGS: 00010282 [ 58.974442] RAX: 0000000000000000 RBX: ffff88800e185c40 RCX: 0000000000000000 [ 58.975350] RDX: ffff8880198ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.976276] RBP: ffff88800e185c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.977195] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.978116] R13: ffffffff84e23fe0 R14: ffff88800e185c48 R15: ffffffff84d74dc0 [ 58.979042] FS: 0000555556a17400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.980084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.980818] CR2: 00007fb698b3d6f4 CR3: 000000000fe02000 CR4: 0000000000350ee0 [ 58.981717] Call Trace: [ 58.982080] [ 58.982385] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.983047] ipv4_frags_init_net+0x269/0x440 [ 58.983617] ops_init+0xbb/0x6b0 [ 58.984133] setup_net+0x3d9/0x990 [ 58.984596] ? down_read_killable+0x1d7/0x4e0 [ 58.985203] ? __pfx_setup_net+0x10/0x10 [ 58.985726] ? copy_net_ns+0x17c/0x770 [ 58.986281] copy_net_ns+0x321/0x770 [ 58.986763] create_new_namespaces+0x3f6/0xb30 [ 58.987407] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.988080] ksys_unshare+0x44d/0x8e0 [ 58.988574] ? __pfx_ksys_unshare+0x10/0x10 [ 58.989159] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.989881] __x64_sys_unshare+0x31/0x40 [ 58.990434] do_syscall_64+0x3f/0x90 [ 58.990953] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.991616] RIP: 0033:0x7f8122b140d7 [ 58.992145] 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 [ 58.994313] RSP: 002b:00007fff9ed82968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.995248] RAX: ffffffffffffffda RBX: 00007fff9ed82fa8 RCX: 00007f8122b140d7 [ 58.996136] RDX: 00007f8122b7e41f RSI: 00007fff9ed82900 RDI: 0000000040000000 [ 58.997013] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9ed82710 [ 58.997858] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8122c26bf0 [ 58.998732] R13: 00007fff9ed82a40 R14: 0000000000000000 R15: 00000000000000f8 [ 58.999639] [ 58.999990] irq event stamp: 8203 [ 59.000415] hardirqs last enabled at (8213): [] __up_console_sem+0x78/0x80 [ 59.001488] hardirqs last disabled at (8224): [] __up_console_sem+0x5d/0x80 [ 59.002546] softirqs last enabled at (8008): [] irq_exit_rcu+0x93/0xc0 [ 59.003576] softirqs last disabled at (8003): [] irq_exit_rcu+0x93/0xc0 [ 59.004623] ---[ end trace 0000000000000000 ]--- [ 59.010874] ------------[ cut here ]------------ [ 59.011685] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.013918] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.015179] Modules linked in: [ 59.015664] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.017053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.018265] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.019067] 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 [ 59.021656] RSP: 0018:ffff88801805fc00 EFLAGS: 00010282 [ 59.022463] RAX: 0000000000000000 RBX: ffff88800eb59840 RCX: 0000000000000000 [ 59.023521] RDX: ffff8880198ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.024611] RBP: ffff88800eb59854 R08: 0000000000000001 R09: 0000000000000000 [ 59.025665] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.026712] R13: ffffffff84e23fe0 R14: ffff88800eb59848 R15: ffffffff84da7d60 [ 59.027766] FS: 0000555556a17400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.028941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.029790] CR2: 00007fb698b3d6f4 CR3: 000000000fe02000 CR4: 0000000000350ee0 [ 59.030829] Call Trace: [ 59.031242] [ 59.031587] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.032348] ipv6_frags_init_net+0x206/0x3c0 [ 59.033030] ops_init+0xbb/0x6b0 [ 59.033553] setup_net+0x3d9/0x990 [ 59.034124] ? down_read_killable+0x1d7/0x4e0 [ 59.034792] ? __pfx_setup_net+0x10/0x10 [ 59.035428] ? copy_net_ns+0x17c/0x770 [ 59.036067] copy_net_ns+0x321/0x770 [ 59.036629] create_new_namespaces+0x3f6/0xb30 [ 59.037348] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.038100] ksys_unshare+0x44d/0x8e0 [ 59.038678] ? __pfx_ksys_unshare+0x10/0x10 [ 59.039341] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.040217] __x64_sys_unshare+0x31/0x40 [ 59.040815] do_syscall_64+0x3f/0x90 [ 59.041405] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.042190] RIP: 0033:0x7f8122b140d7 [ 59.042725] 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 [ 59.045255] RSP: 002b:00007fff9ed82968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.046351] RAX: ffffffffffffffda RBX: 00007fff9ed82fa8 RCX: 00007f8122b140d7 [ 59.047385] RDX: 00007f8122b7e41f RSI: 00007fff9ed82900 RDI: 0000000040000000 [ 59.048419] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9ed82710 [ 59.049435] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8122c26bf0 [ 59.050470] R13: 00007fff9ed82a40 R14: 0000000000000000 R15: 00000000000000f8 [ 59.051532] [ 59.051918] irq event stamp: 10323 [ 59.052426] hardirqs last enabled at (10333): [] __up_console_sem+0x78/0x80 [ 59.053651] hardirqs last disabled at (10344): [] __up_console_sem+0x5d/0x80 [ 59.054880] softirqs last enabled at (10294): [] irq_exit_rcu+0x93/0xc0 [ 59.056113] softirqs last disabled at (10289): [] irq_exit_rcu+0x93/0xc0 [ 59.057305] ---[ end trace 0000000000000000 ]--- [ 59.058941] ------------[ cut here ]------------ [ 59.059610] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.061825] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.063075] Modules linked in: [ 59.063541] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.064843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.065946] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.066644] 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 [ 59.069006] RSP: 0018:ffff88801805fbf0 EFLAGS: 00010286 [ 59.069708] RAX: 0000000000000000 RBX: ffff88800eb59240 RCX: 0000000000000000 [ 59.070673] RDX: ffff8880198ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.071640] RBP: ffff88800eb59254 R08: 0000000000000001 R09: 0000000000000000 [ 59.072621] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.073583] R13: ffffffff84e23fe0 R14: ffff88800eb59248 R15: ffffffff84db0aa0 [ 59.074553] FS: 0000555556a17400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.075634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.076499] CR2: 00007fb698b3d6f4 CR3: 000000000fe02000 CR4: 0000000000350ee0 [ 59.077511] Call Trace: [ 59.077915] [ 59.078262] nf_ct_net_init+0x224/0x3d0 [ 59.078849] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.079531] ops_init+0xbb/0x6b0 [ 59.080072] setup_net+0x3d9/0x990 [ 59.080592] ? down_read_killable+0x1d7/0x4e0 [ 59.081261] ? __pfx_setup_net+0x10/0x10 [ 59.081837] ? copy_net_ns+0x17c/0x770 [ 59.082439] copy_net_ns+0x321/0x770 [ 59.083017] create_new_namespaces+0x3f6/0xb30 [ 59.083675] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.084418] ksys_unshare+0x44d/0x8e0 [ 59.085001] ? __pfx_ksys_unshare+0x10/0x10 [ 59.085618] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.086448] __x64_sys_unshare+0x31/0x40 [ 59.087054] do_syscall_64+0x3f/0x90 [ 59.087593] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.088355] RIP: 0033:0x7f8122b140d7 [ 59.088882] 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 [ 59.091337] RSP: 002b:00007fff9ed82968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.092407] RAX: ffffffffffffffda RBX: 00007fff9ed82fa8 RCX: 00007f8122b140d7 [ 59.093406] RDX: 00007f8122b7e41f RSI: 00007fff9ed82900 RDI: 0000000040000000 [ 59.094414] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9ed82710 [ 59.095402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8122c26bf0 [ 59.096420] R13: 00007fff9ed82a40 R14: 0000000000000000 R15: 00000000000000f8 [ 59.097437] [ 59.097779] irq event stamp: 11091 [ 59.098299] hardirqs last enabled at (11103): [] __up_console_sem+0x78/0x80 [ 59.099490] hardirqs last disabled at (11114): [] __up_console_sem+0x5d/0x80 [ 59.100694] softirqs last enabled at (10294): [] irq_exit_rcu+0x93/0xc0 [ 59.101852] softirqs last disabled at (10289): [] irq_exit_rcu+0x93/0xc0 [ 59.103020] ---[ end trace 0000000000000000 ]--- executing program [ 60.596499] Bluetooth: hci0: command 0x0409 tx timeout [ 62.642976] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.691194] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.738953] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:22:05 Registers: info registers vcpu 0 RAX=000000000001e987 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=00007f2e505babd0 CR3=000000000e85e000 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=424f19348222edb5e94f05a3bce9e015 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=c86cb95f0bf6c267000000000013cd68 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=19b11938540e465f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801805f5f0 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 0000555556a17400 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=00007fb698b3d6f4 CR3=000000000fe02000 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