syzkaller login: [ 58.186530] sshd (211) used greatest stack depth: 23288 bytes left Warning: Permanently added '[localhost]:25741' (ECDSA) to the list of known hosts. 2023/05/17 05:13:08 fuzzer started 2023/05/17 05:13:08 dialing manager at localhost:35573 2023/05/17 05:13:08 checking machine... 2023/05/17 05:13:08 checking revisions... [ 63.417458] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:13:08 testing simple program... [ 63.488175] cgroup: Unknown subsys name 'net' [ 63.580806] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 75.277063] audit: type=1400 audit(1684300400.616:6): avc: denied { execmem } for pid=261 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 76.418703] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.420304] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.422775] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.426071] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.427959] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.429328] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.823218] ------------[ cut here ]------------ [ 76.824503] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.826372] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.827551] Modules linked in: [ 76.828058] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.832946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.834270] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.835163] 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 [ 76.837952] RSP: 0018:ffff88801e9f7c00 EFLAGS: 00010282 [ 76.838847] RAX: 0000000000000000 RBX: ffff88800f4e7040 RCX: 0000000000000000 [ 76.839979] RDX: ffff8880159f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.841112] RBP: ffff88800f4e7054 R08: 0000000000000001 R09: 0000000000000000 [ 76.842195] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.843283] R13: ffffffff84e223a0 R14: ffff88800f4e7048 R15: ffffffff84d73340 [ 76.844238] FS: 0000555556e82400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.845299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.846085] CR2: 00007f871ffdf6f4 CR3: 000000000f4aa000 CR4: 0000000000350ef0 [ 76.847051] Call Trace: [ 76.847407] [ 76.847756] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.848405] ipv4_frags_init_net+0x269/0x440 [ 76.849035] ops_init+0xbb/0x6b0 [ 76.849510] setup_net+0x3d9/0x990 [ 76.850033] ? down_read_killable+0x1d7/0x4e0 [ 76.850681] ? __pfx_setup_net+0x10/0x10 [ 76.851221] ? copy_net_ns+0x17c/0x770 [ 76.851803] copy_net_ns+0x321/0x770 [ 76.852315] create_new_namespaces+0x3f6/0xb30 [ 76.852968] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.853623] ksys_unshare+0x44d/0x8e0 [ 76.854190] ? __pfx_ksys_unshare+0x10/0x10 [ 76.854835] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.855604] __x64_sys_unshare+0x31/0x40 [ 76.856194] do_syscall_64+0x3f/0x90 [ 76.856734] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.857426] RIP: 0033:0x7f3a18bfc0d7 [ 76.857959] 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 [ 76.860290] RSP: 002b:00007ffdd7ed42e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.861331] RAX: ffffffffffffffda RBX: 00007ffdd7ed4928 RCX: 00007f3a18bfc0d7 [ 76.862318] RDX: 00007f3a18c6641f RSI: 00007ffdd7ed4280 RDI: 0000000040000000 [ 76.863296] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd7ed4090 [ 76.864275] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3a18d0ebf0 [ 76.865246] R13: 00007ffdd7ed43c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.866262] [ 76.866588] irq event stamp: 8151 [ 76.867083] hardirqs last enabled at (8163): [] __up_console_sem+0x78/0x80 [ 76.868251] hardirqs last disabled at (8180): [] __up_console_sem+0x5d/0x80 [ 76.869395] softirqs last enabled at (8176): [] irq_exit_rcu+0x93/0xc0 [ 76.870506] softirqs last disabled at (8171): [] irq_exit_rcu+0x93/0xc0 [ 76.871611] ---[ end trace 0000000000000000 ]--- [ 76.877209] ------------[ cut here ]------------ [ 76.878686] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.880773] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.882011] Modules linked in: [ 76.882604] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.884172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.885374] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.886282] 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 [ 76.888799] RSP: 0018:ffff88801e9f7c00 EFLAGS: 00010282 [ 76.889503] RAX: 0000000000000000 RBX: ffff888010279c40 RCX: 0000000000000000 [ 76.890582] RDX: ffff8880159f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.891596] RBP: ffff888010279c54 R08: 0000000000000001 R09: 0000000000000000 [ 76.892565] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.893513] R13: ffffffff84e223a0 R14: ffff888010279c48 R15: ffffffff84da62e0 [ 76.894490] FS: 0000555556e82400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.895560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.896348] CR2: 00007f871ffdf6f4 CR3: 000000000f4aa000 CR4: 0000000000350ef0 [ 76.897314] Call Trace: [ 76.897711] [ 76.898037] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.898745] ipv6_frags_init_net+0x206/0x3c0 [ 76.899345] ops_init+0xbb/0x6b0 [ 76.899859] setup_net+0x3d9/0x990 [ 76.900340] ? down_read_killable+0x1d7/0x4e0 [ 76.900983] ? __pfx_setup_net+0x10/0x10 [ 76.901526] ? copy_net_ns+0x17c/0x770 [ 76.902120] copy_net_ns+0x321/0x770 [ 76.902686] create_new_namespaces+0x3f6/0xb30 [ 76.903313] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.904005] ksys_unshare+0x44d/0x8e0 [ 76.904533] ? __pfx_ksys_unshare+0x10/0x10 [ 76.905157] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.905961] __x64_sys_unshare+0x31/0x40 [ 76.906522] do_syscall_64+0x3f/0x90 [ 76.907077] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.907790] RIP: 0033:0x7f3a18bfc0d7 [ 76.908285] 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 [ 76.910620] RSP: 002b:00007ffdd7ed42e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.911668] RAX: ffffffffffffffda RBX: 00007ffdd7ed4928 RCX: 00007f3a18bfc0d7 [ 76.912585] RDX: 00007f3a18c6641f RSI: 00007ffdd7ed4280 RDI: 0000000040000000 [ 76.913535] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd7ed4090 [ 76.914503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3a18d0ebf0 [ 76.915465] R13: 00007ffdd7ed43c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.916448] [ 76.916814] irq event stamp: 10627 [ 76.917285] hardirqs last enabled at (10637): [] __up_console_sem+0x78/0x80 [ 76.918459] hardirqs last disabled at (10648): [] __up_console_sem+0x5d/0x80 [ 76.919612] softirqs last enabled at (10408): [] irq_exit_rcu+0x93/0xc0 [ 76.920757] softirqs last disabled at (10399): [] irq_exit_rcu+0x93/0xc0 [ 76.921874] ---[ end trace 0000000000000000 ]--- [ 76.923448] ------------[ cut here ]------------ [ 76.924172] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.926179] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.927354] Modules linked in: [ 76.927827] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.929074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.930166] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.930913] 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 [ 76.933245] RSP: 0018:ffff88801e9f7bf0 EFLAGS: 00010286 [ 76.933968] RAX: 0000000000000000 RBX: ffff888016011840 RCX: 0000000000000000 [ 76.934916] RDX: ffff8880159f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.935878] RBP: ffff888016011854 R08: 0000000000000001 R09: 0000000000000000 [ 76.936861] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.937822] R13: ffffffff84e223a0 R14: ffff888016011848 R15: ffffffff84daf020 [ 76.938794] FS: 0000555556e82400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.939861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.940617] CR2: 00007f871ffdf6f4 CR3: 000000000f4aa000 CR4: 0000000000350ef0 [ 76.941567] Call Trace: [ 76.941956] [ 76.942283] nf_ct_net_init+0x224/0x3d0 [ 76.942871] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.943477] ops_init+0xbb/0x6b0 [ 76.943986] setup_net+0x3d9/0x990 [ 76.944469] ? down_read_killable+0x1d7/0x4e0 [ 76.945102] ? __pfx_setup_net+0x10/0x10 [ 76.945670] ? copy_net_ns+0x17c/0x770 [ 76.946210] copy_net_ns+0x321/0x770 [ 76.946805] create_new_namespaces+0x3f6/0xb30 [ 76.947452] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.948165] ksys_unshare+0x44d/0x8e0 [ 76.948738] ? __pfx_ksys_unshare+0x10/0x10 [ 76.949347] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.950188] __x64_sys_unshare+0x31/0x40 [ 76.950811] do_syscall_64+0x3f/0x90 [ 76.951337] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.952092] RIP: 0033:0x7f3a18bfc0d7 [ 76.952610] 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 [ 76.955062] RSP: 002b:00007ffdd7ed42e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.956116] RAX: ffffffffffffffda RBX: 00007ffdd7ed4928 RCX: 00007f3a18bfc0d7 [ 76.957095] RDX: 00007f3a18c6641f RSI: 00007ffdd7ed4280 RDI: 0000000040000000 [ 76.958080] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd7ed4090 [ 76.959065] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3a18d0ebf0 [ 76.960070] R13: 00007ffdd7ed43c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.961076] [ 76.961409] irq event stamp: 11465 [ 76.961925] hardirqs last enabled at (11477): [] __up_console_sem+0x78/0x80 [ 76.963106] hardirqs last disabled at (11488): [] __up_console_sem+0x5d/0x80 [ 76.964290] softirqs last enabled at (11022): [] irq_exit_rcu+0x93/0xc0 [ 76.965434] softirqs last disabled at (11017): [] irq_exit_rcu+0x93/0xc0 [ 76.966596] ---[ end trace 0000000000000000 ]--- executing program [ 78.494239] Bluetooth: hci0: command 0x0409 tx timeout [ 80.541800] Bluetooth: hci0: command 0x041b tx timeout executing program [ 82.590694] Bluetooth: hci0: command 0x040f tx timeout executing program [ 84.637822] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:13:03 Registers: info registers vcpu 0 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e9f75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 0000555556e82400 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=00007f871ffdf6f4 CR3=000000000f4aa000 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=0000000000026b0f 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=00007f91296e0ea0 CR3=0000000015904000 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=2032323a33313a35302037312079614d XMM01=5d3135353732382e36372020205b203a XMM02=646f4d205d3135353732382e36372020 XMM03=6b7a79732032323a33313a3530203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120323632203a4449 XMM06=57205d3237333632382e36372020205b XMM07=79732032323a33313a35302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000