syzkaller login: [ 35.277687] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:30514' (ECDSA) to the list of known hosts. 2023/05/16 13:35:19 fuzzer started 2023/05/16 13:35:19 dialing manager at localhost:35573 2023/05/16 13:35:19 checking machine... 2023/05/16 13:35:19 checking revisions... [ 36.541696] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:35:20 testing simple program... [ 36.616058] cgroup: Unknown subsys name 'net' [ 36.678574] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.385864] audit: type=1400 audit(1684244133.872:6): avc: denied { execmem } for pid=256 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 [ 51.482654] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.484151] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.486636] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.495578] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.498663] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.499929] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.905377] ------------[ cut here ]------------ [ 51.906165] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.908858] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.910117] Modules linked in: [ 51.910656] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.915639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.916836] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.917626] 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 [ 51.920189] RSP: 0018:ffff888018f47c00 EFLAGS: 00010282 [ 51.920992] RAX: 0000000000000000 RBX: ffff88800c9a6c40 RCX: 0000000000000000 [ 51.922028] RDX: ffff88800fa33680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.923091] RBP: ffff88800c9a6c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.924149] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.925230] R13: ffffffff84e223a0 R14: ffff88800c9a6c48 R15: ffffffff84d73340 [ 51.926317] FS: 0000555556608400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.927542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.928395] CR2: 00007f3f9b0526f4 CR3: 000000000e428000 CR4: 0000000000350ef0 [ 51.929513] Call Trace: [ 51.929908] [ 51.930264] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.931105] ipv4_frags_init_net+0x269/0x440 [ 51.931710] ops_init+0xbb/0x6b0 [ 51.932160] setup_net+0x3d9/0x990 [ 51.932637] ? down_read_killable+0x1d7/0x4e0 [ 51.933203] ? __pfx_setup_net+0x10/0x10 [ 51.933733] ? copy_net_ns+0x17c/0x770 [ 51.934235] copy_net_ns+0x321/0x770 [ 51.934754] create_new_namespaces+0x3f6/0xb30 [ 51.935346] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.935995] ksys_unshare+0x44d/0x8e0 [ 51.936521] ? __pfx_ksys_unshare+0x10/0x10 [ 51.937070] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.937811] __x64_sys_unshare+0x31/0x40 [ 51.938335] do_syscall_64+0x3f/0x90 [ 51.938865] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.939526] RIP: 0033:0x7f6d027210d7 [ 51.940005] 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 [ 51.942140] RSP: 002b:00007ffdf47f2b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.943096] RAX: ffffffffffffffda RBX: 00007ffdf47f3158 RCX: 00007f6d027210d7 [ 51.943988] RDX: 00007f6d0278b41f RSI: 00007ffdf47f2ab0 RDI: 0000000040000000 [ 51.944879] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf47f28c0 [ 51.945761] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6d02833bf0 [ 51.946668] R13: 00007ffdf47f2bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.947577] [ 51.947882] irq event stamp: 8923 [ 51.948304] hardirqs last enabled at (8933): [] __up_console_sem+0x78/0x80 [ 51.949364] hardirqs last disabled at (8944): [] __up_console_sem+0x5d/0x80 [ 51.950432] softirqs last enabled at (8548): [] irq_exit_rcu+0x93/0xc0 [ 51.951487] softirqs last disabled at (8543): [] irq_exit_rcu+0x93/0xc0 [ 51.952538] ---[ end trace 0000000000000000 ]--- [ 51.959502] ------------[ cut here ]------------ [ 51.960104] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.961892] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.962971] Modules linked in: [ 51.963382] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.964566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.965599] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.966249] 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 [ 51.968457] RSP: 0018:ffff888018f47c00 EFLAGS: 00010282 [ 51.969107] RAX: 0000000000000000 RBX: ffff88800f096840 RCX: 0000000000000000 [ 51.970002] RDX: ffff88800fa33680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.971188] RBP: ffff88800f096854 R08: 0000000000000001 R09: 0000000000000000 [ 51.972291] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.973173] R13: ffffffff84e223a0 R14: ffff88800f096848 R15: ffffffff84da62e0 [ 51.974090] FS: 0000555556608400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.975151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.975929] CR2: 00007f3f9b0526f4 CR3: 000000000e428000 CR4: 0000000000350ef0 [ 51.976837] Call Trace: [ 51.977161] [ 51.977491] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.978104] ipv6_frags_init_net+0x206/0x3c0 [ 51.978703] ops_init+0xbb/0x6b0 [ 51.979170] setup_net+0x3d9/0x990 [ 51.979668] ? down_read_killable+0x1d7/0x4e0 [ 51.980241] ? __pfx_setup_net+0x10/0x10 [ 51.980783] ? copy_net_ns+0x17c/0x770 [ 51.981291] copy_net_ns+0x321/0x770 [ 51.981814] create_new_namespaces+0x3f6/0xb30 [ 51.982403] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.983066] ksys_unshare+0x44d/0x8e0 [ 51.983594] ? __pfx_ksys_unshare+0x10/0x10 [ 51.984136] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.984870] __x64_sys_unshare+0x31/0x40 [ 51.985385] do_syscall_64+0x3f/0x90 [ 51.985886] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.986554] RIP: 0033:0x7f6d027210d7 [ 51.987027] 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 [ 51.989191] RSP: 002b:00007ffdf47f2b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.990129] RAX: ffffffffffffffda RBX: 00007ffdf47f3158 RCX: 00007f6d027210d7 [ 51.991037] RDX: 00007f6d0278b41f RSI: 00007ffdf47f2ab0 RDI: 0000000040000000 [ 51.991917] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf47f28c0 [ 51.992802] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6d02833bf0 [ 51.993685] R13: 00007ffdf47f2bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.994598] [ 51.994917] irq event stamp: 11005 [ 51.995350] hardirqs last enabled at (11015): [] __up_console_sem+0x78/0x80 [ 51.996427] hardirqs last disabled at (11028): [] __up_console_sem+0x5d/0x80 [ 51.997513] softirqs last enabled at (10890): [] irq_exit_rcu+0x93/0xc0 [ 51.998551] softirqs last disabled at (10885): [] irq_exit_rcu+0x93/0xc0 [ 51.999592] ---[ end trace 0000000000000000 ]--- [ 52.000918] ------------[ cut here ]------------ [ 52.001553] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.003491] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.004555] Modules linked in: [ 52.004956] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.006156] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.007205] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.007891] 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 [ 52.010088] RSP: 0018:ffff888018f47bf0 EFLAGS: 00010286 [ 52.010783] RAX: 0000000000000000 RBX: ffff88800f096040 RCX: 0000000000000000 [ 52.011677] RDX: ffff88800fa33680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.012576] RBP: ffff88800f096054 R08: 0000000000000001 R09: 0000000000000000 [ 52.013463] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.014317] R13: ffffffff84e223a0 R14: ffff88800f096048 R15: ffffffff84daf020 [ 52.015211] FS: 0000555556608400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.016201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.016948] CR2: 00007f3f9b0526f4 CR3: 000000000e428000 CR4: 0000000000350ef0 [ 52.017848] Call Trace: [ 52.018173] [ 52.018508] nf_ct_net_init+0x224/0x3d0 [ 52.019039] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.019640] ops_init+0xbb/0x6b0 [ 52.020081] setup_net+0x3d9/0x990 [ 52.020561] ? down_read_killable+0x1d7/0x4e0 [ 52.021120] ? __pfx_setup_net+0x10/0x10 [ 52.021656] ? copy_net_ns+0x17c/0x770 [ 52.022160] copy_net_ns+0x321/0x770 [ 52.022684] create_new_namespaces+0x3f6/0xb30 [ 52.023268] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.023912] ksys_unshare+0x44d/0x8e0 [ 52.024398] ? __pfx_ksys_unshare+0x10/0x10 [ 52.024973] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.025717] __x64_sys_unshare+0x31/0x40 [ 52.026230] do_syscall_64+0x3f/0x90 [ 52.026744] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.027387] RIP: 0033:0x7f6d027210d7 [ 52.027892] 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 [ 52.030029] RSP: 002b:00007ffdf47f2b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.030992] RAX: ffffffffffffffda RBX: 00007ffdf47f3158 RCX: 00007f6d027210d7 [ 52.031869] RDX: 00007f6d0278b41f RSI: 00007ffdf47f2ab0 RDI: 0000000040000000 [ 52.032748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf47f28c0 [ 52.033634] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6d02833bf0 [ 52.034506] R13: 00007ffdf47f2bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.035388] [ 52.035731] irq event stamp: 11775 [ 52.036179] hardirqs last enabled at (11785): [] __up_console_sem+0x78/0x80 [ 52.037237] hardirqs last disabled at (11796): [] __up_console_sem+0x5d/0x80 [ 52.038320] softirqs last enabled at (11256): [] irq_exit_rcu+0x93/0xc0 [ 52.039378] softirqs last disabled at (11245): [] irq_exit_rcu+0x93/0xc0 [ 52.040397] ---[ end trace 0000000000000000 ]--- [ 53.567102] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.615494] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.662478] Bluetooth: hci0: command 0x040f tx timeout [ 59.710542] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:35:35 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018f475f0 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 0000555556608400 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=00007f3f9b0526f4 CR3=000000000e428000 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=000000000002503f 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=00007f53c354c1d0 CR3=000000000eb58000 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=8ce72ec0eba290a77e49ea45d77dd0d7 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f01c61a831dcc783000000000013d2a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=eccba969df39139a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000