syzkaller login: [ 33.861492] sshd (227) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:52992' (ECDSA) to the list of known hosts. 2023/05/18 01:23:45 fuzzer started 2023/05/18 01:23:46 dialing manager at localhost:44319 2023/05/18 01:23:46 checking machine... 2023/05/18 01:23:46 checking revisions... [ 35.105284] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:23:46 testing simple program... [ 35.173237] cgroup: Unknown subsys name 'net' [ 35.254134] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.927019] audit: type=1400 audit(1684373039.338:6): 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 [ 49.043968] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.048508] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.050454] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.054296] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.055897] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.058261] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.458055] ------------[ cut here ]------------ [ 49.458733] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.460717] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.462110] Modules linked in: [ 49.462545] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.464611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.466932] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.468090] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.470572] RSP: 0018:ffff888016b3fc00 EFLAGS: 00010282 [ 49.471422] RAX: 0000000000000000 RBX: ffff88800e9d4c40 RCX: 0000000000000000 [ 49.472513] RDX: ffff8880178f51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.473576] RBP: ffff88800e9d4c54 R08: 0000000000000001 R09: 0000000000000000 [ 49.474649] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.475714] R13: ffffffff84e23fe0 R14: ffff88800e9d4c48 R15: ffffffff84d74dc0 [ 49.476819] FS: 0000555556824400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.478025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.478922] CR2: 00007f732fd0b6f4 CR3: 0000000017886000 CR4: 0000000000350ee0 [ 49.479989] Call Trace: [ 49.480341] [ 49.480667] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.481526] ipv4_frags_init_net+0x269/0x440 [ 49.482308] ops_init+0xbb/0x6b0 [ 49.482990] setup_net+0x3d9/0x990 [ 49.483488] ? down_read_killable+0x1d7/0x4e0 [ 49.484325] ? __pfx_setup_net+0x10/0x10 [ 49.484973] ? copy_net_ns+0x17c/0x770 [ 49.485534] copy_net_ns+0x321/0x770 [ 49.486107] create_new_namespaces+0x3f6/0xb30 [ 49.486748] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.487461] ksys_unshare+0x44d/0x8e0 [ 49.488042] ? __pfx_ksys_unshare+0x10/0x10 [ 49.488628] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.489464] __x64_sys_unshare+0x31/0x40 [ 49.490062] do_syscall_64+0x3f/0x90 [ 49.490576] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.491324] RIP: 0033:0x7f0fabd620d7 [ 49.491859] 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 [ 49.494252] RSP: 002b:00007ffd396cdea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.495303] RAX: ffffffffffffffda RBX: 00007ffd396ce4e8 RCX: 00007f0fabd620d7 [ 49.496278] RDX: 00007f0fabdcc41f RSI: 00007ffd396cde40 RDI: 0000000040000000 [ 49.497266] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd396cdc50 [ 49.498248] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0fabe74bf0 [ 49.499227] R13: 00007ffd396cdf80 R14: 0000000000000000 R15: 00000000000000f8 [ 49.500235] [ 49.500575] irq event stamp: 10489 [ 49.501104] hardirqs last enabled at (10501): [] __up_console_sem+0x78/0x80 [ 49.502275] hardirqs last disabled at (10512): [] __up_console_sem+0x5d/0x80 [ 49.503452] softirqs last enabled at (10414): [] irq_exit_rcu+0x93/0xc0 [ 49.504588] softirqs last disabled at (10405): [] irq_exit_rcu+0x93/0xc0 [ 49.505740] ---[ end trace 0000000000000000 ]--- [ 49.512691] ------------[ cut here ]------------ [ 49.513416] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.515204] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.516361] Modules linked in: [ 49.516870] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.518127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.519211] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.519927] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.522308] RSP: 0018:ffff888016b3fc00 EFLAGS: 00010282 [ 49.523056] RAX: 0000000000000000 RBX: ffff88800e11ce40 RCX: 0000000000000000 [ 49.524012] RDX: ffff8880178f51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.524994] RBP: ffff88800e11ce54 R08: 0000000000000001 R09: 0000000000000000 [ 49.525945] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.526907] R13: ffffffff84e23fe0 R14: ffff88800e11ce48 R15: ffffffff84da7d60 [ 49.527864] FS: 0000555556824400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.528961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.529719] CR2: 00007f732fd0b6f4 CR3: 0000000017886000 CR4: 0000000000350ee0 [ 49.530683] Call Trace: [ 49.531076] [ 49.531395] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.532084] ipv6_frags_init_net+0x206/0x3c0 [ 49.532683] ops_init+0xbb/0x6b0 [ 49.533214] setup_net+0x3d9/0x990 [ 49.533699] ? down_read_killable+0x1d7/0x4e0 [ 49.534352] ? __pfx_setup_net+0x10/0x10 [ 49.534945] ? copy_net_ns+0x17c/0x770 [ 49.535488] copy_net_ns+0x321/0x770 [ 49.536041] create_new_namespaces+0x3f6/0xb30 [ 49.536665] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.537389] ksys_unshare+0x44d/0x8e0 [ 49.537956] ? __pfx_ksys_unshare+0x10/0x10 [ 49.538542] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.539342] __x64_sys_unshare+0x31/0x40 [ 49.539941] do_syscall_64+0x3f/0x90 [ 49.540453] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.541202] RIP: 0033:0x7f0fabd620d7 [ 49.541704] 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 [ 49.544015] RSP: 002b:00007ffd396cdea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.545059] RAX: ffffffffffffffda RBX: 00007ffd396ce4e8 RCX: 00007f0fabd620d7 [ 49.546020] RDX: 00007f0fabdcc41f RSI: 00007ffd396cde40 RDI: 0000000040000000 [ 49.546974] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd396cdc50 [ 49.547942] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0fabe74bf0 [ 49.548923] R13: 00007ffd396cdf80 R14: 0000000000000000 R15: 00000000000000f8 [ 49.549904] [ 49.550221] irq event stamp: 12923 [ 49.550687] hardirqs last enabled at (12933): [] __up_console_sem+0x78/0x80 [ 49.551884] hardirqs last disabled at (12952): [] __up_console_sem+0x5d/0x80 [ 49.553069] softirqs last enabled at (12948): [] irq_exit_rcu+0x93/0xc0 [ 49.554197] softirqs last disabled at (12941): [] irq_exit_rcu+0x93/0xc0 [ 49.555315] ---[ end trace 0000000000000000 ]--- [ 49.557365] ------------[ cut here ]------------ [ 49.558064] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.560082] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.561223] Modules linked in: [ 49.561658] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.562905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.563989] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.564679] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.567009] RSP: 0018:ffff888016b3fbf0 EFLAGS: 00010286 [ 49.567717] RAX: 0000000000000000 RBX: ffff88800e11d440 RCX: 0000000000000000 [ 49.568680] RDX: ffff8880178f51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.569673] RBP: ffff88800e11d454 R08: 0000000000000001 R09: 0000000000000000 [ 49.570655] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.571606] R13: ffffffff84e23fe0 R14: ffff88800e11d448 R15: ffffffff84db0aa0 [ 49.572575] FS: 0000555556824400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.573661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.574470] CR2: 00007f732fd0b6f4 CR3: 0000000017886000 CR4: 0000000000350ee0 [ 49.575424] Call Trace: [ 49.575813] [ 49.576141] nf_ct_net_init+0x224/0x3d0 [ 49.576690] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.577384] ops_init+0xbb/0x6b0 [ 49.577909] setup_net+0x3d9/0x990 [ 49.578402] ? down_read_killable+0x1d7/0x4e0 [ 49.579059] ? __pfx_setup_net+0x10/0x10 [ 49.579605] ? copy_net_ns+0x17c/0x770 [ 49.580194] copy_net_ns+0x321/0x770 [ 49.580714] create_new_namespaces+0x3f6/0xb30 [ 49.581386] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.582079] ksys_unshare+0x44d/0x8e0 [ 49.582608] ? __pfx_ksys_unshare+0x10/0x10 [ 49.583232] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.584035] __x64_sys_unshare+0x31/0x40 [ 49.584592] do_syscall_64+0x3f/0x90 [ 49.585164] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.585898] RIP: 0033:0x7f0fabd620d7 [ 49.586395] 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 [ 49.588707] RSP: 002b:00007ffd396cdea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.589730] RAX: ffffffffffffffda RBX: 00007ffd396ce4e8 RCX: 00007f0fabd620d7 [ 49.590688] RDX: 00007f0fabdcc41f RSI: 00007ffd396cde40 RDI: 0000000040000000 [ 49.591644] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd396cdc50 [ 49.592608] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0fabe74bf0 [ 49.593581] R13: 00007ffd396cdf80 R14: 0000000000000000 R15: 00000000000000f8 [ 49.594578] [ 49.594941] irq event stamp: 13825 [ 49.595413] hardirqs last enabled at (13835): [] __up_console_sem+0x78/0x80 [ 49.596571] hardirqs last disabled at (13846): [] __up_console_sem+0x5d/0x80 [ 49.597742] softirqs last enabled at (13446): [] irq_exit_rcu+0x93/0xc0 [ 49.598898] softirqs last disabled at (13869): [] irq_exit_rcu+0x93/0xc0 [ 49.600022] ---[ end trace 0000000000000000 ]--- executing program [ 51.087857] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.135335] Bluetooth: hci0: command 0x041b tx timeout [ 55.182887] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.230870] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:23:59 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff813aac10 RCX=0000000000000001 RDX=1ffff11002da0f1c RSI=0000000000000000 RDI=ffff888016d078e0 RBP=ffff888016d07968 RSP=ffff888016d078b0 R8 =ffffffff864aeb3a R9 =ffffffff864aeb3e R10=0000000000038001 R11=00000000000b6250 R12=ffff888016d07998 R13=ffff888016d07918 R14=ffff888016d07f58 R15=ffff888016d078d0 RIP=ffffffff81130623 RFL=00000282 [--S----] 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 00007fc93da25900 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=00007fc93cf202d0 CR3=0000000016164000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d8f928da5fab84ed0000000000110298 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9d73ef67b36babea00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888016b3f7a0 RCX=0000000000000000 RDX=ffff8880178f51c0 RSI=ffffffff812ff088 RDI=0000000000000007 RBP=0000000000000000 RSP=ffff888016b3f588 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=fffffffffffcb4a0 R12=0000000000000001 R13=00000000000002ac R14=ffffffff87ae6d60 R15=ffff888016b3f5c8 RIP=ffffffff814be67b RFL=00000246 [---Z-P-] 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 0000555556824400 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=00007f732fd0b6f4 CR3=0000000017886000 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