syzkaller login: [ 36.197798] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:37063' (ECDSA) to the list of known hosts. 2023/05/17 03:43:13 fuzzer started 2023/05/17 03:43:13 dialing manager at localhost:35573 2023/05/17 03:43:13 checking machine... 2023/05/17 03:43:13 checking revisions... [ 37.476878] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:43:14 testing simple program... [ 37.547799] cgroup: Unknown subsys name 'net' [ 37.635033] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.414519] audit: type=1400 audit(1684295006.965:6): 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 [ 51.537205] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.538776] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.541486] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.544670] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.546906] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.548617] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.957563] ------------[ cut here ]------------ [ 51.958470] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.960869] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.962350] Modules linked in: [ 51.962859] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.968352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.969649] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.970466] 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 [ 51.972969] RSP: 0018:ffff888018b8fc00 EFLAGS: 00010282 [ 51.973755] RAX: 0000000000000000 RBX: ffff88800eff4840 RCX: 0000000000000000 [ 51.974780] RDX: ffff88801a0fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.975839] RBP: ffff88800eff4854 R08: 0000000000000001 R09: 0000000000000000 [ 51.976900] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.977966] R13: ffffffff84e223a0 R14: ffff88800eff4848 R15: ffffffff84d73340 [ 51.979065] FS: 0000555556b96400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.980246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.981110] CR2: 00007f466f7c1368 CR3: 0000000015d9e000 CR4: 0000000000350ef0 [ 51.982196] Call Trace: [ 51.982585] [ 51.982937] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.983694] ipv4_frags_init_net+0x269/0x440 [ 51.984383] ops_init+0xbb/0x6b0 [ 51.984908] setup_net+0x3d9/0x990 [ 51.985475] ? down_read_killable+0x1d7/0x4e0 [ 51.986199] ? __pfx_setup_net+0x10/0x10 [ 51.986798] ? copy_net_ns+0x17c/0x770 [ 51.987429] copy_net_ns+0x321/0x770 [ 51.988024] create_new_namespaces+0x3f6/0xb30 [ 51.988715] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.989481] ksys_unshare+0x44d/0x8e0 [ 51.990093] ? __pfx_ksys_unshare+0x10/0x10 [ 51.990749] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.991634] __x64_sys_unshare+0x31/0x40 [ 51.992279] do_syscall_64+0x3f/0x90 [ 51.992827] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.993627] RIP: 0033:0x7f1f3114e0d7 [ 51.994228] 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 [ 51.996762] RSP: 002b:00007ffe0dbf7898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.997869] RAX: ffffffffffffffda RBX: 00007ffe0dbf7ed8 RCX: 00007f1f3114e0d7 [ 51.998922] RDX: 00007f1f311b841f RSI: 00007ffe0dbf7830 RDI: 0000000040000000 [ 51.999957] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0dbf7640 [ 52.000981] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f31260bf0 [ 52.002024] R13: 00007ffe0dbf7970 R14: 0000000000000000 R15: 00000000000000f8 [ 52.003101] [ 52.003447] irq event stamp: 8519 [ 52.003934] hardirqs last enabled at (8529): [] __up_console_sem+0x78/0x80 [ 52.005198] hardirqs last disabled at (8542): [] __up_console_sem+0x5d/0x80 [ 52.006463] softirqs last enabled at (8068): [] irq_exit_rcu+0x93/0xc0 [ 52.007654] softirqs last disabled at (8057): [] irq_exit_rcu+0x93/0xc0 [ 52.008854] ---[ end trace 0000000000000000 ]--- [ 52.018370] ------------[ cut here ]------------ [ 52.019052] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.020811] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.022041] Modules linked in: [ 52.022472] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.023739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.024859] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.025621] 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 [ 52.027926] RSP: 0018:ffff888018b8fc00 EFLAGS: 00010282 [ 52.028709] RAX: 0000000000000000 RBX: ffff88800c54f240 RCX: 0000000000000000 [ 52.029696] RDX: ffff88801a0fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.030677] RBP: ffff88800c54f254 R08: 0000000000000001 R09: 0000000000000000 [ 52.031644] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.032624] R13: ffffffff84e223a0 R14: ffff88800c54f248 R15: ffffffff84da62e0 [ 52.033595] FS: 0000555556b96400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.034685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.035506] CR2: 00007f81c38001b0 CR3: 0000000015d9e000 CR4: 0000000000350ee0 [ 52.036431] Call Trace: [ 52.036757] [ 52.037090] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.037698] ipv6_frags_init_net+0x206/0x3c0 [ 52.038306] ops_init+0xbb/0x6b0 [ 52.038749] setup_net+0x3d9/0x990 [ 52.039240] ? down_read_killable+0x1d7/0x4e0 [ 52.039810] ? __pfx_setup_net+0x10/0x10 [ 52.040352] ? copy_net_ns+0x17c/0x770 [ 52.040856] copy_net_ns+0x321/0x770 [ 52.041369] create_new_namespaces+0x3f6/0xb30 [ 52.041963] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.042632] ksys_unshare+0x44d/0x8e0 [ 52.043160] ? __pfx_ksys_unshare+0x10/0x10 [ 52.043705] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.044449] __x64_sys_unshare+0x31/0x40 [ 52.044970] do_syscall_64+0x3f/0x90 [ 52.045482] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.046152] RIP: 0033:0x7f1f3114e0d7 [ 52.046642] 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 [ 52.048809] RSP: 002b:00007ffe0dbf7898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.049755] RAX: ffffffffffffffda RBX: 00007ffe0dbf7ed8 RCX: 00007f1f3114e0d7 [ 52.050655] RDX: 00007f1f311b841f RSI: 00007ffe0dbf7830 RDI: 0000000040000000 [ 52.051539] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0dbf7640 [ 52.052434] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f31260bf0 [ 52.053326] R13: 00007ffe0dbf7970 R14: 0000000000000000 R15: 00000000000000f8 [ 52.054277] [ 52.054596] irq event stamp: 11769 [ 52.055089] hardirqs last enabled at (11781): [] __up_console_sem+0x78/0x80 [ 52.056152] hardirqs last disabled at (11792): [] __up_console_sem+0x5d/0x80 [ 52.057227] softirqs last enabled at (11542): [] irq_exit_rcu+0x93/0xc0 [ 52.058281] softirqs last disabled at (11537): [] irq_exit_rcu+0x93/0xc0 [ 52.059331] ---[ end trace 0000000000000000 ]--- [ 52.060698] ------------[ cut here ]------------ [ 52.061322] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.063230] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.064287] Modules linked in: [ 52.064690] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.065843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.066871] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.067537] 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 [ 52.069695] RSP: 0018:ffff888018b8fbf0 EFLAGS: 00010286 [ 52.070395] RAX: 0000000000000000 RBX: ffff88800c54f840 RCX: 0000000000000000 [ 52.071278] RDX: ffff88801a0fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.072170] RBP: ffff88800c54f854 R08: 0000000000000001 R09: 0000000000000000 [ 52.073056] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.073914] R13: ffffffff84e223a0 R14: ffff88800c54f848 R15: ffffffff84daf020 [ 52.074840] FS: 0000555556b96400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.075833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.076584] CR2: 00007f81c38001b0 CR3: 0000000015d9e000 CR4: 0000000000350ee0 [ 52.077461] Call Trace: [ 52.077786] [ 52.078114] nf_ct_net_init+0x224/0x3d0 [ 52.078636] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.079234] ops_init+0xbb/0x6b0 [ 52.079679] setup_net+0x3d9/0x990 [ 52.080172] ? down_read_killable+0x1d7/0x4e0 [ 52.080737] ? __pfx_setup_net+0x10/0x10 [ 52.081266] ? copy_net_ns+0x17c/0x770 [ 52.081771] copy_net_ns+0x321/0x770 [ 52.082290] create_new_namespaces+0x3f6/0xb30 [ 52.082870] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.083517] ksys_unshare+0x44d/0x8e0 [ 52.084035] ? __pfx_ksys_unshare+0x10/0x10 [ 52.084577] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.085326] __x64_sys_unshare+0x31/0x40 [ 52.085839] do_syscall_64+0x3f/0x90 [ 52.086375] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.087042] RIP: 0033:0x7f1f3114e0d7 [ 52.087501] 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 [ 52.089636] RSP: 002b:00007ffe0dbf7898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.090585] RAX: ffffffffffffffda RBX: 00007ffe0dbf7ed8 RCX: 00007f1f3114e0d7 [ 52.091477] RDX: 00007f1f311b841f RSI: 00007ffe0dbf7830 RDI: 0000000040000000 [ 52.092355] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0dbf7640 [ 52.093246] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f31260bf0 [ 52.094126] R13: 00007ffe0dbf7970 R14: 0000000000000000 R15: 00000000000000f8 [ 52.095067] [ 52.095371] irq event stamp: 12559 [ 52.095804] hardirqs last enabled at (12569): [] __up_console_sem+0x78/0x80 [ 52.096868] hardirqs last disabled at (12580): [] __up_console_sem+0x5d/0x80 [ 52.097953] softirqs last enabled at (12042): [] irq_exit_rcu+0x93/0xc0 [ 52.099030] softirqs last disabled at (12037): [] irq_exit_rcu+0x93/0xc0 [ 52.100080] ---[ end trace 0000000000000000 ]--- executing program [ 53.621593] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.669161] Bluetooth: hci0: command 0x041b tx timeout [ 57.717069] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.765063] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:43:28 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018b8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556b96400 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=00007f466f7c1368 CR3=0000000015d9e000 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=00000000000372af 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=00007f81c37ee610 CR3=0000000015b52000 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=2038323a33343a33302037312079614d XMM01=5d3936383036392e31352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3936383036392e31352020205b XMM07=79732038323a33343a33302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000