syzkaller login: [ 36.171899] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:47839' (ECDSA) to the list of known hosts. 2023/05/16 19:57:55 fuzzer started 2023/05/16 19:57:55 dialing manager at localhost:35573 2023/05/16 19:57:55 checking machine... 2023/05/16 19:57:55 checking revisions... [ 37.920715] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:57:55 testing simple program... [ 37.988792] cgroup: Unknown subsys name 'net' [ 38.078362] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.911282] audit: type=1400 audit(1684267087.439:6): 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 [ 51.030540] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.033144] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.034680] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.037432] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.039106] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.040383] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.449025] ------------[ cut here ]------------ [ 51.449818] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.451880] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.453170] Modules linked in: [ 51.453664] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.458566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.459641] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.460347] 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 [ 51.462626] RSP: 0018:ffff88801fc97c00 EFLAGS: 00010282 [ 51.463370] RAX: 0000000000000000 RBX: ffff88800970ec40 RCX: 0000000000000000 [ 51.464288] RDX: ffff88801cde3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.465205] RBP: ffff88800970ec54 R08: 0000000000000001 R09: 0000000000000000 [ 51.466130] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.467070] R13: ffffffff84e223a0 R14: ffff88800970ec48 R15: ffffffff84d73340 [ 51.467995] FS: 0000555556fd4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.469029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.469768] CR2: 00007faa67cb4c88 CR3: 00000000202a0000 CR4: 0000000000350ef0 [ 51.470690] Call Trace: [ 51.471074] [ 51.471387] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.472052] ipv4_frags_init_net+0x269/0x440 [ 51.472637] ops_init+0xbb/0x6b0 [ 51.473131] setup_net+0x3d9/0x990 [ 51.473606] ? down_read_killable+0x1d7/0x4e0 [ 51.474224] ? __pfx_setup_net+0x10/0x10 [ 51.474773] ? copy_net_ns+0x17c/0x770 [ 51.475329] copy_net_ns+0x321/0x770 [ 51.475828] create_new_namespaces+0x3f6/0xb30 [ 51.476467] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.477147] ksys_unshare+0x44d/0x8e0 [ 51.477667] ? __pfx_ksys_unshare+0x10/0x10 [ 51.478264] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.479072] __x64_sys_unshare+0x31/0x40 [ 51.479612] do_syscall_64+0x3f/0x90 [ 51.480129] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.480792] RIP: 0033:0x7ff2f2ff10d7 [ 51.481300] 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 [ 51.483558] RSP: 002b:00007ffe8958fac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.484550] RAX: ffffffffffffffda RBX: 00007ffe89590108 RCX: 00007ff2f2ff10d7 [ 51.485487] RDX: 00007ff2f305b41f RSI: 00007ffe8958fa60 RDI: 0000000040000000 [ 51.486408] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8958f870 [ 51.487343] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff2f3103bf0 [ 51.488256] R13: 00007ffe8958fba0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.489201] [ 51.489517] irq event stamp: 7809 [ 51.489984] hardirqs last enabled at (7821): [] __up_console_sem+0x78/0x80 [ 51.491104] hardirqs last disabled at (7832): [] __up_console_sem+0x5d/0x80 [ 51.492205] softirqs last enabled at (7734): [] irq_exit_rcu+0x93/0xc0 [ 51.493271] softirqs last disabled at (7729): [] irq_exit_rcu+0x93/0xc0 [ 51.494339] ---[ end trace 0000000000000000 ]--- [ 51.500216] ------------[ cut here ]------------ [ 51.500835] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.502622] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.503755] Modules linked in: [ 51.504214] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.505439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.506495] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.507210] 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 [ 51.509465] RSP: 0018:ffff88801fc97c00 EFLAGS: 00010282 [ 51.510173] RAX: 0000000000000000 RBX: ffff888009716840 RCX: 0000000000000000 [ 51.511118] RDX: ffff88801cde3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.512037] RBP: ffff888009716854 R08: 0000000000000001 R09: 0000000000000000 [ 51.512925] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.513856] R13: ffffffff84e223a0 R14: ffff888009716848 R15: ffffffff84da62e0 [ 51.514805] FS: 0000555556fd4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.515860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.516638] CR2: 00007faa67cb4c88 CR3: 00000000202a0000 CR4: 0000000000350ef0 [ 51.517569] Call Trace: [ 51.517906] [ 51.518245] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.518891] ipv6_frags_init_net+0x206/0x3c0 [ 51.519498] ops_init+0xbb/0x6b0 [ 51.519983] setup_net+0x3d9/0x990 [ 51.520456] ? down_read_killable+0x1d7/0x4e0 [ 51.521073] ? __pfx_setup_net+0x10/0x10 [ 51.521599] ? copy_net_ns+0x17c/0x770 [ 51.522155] copy_net_ns+0x321/0x770 [ 51.522652] create_new_namespaces+0x3f6/0xb30 [ 51.523320] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.523991] ksys_unshare+0x44d/0x8e0 [ 51.524498] ? __pfx_ksys_unshare+0x10/0x10 [ 51.525092] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.525838] __x64_sys_unshare+0x31/0x40 [ 51.526403] do_syscall_64+0x3f/0x90 [ 51.526907] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.527601] RIP: 0033:0x7ff2f2ff10d7 [ 51.528113] 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 [ 51.530375] RSP: 002b:00007ffe8958fac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.531376] RAX: ffffffffffffffda RBX: 00007ffe89590108 RCX: 00007ff2f2ff10d7 [ 51.532308] RDX: 00007ff2f305b41f RSI: 00007ffe8958fa60 RDI: 0000000040000000 [ 51.533238] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8958f870 [ 51.534161] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff2f3103bf0 [ 51.535113] R13: 00007ffe8958fba0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.536059] [ 51.536368] irq event stamp: 9789 [ 51.536808] hardirqs last enabled at (9799): [] __up_console_sem+0x78/0x80 [ 51.537907] hardirqs last disabled at (9810): [] __up_console_sem+0x5d/0x80 [ 51.539027] softirqs last enabled at (9282): [] irq_exit_rcu+0x93/0xc0 [ 51.540092] softirqs last disabled at (9235): [] irq_exit_rcu+0x93/0xc0 [ 51.541161] ---[ end trace 0000000000000000 ]--- [ 51.542514] ------------[ cut here ]------------ [ 51.543178] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.545165] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.546256] Modules linked in: [ 51.546678] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.547909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.548978] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.549647] 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 [ 51.551921] RSP: 0018:ffff88801fc97bf0 EFLAGS: 00010286 [ 51.552617] RAX: 0000000000000000 RBX: ffff888009717a40 RCX: 0000000000000000 [ 51.553549] RDX: ffff88801cde3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.554476] RBP: ffff888009717a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.555434] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.556360] R13: ffffffff84e223a0 R14: ffff888009717a48 R15: ffffffff84daf020 [ 51.557298] FS: 0000555556fd4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.558333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.559124] CR2: 00007faa67cb4c88 CR3: 00000000202a0000 CR4: 0000000000350ef0 [ 51.560042] Call Trace: [ 51.560381] [ 51.560696] nf_ct_net_init+0x224/0x3d0 [ 51.561259] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.561855] ops_init+0xbb/0x6b0 [ 51.562347] setup_net+0x3d9/0x990 [ 51.562829] ? down_read_killable+0x1d7/0x4e0 [ 51.563454] ? __pfx_setup_net+0x10/0x10 [ 51.564017] ? copy_net_ns+0x17c/0x770 [ 51.564543] copy_net_ns+0x321/0x770 [ 51.565074] create_new_namespaces+0x3f6/0xb30 [ 51.565683] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.566353] ksys_unshare+0x44d/0x8e0 [ 51.566882] ? __pfx_ksys_unshare+0x10/0x10 [ 51.567480] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.568258] __x64_sys_unshare+0x31/0x40 [ 51.568798] do_syscall_64+0x3f/0x90 [ 51.569319] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.570019] RIP: 0033:0x7ff2f2ff10d7 [ 51.570502] 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 [ 51.572804] RSP: 002b:00007ffe8958fac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.573810] RAX: ffffffffffffffda RBX: 00007ffe89590108 RCX: 00007ff2f2ff10d7 [ 51.574762] RDX: 00007ff2f305b41f RSI: 00007ffe8958fa60 RDI: 0000000040000000 [ 51.575692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8958f870 [ 51.576617] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff2f3103bf0 [ 51.577547] R13: 00007ffe8958fba0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.578489] [ 51.578813] irq event stamp: 10557 [ 51.579301] hardirqs last enabled at (10569): [] __up_console_sem+0x78/0x80 [ 51.580420] hardirqs last disabled at (10580): [] __up_console_sem+0x5d/0x80 [ 51.581533] softirqs last enabled at (10094): [] irq_exit_rcu+0x93/0xc0 [ 51.582607] softirqs last disabled at (10089): [] irq_exit_rcu+0x93/0xc0 [ 51.583721] ---[ end trace 0000000000000000 ]--- executing program [ 53.060636] Bluetooth: hci0: command 0x0409 tx timeout [ 55.108632] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.156117] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.205133] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 19:58:06 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fc975f0 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 0000555556fd4400 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=00007faa67cb4c88 CR3=00000000202a0000 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=0000000000030c03 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=00007faa67ba1780 CR3=000000000eb0c000 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=2038303a38353a39312036312079614d XMM01=5d3436363335342e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000