syzkaller login: [ 33.485552] systemd-udevd (107) used greatest stack depth: 24096 bytes left Warning: Permanently added '[localhost]:18746' (ECDSA) to the list of known hosts. 2023/05/16 14:44:12 fuzzer started 2023/05/16 14:44:12 dialing manager at localhost:35573 2023/05/16 14:44:12 checking machine... 2023/05/16 14:44:12 checking revisions... [ 37.925186] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:44:12 testing simple program... [ 37.998854] cgroup: Unknown subsys name 'net' [ 38.076007] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.873577] audit: type=1400 audit(1684248266.726:6): 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 executing program [ 52.990023] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.992209] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.996413] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.999882] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.001842] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.003046] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.410049] ------------[ cut here ]------------ [ 53.410737] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.412622] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.413701] Modules linked in: [ 53.414112] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.418776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.419790] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.420474] 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 [ 53.422683] RSP: 0018:ffff88801f5efc00 EFLAGS: 00010282 [ 53.423368] RAX: 0000000000000000 RBX: ffff88800e5df840 RCX: 0000000000000000 [ 53.424227] RDX: ffff888015978000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.425111] RBP: ffff88800e5df854 R08: 0000000000000001 R09: 0000000000000000 [ 53.426025] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.426915] R13: ffffffff84e223a0 R14: ffff88800e5df848 R15: ffffffff84d73340 [ 53.427807] FS: 0000555556a25400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.428813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.429553] CR2: 00007f6267cd16f4 CR3: 0000000016a96000 CR4: 0000000000350ef0 [ 53.430478] Call Trace: [ 53.430806] [ 53.431101] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.431744] ipv4_frags_init_net+0x269/0x440 [ 53.432326] ops_init+0xbb/0x6b0 [ 53.432770] setup_net+0x3d9/0x990 [ 53.433222] ? down_read_killable+0x1d7/0x4e0 [ 53.433836] ? __pfx_setup_net+0x10/0x10 [ 53.434370] ? copy_net_ns+0x17c/0x770 [ 53.434881] copy_net_ns+0x321/0x770 [ 53.435393] create_new_namespaces+0x3f6/0xb30 [ 53.435988] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.436636] ksys_unshare+0x44d/0x8e0 [ 53.437129] ? __pfx_ksys_unshare+0x10/0x10 [ 53.437711] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.438452] __x64_sys_unshare+0x31/0x40 [ 53.438969] do_syscall_64+0x3f/0x90 [ 53.439473] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.440115] RIP: 0033:0x7f3660ec10d7 [ 53.440612] 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 [ 53.442818] RSP: 002b:00007ffe787ed7d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.443772] RAX: ffffffffffffffda RBX: 00007ffe787ede18 RCX: 00007f3660ec10d7 [ 53.444661] RDX: 00007f3660f2b41f RSI: 00007ffe787ed770 RDI: 0000000040000000 [ 53.445538] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe787ed580 [ 53.446429] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3660fd3bf0 [ 53.447283] R13: 00007ffe787ed8b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.448208] [ 53.448540] irq event stamp: 9021 [ 53.448971] hardirqs last enabled at (9031): [] __up_console_sem+0x78/0x80 [ 53.450054] hardirqs last disabled at (9042): [] __up_console_sem+0x5d/0x80 [ 53.451125] softirqs last enabled at (8916): [] irq_exit_rcu+0x93/0xc0 [ 53.452169] softirqs last disabled at (8911): [] irq_exit_rcu+0x93/0xc0 [ 53.453200] ---[ end trace 0000000000000000 ]--- [ 53.458854] ------------[ cut here ]------------ [ 53.459471] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.461201] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.462343] Modules linked in: [ 53.462752] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.463918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.464936] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.465621] 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 [ 53.467798] RSP: 0018:ffff88801f5efc00 EFLAGS: 00010282 [ 53.468481] RAX: 0000000000000000 RBX: ffff88800f8f1c40 RCX: 0000000000000000 [ 53.469376] RDX: ffff888015978000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.470260] RBP: ffff88800f8f1c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.471159] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.472054] R13: ffffffff84e223a0 R14: ffff88800f8f1c48 R15: ffffffff84da62e0 [ 53.472948] FS: 0000555556a25400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.473977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.474724] CR2: 00007f6267cd16f4 CR3: 0000000016a96000 CR4: 0000000000350ef0 [ 53.475620] Call Trace: [ 53.475945] [ 53.476247] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.476885] ipv6_frags_init_net+0x206/0x3c0 [ 53.477493] ops_init+0xbb/0x6b0 [ 53.477954] setup_net+0x3d9/0x990 [ 53.478437] ? down_read_killable+0x1d7/0x4e0 [ 53.479006] ? __pfx_setup_net+0x10/0x10 [ 53.479544] ? copy_net_ns+0x17c/0x770 [ 53.480052] copy_net_ns+0x321/0x770 [ 53.480568] create_new_namespaces+0x3f6/0xb30 [ 53.481167] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.481828] ksys_unshare+0x44d/0x8e0 [ 53.482353] ? __pfx_ksys_unshare+0x10/0x10 [ 53.482911] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.483654] __x64_sys_unshare+0x31/0x40 [ 53.484179] do_syscall_64+0x3f/0x90 [ 53.484679] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.485355] RIP: 0033:0x7f3660ec10d7 [ 53.485846] 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 [ 53.488033] RSP: 002b:00007ffe787ed7d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.488983] RAX: ffffffffffffffda RBX: 00007ffe787ede18 RCX: 00007f3660ec10d7 [ 53.489883] RDX: 00007f3660f2b41f RSI: 00007ffe787ed770 RDI: 0000000040000000 [ 53.490775] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe787ed580 [ 53.491674] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3660fd3bf0 [ 53.492567] R13: 00007ffe787ed8b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.493474] [ 53.493801] irq event stamp: 10875 [ 53.494242] hardirqs last enabled at (10885): [] __up_console_sem+0x78/0x80 [ 53.495338] hardirqs last disabled at (10896): [] __up_console_sem+0x5d/0x80 [ 53.496426] softirqs last enabled at (10604): [] irq_exit_rcu+0x93/0xc0 [ 53.497467] softirqs last disabled at (10595): [] irq_exit_rcu+0x93/0xc0 [ 53.498517] ---[ end trace 0000000000000000 ]--- [ 53.500086] ------------[ cut here ]------------ [ 53.500708] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.502709] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.503785] Modules linked in: [ 53.504197] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.505373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.506404] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.507048] 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 [ 53.509253] RSP: 0018:ffff88801f5efbf0 EFLAGS: 00010286 [ 53.509939] RAX: 0000000000000000 RBX: ffff88800f8f0240 RCX: 0000000000000000 [ 53.510827] RDX: ffff888015978000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.511717] RBP: ffff88800f8f0254 R08: 0000000000000001 R09: 0000000000000000 [ 53.512599] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.513485] R13: ffffffff84e223a0 R14: ffff88800f8f0248 R15: ffffffff84daf020 [ 53.514391] FS: 0000555556a25400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.515373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.516087] CR2: 00007f6267cd16f4 CR3: 0000000016a96000 CR4: 0000000000350ef0 [ 53.516961] Call Trace: [ 53.517301] [ 53.517637] nf_ct_net_init+0x224/0x3d0 [ 53.518157] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.518763] ops_init+0xbb/0x6b0 [ 53.519214] setup_net+0x3d9/0x990 [ 53.519709] ? down_read_killable+0x1d7/0x4e0 [ 53.520281] ? __pfx_setup_net+0x10/0x10 [ 53.520823] ? copy_net_ns+0x17c/0x770 [ 53.521358] copy_net_ns+0x321/0x770 [ 53.521849] create_new_namespaces+0x3f6/0xb30 [ 53.522463] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.523092] ksys_unshare+0x44d/0x8e0 [ 53.523624] ? __pfx_ksys_unshare+0x10/0x10 [ 53.524179] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.524926] __x64_sys_unshare+0x31/0x40 [ 53.525486] do_syscall_64+0x3f/0x90 [ 53.525982] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.526652] RIP: 0033:0x7f3660ec10d7 [ 53.527126] 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 [ 53.529325] RSP: 002b:00007ffe787ed7d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.530266] RAX: ffffffffffffffda RBX: 00007ffe787ede18 RCX: 00007f3660ec10d7 [ 53.531164] RDX: 00007f3660f2b41f RSI: 00007ffe787ed770 RDI: 0000000040000000 [ 53.532057] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe787ed580 [ 53.532955] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3660fd3bf0 [ 53.533861] R13: 00007ffe787ed8b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.534774] [ 53.535081] irq event stamp: 11673 [ 53.535548] hardirqs last enabled at (11685): [] __up_console_sem+0x78/0x80 [ 53.536622] hardirqs last disabled at (11696): [] __up_console_sem+0x5d/0x80 [ 53.537708] softirqs last enabled at (11186): [] irq_exit_rcu+0x93/0xc0 [ 53.538747] softirqs last disabled at (11181): [] irq_exit_rcu+0x93/0xc0 [ 53.539784] ---[ end trace 0000000000000000 ]--- [ 55.071008] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.117719] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.165386] Bluetooth: hci0: command 0x040f tx timeout [ 61.213443] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:44:27 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f5ef5f0 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 0000555556a25400 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=00007f6267cd16f4 CR3=0000000016a96000 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=0000000000035a5f 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=00007efde51ab390 CR3=000000000d78c000 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=2038323a34343a34312036312079614d XMM01=5d3232363231342e33352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3232363231342e33352020205b XMM07=79732038323a34343a34312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000