syzkaller login: [ 34.870884] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:53919' (ECDSA) to the list of known hosts. 2023/05/16 12:55:27 fuzzer started 2023/05/16 12:55:27 dialing manager at localhost:35573 2023/05/16 12:55:28 checking machine... 2023/05/16 12:55:28 checking revisions... [ 36.165667] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:55:28 testing simple program... [ 36.230635] cgroup: Unknown subsys name 'net' [ 36.400295] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.262636] audit: type=1400 audit(1684241740.278:6): 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 [ 49.418392] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.421436] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.422588] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.426464] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.429148] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.430376] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.810360] ------------[ cut here ]------------ [ 49.811013] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.813883] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.815121] Modules linked in: [ 49.815541] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.820326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.821490] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.822299] 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 [ 49.824625] RSP: 0018:ffff88801ec2fc00 EFLAGS: 00010282 [ 49.825408] RAX: 0000000000000000 RBX: ffff88800c7ec440 RCX: 0000000000000000 [ 49.826322] RDX: ffff8880166b3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.827221] RBP: ffff88800c7ec454 R08: 0000000000000001 R09: 0000000000000000 [ 49.828123] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.829022] R13: ffffffff84e223a0 R14: ffff88800c7ec448 R15: ffffffff84d73340 [ 49.829961] FS: 0000555555d1a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.830974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.831738] CR2: 00007f0ea4a000a4 CR3: 000000000dba4000 CR4: 0000000000350ef0 [ 49.832609] Call Trace: [ 49.832970] [ 49.833278] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.833929] ipv4_frags_init_net+0x269/0x440 [ 49.834499] ops_init+0xbb/0x6b0 [ 49.834974] setup_net+0x3d9/0x990 [ 49.835429] ? down_read_killable+0x1d7/0x4e0 [ 49.836033] ? __pfx_setup_net+0x10/0x10 [ 49.836542] ? copy_net_ns+0x17c/0x770 [ 49.837088] copy_net_ns+0x321/0x770 [ 49.837585] create_new_namespaces+0x3f6/0xb30 [ 49.838209] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.838878] ksys_unshare+0x44d/0x8e0 [ 49.839380] ? __pfx_ksys_unshare+0x10/0x10 [ 49.839974] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.840727] __x64_sys_unshare+0x31/0x40 [ 49.841250] do_syscall_64+0x3f/0x90 [ 49.841795] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.842449] RIP: 0033:0x7fcaec1180d7 [ 49.842953] 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 [ 49.845147] RSP: 002b:00007fffee10fbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.846113] RAX: ffffffffffffffda RBX: 00007fffee110238 RCX: 00007fcaec1180d7 [ 49.847012] RDX: 00007fcaec18241f RSI: 00007fffee10fb90 RDI: 0000000040000000 [ 49.847911] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffee10f9a0 [ 49.848804] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcaec22abf0 [ 49.849698] R13: 00007fffee10fcd0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.850573] [ 49.850911] irq event stamp: 9711 [ 49.851332] hardirqs last enabled at (9721): [] __up_console_sem+0x78/0x80 [ 49.852402] hardirqs last disabled at (9732): [] __up_console_sem+0x5d/0x80 [ 49.853479] softirqs last enabled at (9290): [] irq_exit_rcu+0x93/0xc0 [ 49.854521] softirqs last disabled at (9243): [] irq_exit_rcu+0x93/0xc0 [ 49.855565] ---[ end trace 0000000000000000 ]--- [ 49.861606] ------------[ cut here ]------------ [ 49.862279] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.863984] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.865034] Modules linked in: [ 49.865459] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.866661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.867705] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.868360] 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 [ 49.870578] RSP: 0018:ffff88801ec2fc00 EFLAGS: 00010282 [ 49.871291] RAX: 0000000000000000 RBX: ffff888013a99e40 RCX: 0000000000000000 [ 49.872207] RDX: ffff8880166b3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.873122] RBP: ffff888013a99e54 R08: 0000000000000001 R09: 0000000000000000 [ 49.874039] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.874954] R13: ffffffff84e223a0 R14: ffff888013a99e48 R15: ffffffff84da62e0 [ 49.875868] FS: 0000555555d1a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.876861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.877579] CR2: 00007f0ea4a000a4 CR3: 000000000dba4000 CR4: 0000000000350ef0 [ 49.878493] Call Trace: [ 49.878860] [ 49.879160] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.879801] ipv6_frags_init_net+0x206/0x3c0 [ 49.880369] ops_init+0xbb/0x6b0 [ 49.880855] setup_net+0x3d9/0x990 [ 49.881337] ? down_read_killable+0x1d7/0x4e0 [ 49.881945] ? __pfx_setup_net+0x10/0x10 [ 49.882450] ? copy_net_ns+0x17c/0x770 [ 49.882994] copy_net_ns+0x321/0x770 [ 49.883479] create_new_namespaces+0x3f6/0xb30 [ 49.884103] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.884752] ksys_unshare+0x44d/0x8e0 [ 49.885250] ? __pfx_ksys_unshare+0x10/0x10 [ 49.885840] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.886567] __x64_sys_unshare+0x31/0x40 [ 49.887118] do_syscall_64+0x3f/0x90 [ 49.887592] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.888277] RIP: 0033:0x7fcaec1180d7 [ 49.888776] 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 [ 49.890973] RSP: 002b:00007fffee10fbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.891936] RAX: ffffffffffffffda RBX: 00007fffee110238 RCX: 00007fcaec1180d7 [ 49.892841] RDX: 00007fcaec18241f RSI: 00007fffee10fb90 RDI: 0000000040000000 [ 49.893744] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffee10f9a0 [ 49.894601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcaec22abf0 [ 49.895487] R13: 00007fffee10fcd0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.896413] [ 49.896749] irq event stamp: 11735 [ 49.897183] hardirqs last enabled at (11745): [] __up_console_sem+0x78/0x80 [ 49.898280] hardirqs last disabled at (11756): [] __up_console_sem+0x5d/0x80 [ 49.899402] softirqs last enabled at (11770): [] irq_exit_rcu+0x93/0xc0 [ 49.900458] softirqs last disabled at (11765): [] irq_exit_rcu+0x93/0xc0 [ 49.901525] ---[ end trace 0000000000000000 ]--- [ 49.903718] ------------[ cut here ]------------ [ 49.904314] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.906203] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.907272] Modules linked in: [ 49.907710] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.908873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.909918] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.910567] 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 [ 49.912752] RSP: 0018:ffff88801ec2fbf0 EFLAGS: 00010286 [ 49.913429] RAX: 0000000000000000 RBX: ffff888013a99840 RCX: 0000000000000000 [ 49.914316] RDX: ffff8880166b3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.915205] RBP: ffff888013a99854 R08: 0000000000000001 R09: 0000000000000000 [ 49.916107] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.916997] R13: ffffffff84e223a0 R14: ffff888013a99848 R15: ffffffff84daf020 [ 49.917917] FS: 0000555555d1a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.918912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.919622] CR2: 00007f0ea4a000a4 CR3: 000000000dba4000 CR4: 0000000000350ef0 [ 49.920525] Call Trace: [ 49.920899] [ 49.921203] nf_ct_net_init+0x224/0x3d0 [ 49.921790] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.922374] ops_init+0xbb/0x6b0 [ 49.922854] setup_net+0x3d9/0x990 [ 49.923306] ? down_read_killable+0x1d7/0x4e0 [ 49.923892] ? __pfx_setup_net+0x10/0x10 [ 49.924358] ? copy_net_ns+0x17c/0x770 [ 49.924854] copy_net_ns+0x321/0x770 [ 49.925342] create_new_namespaces+0x3f6/0xb30 [ 49.925971] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.926588] ksys_unshare+0x44d/0x8e0 [ 49.927112] ? __pfx_ksys_unshare+0x10/0x10 [ 49.927689] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.928402] __x64_sys_unshare+0x31/0x40 [ 49.928951] do_syscall_64+0x3f/0x90 [ 49.929457] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.930129] RIP: 0033:0x7fcaec1180d7 [ 49.930594] 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 [ 49.932770] RSP: 002b:00007fffee10fbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.933732] RAX: ffffffffffffffda RBX: 00007fffee110238 RCX: 00007fcaec1180d7 [ 49.934586] RDX: 00007fcaec18241f RSI: 00007fffee10fb90 RDI: 0000000040000000 [ 49.935473] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffee10f9a0 [ 49.936347] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcaec22abf0 [ 49.937229] R13: 00007fffee10fcd0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.938160] [ 49.938461] irq event stamp: 12573 [ 49.938920] hardirqs last enabled at (12585): [] __up_console_sem+0x78/0x80 [ 49.939988] hardirqs last disabled at (12596): [] __up_console_sem+0x5d/0x80 [ 49.941046] softirqs last enabled at (12294): [] irq_exit_rcu+0x93/0xc0 [ 49.942089] softirqs last disabled at (12289): [] irq_exit_rcu+0x93/0xc0 [ 49.943134] ---[ end trace 0000000000000000 ]--- executing program [ 51.499160] Bluetooth: hci0: command 0x0409 tx timeout [ 53.547274] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.594774] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.642789] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 12:55:41 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ec2f5f0 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 0000555555d1a400 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=00007f0ea4a000a4 CR3=000000000dba4000 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=000000000002a371 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=00007f6009152a00 CR3=00000000090d4000 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=2031343a35353a32312036312079614d XMM01=5d3338383331382e39342020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3338383331382e39342020205b XMM07=79732031343a35353a32312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000