syzkaller login: [ 43.431774] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:1229' (ECDSA) to the list of known hosts. 2023/05/18 06:44:09 fuzzer started 2023/05/18 06:44:10 dialing manager at localhost:44319 2023/05/18 06:44:10 checking machine... 2023/05/18 06:44:10 checking revisions... [ 48.399450] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:44:10 testing simple program... [ 48.502526] cgroup: Unknown subsys name 'net' [ 48.694076] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.334344] audit: type=1400 audit(1684392262.297:6): 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 [ 61.470118] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.471594] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.474846] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.482440] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.485695] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.486868] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.861756] ------------[ cut here ]------------ [ 61.862438] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.864101] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.865183] Modules linked in: [ 61.865599] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.871423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.872396] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.873056] 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 [ 61.875104] RSP: 0018:ffff888016677c00 EFLAGS: 00010282 [ 61.875729] RAX: 0000000000000000 RBX: ffff888015e55440 RCX: 0000000000000000 [ 61.876575] RDX: ffff88801a3a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.877414] RBP: ffff888015e55454 R08: 0000000000000001 R09: 0000000000000000 [ 61.878240] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.879070] R13: ffffffff84e23fe0 R14: ffff888015e55448 R15: ffffffff84d74dc0 [ 61.879871] FS: 00005555568f4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.880851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.881584] CR2: 00007f25d6d806f4 CR3: 0000000017d4a000 CR4: 0000000000350ef0 [ 61.882465] Call Trace: [ 61.882785] [ 61.883112] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.883723] ipv4_frags_init_net+0x269/0x440 [ 61.884307] ops_init+0xbb/0x6b0 [ 61.884758] setup_net+0x3d9/0x990 [ 61.885243] ? down_read_killable+0x1d7/0x4e0 [ 61.885802] ? __pfx_setup_net+0x10/0x10 [ 61.886338] ? copy_net_ns+0x17c/0x770 [ 61.886832] copy_net_ns+0x321/0x770 [ 61.887339] create_new_namespaces+0x3f6/0xb30 [ 61.887941] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.888567] ksys_unshare+0x44d/0x8e0 [ 61.889080] ? __pfx_ksys_unshare+0x10/0x10 [ 61.889609] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.890335] __x64_sys_unshare+0x31/0x40 [ 61.890851] do_syscall_64+0x3f/0x90 [ 61.891357] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.892028] RIP: 0033:0x7fb14d2300d7 [ 61.892487] 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 [ 61.894637] RSP: 002b:00007ffd53367e98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.895556] RAX: ffffffffffffffda RBX: 00007ffd533684d8 RCX: 00007fb14d2300d7 [ 61.896427] RDX: 00007fb14d29a41f RSI: 00007ffd53367e30 RDI: 0000000040000000 [ 61.897327] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53367c40 [ 61.898209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb14d342bf0 [ 61.899077] R13: 00007ffd53367f70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.899977] [ 61.900268] irq event stamp: 8049 [ 61.900700] hardirqs last enabled at (8059): [] __up_console_sem+0x78/0x80 [ 61.901744] hardirqs last disabled at (8070): [] __up_console_sem+0x5d/0x80 [ 61.902787] softirqs last enabled at (7588): [] irq_exit_rcu+0x93/0xc0 [ 61.903816] softirqs last disabled at (7579): [] irq_exit_rcu+0x93/0xc0 [ 61.904849] ---[ end trace 0000000000000000 ]--- [ 61.910186] ------------[ cut here ]------------ [ 61.910771] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.912399] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.913482] Modules linked in: [ 61.913868] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.914970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.915920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.916532] 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 [ 61.918734] RSP: 0018:ffff888016677c00 EFLAGS: 00010282 [ 61.919425] RAX: 0000000000000000 RBX: ffff88800c738040 RCX: 0000000000000000 [ 61.920340] RDX: ffff88801a3a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.921283] RBP: ffff88800c738054 R08: 0000000000000001 R09: 0000000000000000 [ 61.922190] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.923073] R13: ffffffff84e23fe0 R14: ffff88800c738048 R15: ffffffff84da7d60 [ 61.923976] FS: 00005555568f4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.924986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.925698] CR2: 00007f25d6d806f4 CR3: 0000000017d4a000 CR4: 0000000000350ef0 [ 61.926600] Call Trace: [ 61.926958] [ 61.927256] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.927868] ipv6_frags_init_net+0x206/0x3c0 [ 61.928455] ops_init+0xbb/0x6b0 [ 61.928948] setup_net+0x3d9/0x990 [ 61.929401] ? down_read_killable+0x1d7/0x4e0 [ 61.929995] ? __pfx_setup_net+0x10/0x10 [ 61.930507] ? copy_net_ns+0x17c/0x770 [ 61.931046] copy_net_ns+0x321/0x770 [ 61.931533] create_new_namespaces+0x3f6/0xb30 [ 61.932148] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.932785] ksys_unshare+0x44d/0x8e0 [ 61.933298] ? __pfx_ksys_unshare+0x10/0x10 [ 61.933842] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.934570] __x64_sys_unshare+0x31/0x40 [ 61.935115] do_syscall_64+0x3f/0x90 [ 61.935592] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.936255] RIP: 0033:0x7fb14d2300d7 [ 61.936715] 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 [ 61.938854] RSP: 002b:00007ffd53367e98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.939778] RAX: ffffffffffffffda RBX: 00007ffd533684d8 RCX: 00007fb14d2300d7 [ 61.940667] RDX: 00007fb14d29a41f RSI: 00007ffd53367e30 RDI: 0000000040000000 [ 61.941528] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53367c40 [ 61.942418] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb14d342bf0 [ 61.943316] R13: 00007ffd53367f70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.944218] [ 61.944519] irq event stamp: 9993 [ 61.944989] hardirqs last enabled at (10005): [] __up_console_sem+0x78/0x80 [ 61.946052] hardirqs last disabled at (10016): [] __up_console_sem+0x5d/0x80 [ 61.947114] softirqs last enabled at (9566): [] irq_exit_rcu+0x93/0xc0 [ 61.948134] softirqs last disabled at (9561): [] irq_exit_rcu+0x93/0xc0 [ 61.949152] ---[ end trace 0000000000000000 ]--- [ 61.950497] ------------[ cut here ]------------ [ 61.951175] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.953088] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.954136] Modules linked in: [ 61.954533] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.955674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.956701] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.957392] 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 [ 61.959535] RSP: 0018:ffff888016677bf0 EFLAGS: 00010286 [ 61.960216] RAX: 0000000000000000 RBX: ffff88800c739840 RCX: 0000000000000000 [ 61.961108] RDX: ffff88801a3a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.962002] RBP: ffff88800c739854 R08: 0000000000000001 R09: 0000000000000000 [ 61.962857] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.963736] R13: ffffffff84e23fe0 R14: ffff88800c739848 R15: ffffffff84db0aa0 [ 61.964638] FS: 00005555568f4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.965619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.966364] CR2: 00007f25d6d806f4 CR3: 0000000017d4a000 CR4: 0000000000350ef0 [ 61.967250] Call Trace: [ 61.967573] [ 61.967871] nf_ct_net_init+0x224/0x3d0 [ 61.968415] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.969038] ops_init+0xbb/0x6b0 [ 61.969476] setup_net+0x3d9/0x990 [ 61.969969] ? down_read_killable+0x1d7/0x4e0 [ 61.970527] ? __pfx_setup_net+0x10/0x10 [ 61.971068] ? copy_net_ns+0x17c/0x770 [ 61.971572] copy_net_ns+0x321/0x770 [ 61.972095] create_new_namespaces+0x3f6/0xb30 [ 61.972687] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.973329] ksys_unshare+0x44d/0x8e0 [ 61.973813] ? __pfx_ksys_unshare+0x10/0x10 [ 61.974380] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.975110] __x64_sys_unshare+0x31/0x40 [ 61.975622] do_syscall_64+0x3f/0x90 [ 61.976122] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.976791] RIP: 0033:0x7fb14d2300d7 [ 61.977296] 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 [ 61.979450] RSP: 002b:00007ffd53367e98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.980386] RAX: ffffffffffffffda RBX: 00007ffd533684d8 RCX: 00007fb14d2300d7 [ 61.981281] RDX: 00007fb14d29a41f RSI: 00007ffd53367e30 RDI: 0000000040000000 [ 61.982160] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53367c40 [ 61.983035] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb14d342bf0 [ 61.983921] R13: 00007ffd53367f70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.984818] [ 61.985147] irq event stamp: 10847 [ 61.985574] hardirqs last enabled at (10857): [] __up_console_sem+0x78/0x80 [ 61.986628] hardirqs last disabled at (10868): [] __up_console_sem+0x5d/0x80 [ 61.987683] softirqs last enabled at (10784): [] irq_exit_rcu+0x93/0xc0 [ 61.988719] softirqs last disabled at (10779): [] irq_exit_rcu+0x93/0xc0 [ 61.989749] ---[ end trace 0000000000000000 ]--- executing program [ 63.554709] Bluetooth: hci0: command 0x0409 tx timeout [ 65.601976] Bluetooth: hci0: command 0x041b tx timeout executing program [ 67.649988] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.697961] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 06:44:19 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880166775f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555568f4400 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=00007f25d6d806f4 CR3=0000000017d4a000 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=000000000003ca3f RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f10cc4380a0 CR3=000000000ee8c000 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=d5d11fd11823ba9ff247e224951c648a XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a2e8c6dae225544d000000000013d9f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=76b546fa0e942d3b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000