syzkaller login: [ 73.897083] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:63658' (ECDSA) to the list of known hosts. 2023/05/17 00:43:34 fuzzer started 2023/05/17 00:43:34 dialing manager at localhost:35573 2023/05/17 00:43:34 checking machine... 2023/05/17 00:43:34 checking revisions... [ 78.761496] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:43:34 testing simple program... [ 78.832104] cgroup: Unknown subsys name 'net' [ 78.912743] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 91.508254] audit: type=1400 audit(1684284227.460:6): 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 [ 92.623468] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.626710] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.630817] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.633754] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.637110] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 92.638793] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.048829] ------------[ cut here ]------------ [ 93.049604] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 93.051554] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 93.052642] Modules linked in: [ 93.053058] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 93.058041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 93.059237] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 93.060047] 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 [ 93.062229] RSP: 0018:ffff888019dc7c00 EFLAGS: 00010282 [ 93.062936] RAX: 0000000000000000 RBX: ffff88800e6eb040 RCX: 0000000000000000 [ 93.063829] RDX: ffff888015a11b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 93.064707] RBP: ffff88800e6eb054 R08: 0000000000000001 R09: 0000000000000000 [ 93.065597] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 93.066478] R13: ffffffff84e223a0 R14: ffff88800e6eb048 R15: ffffffff84d73340 [ 93.067326] FS: 0000555556a58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 93.068314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.069043] CR2: 00007fc29c3006f4 CR3: 000000000e7be000 CR4: 0000000000350ee0 [ 93.069923] Call Trace: [ 93.070253] [ 93.070650] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 93.071264] ipv4_frags_init_net+0x269/0x440 [ 93.071840] ops_init+0xbb/0x6b0 [ 93.072284] setup_net+0x3d9/0x990 [ 93.072760] ? down_read_killable+0x1d7/0x4e0 [ 93.073314] ? __pfx_setup_net+0x10/0x10 [ 93.073852] ? copy_net_ns+0x17c/0x770 [ 93.074359] copy_net_ns+0x321/0x770 [ 93.074861] create_new_namespaces+0x3f6/0xb30 [ 93.075467] unshare_nsproxy_namespaces+0xc1/0x200 [ 93.076079] ksys_unshare+0x44d/0x8e0 [ 93.076599] ? __pfx_ksys_unshare+0x10/0x10 [ 93.077147] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 93.077877] __x64_sys_unshare+0x31/0x40 [ 93.078399] do_syscall_64+0x3f/0x90 [ 93.078896] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 93.079556] RIP: 0033:0x7fd7678550d7 [ 93.080014] 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 [ 93.082248] RSP: 002b:00007fff88e0a098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 93.083216] RAX: ffffffffffffffda RBX: 00007fff88e0a6d8 RCX: 00007fd7678550d7 [ 93.084108] RDX: 00007fd7678bf41f RSI: 00007fff88e0a030 RDI: 0000000040000000 [ 93.085001] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff88e09e40 [ 93.085901] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd767967bf0 [ 93.086802] R13: 00007fff88e0a170 R14: 0000000000000000 R15: 00000000000000f8 [ 93.087726] [ 93.088024] irq event stamp: 8141 [ 93.088488] hardirqs last enabled at (8153): [] __up_console_sem+0x78/0x80 [ 93.089554] hardirqs last disabled at (8164): [] __up_console_sem+0x5d/0x80 [ 93.090622] softirqs last enabled at (7714): [] irq_exit_rcu+0x93/0xc0 [ 93.091652] softirqs last disabled at (7697): [] irq_exit_rcu+0x93/0xc0 [ 93.092663] ---[ end trace 0000000000000000 ]--- [ 93.097988] ------------[ cut here ]------------ [ 93.098666] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 93.100362] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 93.101681] Modules linked in: [ 93.102242] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 93.103651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 93.104702] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 93.105369] 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 [ 93.107867] RSP: 0018:ffff888019dc7c00 EFLAGS: 00010282 [ 93.108560] RAX: 0000000000000000 RBX: ffff88800d9eea40 RCX: 0000000000000000 [ 93.109441] RDX: ffff888015a11b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 93.110296] RBP: ffff88800d9eea54 R08: 0000000000000001 R09: 0000000000000000 [ 93.111198] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 93.112078] R13: ffffffff84e223a0 R14: ffff88800d9eea48 R15: ffffffff84da62e0 [ 93.112962] FS: 0000555556a58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 93.113952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.114695] CR2: 00007fc29c3006f4 CR3: 000000000e7be000 CR4: 0000000000350ee0 [ 93.115583] Call Trace: [ 93.115905] [ 93.116202] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 93.116847] ipv6_frags_init_net+0x206/0x3c0 [ 93.117398] ops_init+0xbb/0x6b0 [ 93.117870] setup_net+0x3d9/0x990 [ 93.118335] ? down_read_killable+0x1d7/0x4e0 [ 93.118931] ? __pfx_setup_net+0x10/0x10 [ 93.119471] ? copy_net_ns+0x17c/0x770 [ 93.119976] copy_net_ns+0x321/0x770 [ 93.120479] create_new_namespaces+0x3f6/0xb30 [ 93.121064] unshare_nsproxy_namespaces+0xc1/0x200 [ 93.121718] ksys_unshare+0x44d/0x8e0 [ 93.122204] ? __pfx_ksys_unshare+0x10/0x10 [ 93.122841] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 93.123614] __x64_sys_unshare+0x31/0x40 [ 93.124133] do_syscall_64+0x3f/0x90 [ 93.124667] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 93.125339] RIP: 0033:0x7fd7678550d7 [ 93.125838] 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 [ 93.128089] RSP: 002b:00007fff88e0a098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 93.129060] RAX: ffffffffffffffda RBX: 00007fff88e0a6d8 RCX: 00007fd7678550d7 [ 93.129991] RDX: 00007fd7678bf41f RSI: 00007fff88e0a030 RDI: 0000000040000000 [ 93.130949] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff88e09e40 [ 93.131832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd767967bf0 [ 93.132723] R13: 00007fff88e0a170 R14: 0000000000000000 R15: 00000000000000f8 [ 93.133626] [ 93.133925] irq event stamp: 9975 [ 93.134352] hardirqs last enabled at (9985): [] __up_console_sem+0x78/0x80 [ 93.135429] hardirqs last disabled at (9998): [] __up_console_sem+0x5d/0x80 [ 93.136476] softirqs last enabled at (9548): [] irq_exit_rcu+0x93/0xc0 [ 93.137503] softirqs last disabled at (9541): [] irq_exit_rcu+0x93/0xc0 [ 93.138540] ---[ end trace 0000000000000000 ]--- [ 93.139928] ------------[ cut here ]------------ [ 93.140582] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 93.142499] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 93.143554] Modules linked in: [ 93.143953] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 93.145108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 93.146100] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 93.146773] 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 [ 93.148923] RSP: 0018:ffff888019dc7bf0 EFLAGS: 00010286 [ 93.149605] RAX: 0000000000000000 RBX: ffff88800d9efe40 RCX: 0000000000000000 [ 93.150508] RDX: ffff888015a11b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 93.151361] RBP: ffff88800d9efe54 R08: 0000000000000001 R09: 0000000000000000 [ 93.152243] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 93.153121] R13: ffffffff84e223a0 R14: ffff88800d9efe48 R15: ffffffff84daf020 [ 93.154005] FS: 0000555556a58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 93.155028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.155768] CR2: 00007fc29c3006f4 CR3: 000000000e7be000 CR4: 0000000000350ee0 [ 93.156658] Call Trace: [ 93.156982] [ 93.157281] nf_ct_net_init+0x224/0x3d0 [ 93.157818] ? __pfx_nf_ct_net_init+0x10/0x10 [ 93.158397] ops_init+0xbb/0x6b0 [ 93.158874] setup_net+0x3d9/0x990 [ 93.159331] ? down_read_killable+0x1d7/0x4e0 [ 93.159924] ? __pfx_setup_net+0x10/0x10 [ 93.160458] ? copy_net_ns+0x17c/0x770 [ 93.160968] copy_net_ns+0x321/0x770 [ 93.161473] create_new_namespaces+0x3f6/0xb30 [ 93.162058] unshare_nsproxy_namespaces+0xc1/0x200 [ 93.162719] ksys_unshare+0x44d/0x8e0 [ 93.163209] ? __pfx_ksys_unshare+0x10/0x10 [ 93.163787] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 93.164519] __x64_sys_unshare+0x31/0x40 [ 93.165033] do_syscall_64+0x3f/0x90 [ 93.165549] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 93.166190] RIP: 0033:0x7fd7678550d7 [ 93.166687] 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 [ 93.168842] RSP: 002b:00007fff88e0a098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 93.169788] RAX: ffffffffffffffda RBX: 00007fff88e0a6d8 RCX: 00007fd7678550d7 [ 93.170703] RDX: 00007fd7678bf41f RSI: 00007fff88e0a030 RDI: 0000000040000000 [ 93.171593] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff88e09e40 [ 93.172478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd767967bf0 [ 93.173321] R13: 00007fff88e0a170 R14: 0000000000000000 R15: 00000000000000f8 [ 93.174221] [ 93.174557] irq event stamp: 10783 [ 93.174988] hardirqs last enabled at (10793): [] __up_console_sem+0x78/0x80 [ 93.176045] hardirqs last disabled at (10804): [] __up_console_sem+0x5d/0x80 [ 93.177107] softirqs last enabled at (10720): [] irq_exit_rcu+0x93/0xc0 [ 93.178137] softirqs last disabled at (10715): [] irq_exit_rcu+0x93/0xc0 [ 93.179194] ---[ end trace 0000000000000000 ]--- executing program [ 94.706105] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 96.753481] Bluetooth: hci0: command 0x041b tx timeout [ 98.801511] Bluetooth: hci0: command 0x040f tx timeout executing program [ 100.849483] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:43:07 Registers: info registers vcpu 0 RAX=000000000002ae67 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] 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 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=00007f604c70b000 CR3=0000000016108000 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=a2aed927a61cb398f745e39683e12b4e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=9264910512d047a0000000000013eb40 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=98fcc300c19c07d800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019dc75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556a58400 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=00007fc29c3006f4 CR3=000000000e7be000 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=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