syzkaller login: [ 40.028102] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:6634' (ECDSA) to the list of known hosts. 2023/05/17 07:11:34 fuzzer started 2023/05/17 07:11:34 dialing manager at localhost:35573 2023/05/17 07:11:34 checking machine... 2023/05/17 07:11:34 checking revisions... [ 45.215675] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:11:34 testing simple program... [ 45.291710] cgroup: Unknown subsys name 'net' [ 45.380111] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.259499] audit: type=1400 audit(1684307507.797:6): 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 [ 59.422020] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.424609] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.426381] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.432952] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.436426] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.438477] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.828225] ------------[ cut here ]------------ [ 59.828944] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.830679] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.831938] Modules linked in: [ 59.832350] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.837190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.838241] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.838918] 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 [ 59.841112] RSP: 0018:ffff88801e74fc00 EFLAGS: 00010282 [ 59.841813] RAX: 0000000000000000 RBX: ffff88800f7c3440 RCX: 0000000000000000 [ 59.842674] RDX: ffff88800e2ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.843574] RBP: ffff88800f7c3454 R08: 0000000000000001 R09: 0000000000000000 [ 59.844468] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.845374] R13: ffffffff84e223a0 R14: ffff88800f7c3448 R15: ffffffff84d73340 [ 59.846266] FS: 00005555573d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.847269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.848042] CR2: 00007fa594d7b6f4 CR3: 0000000016a0c000 CR4: 0000000000350ee0 [ 59.848946] Call Trace: [ 59.849278] [ 59.849577] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.850217] ipv4_frags_init_net+0x269/0x440 [ 59.850812] ops_init+0xbb/0x6b0 [ 59.851263] setup_net+0x3d9/0x990 [ 59.851719] ? down_read_killable+0x1d7/0x4e0 [ 59.852323] ? __pfx_setup_net+0x10/0x10 [ 59.852862] ? copy_net_ns+0x17c/0x770 [ 59.853371] copy_net_ns+0x321/0x770 [ 59.853878] create_new_namespaces+0x3f6/0xb30 [ 59.854469] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.855114] ksys_unshare+0x44d/0x8e0 [ 59.855639] ? __pfx_ksys_unshare+0x10/0x10 [ 59.856214] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.856959] __x64_sys_unshare+0x31/0x40 [ 59.857483] do_syscall_64+0x3f/0x90 [ 59.857986] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.858628] RIP: 0033:0x7fbce110c0d7 [ 59.859160] 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 [ 59.861479] RSP: 002b:00007ffe5dbed468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.862478] RAX: ffffffffffffffda RBX: 00007ffe5dbedaa8 RCX: 00007fbce110c0d7 [ 59.863411] RDX: 00007fbce117641f RSI: 00007ffe5dbed400 RDI: 0000000040000000 [ 59.864398] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5dbed210 [ 59.865339] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbce121ebf0 [ 59.866286] R13: 00007ffe5dbed540 R14: 0000000000000000 R15: 00000000000000f8 [ 59.867252] [ 59.867577] irq event stamp: 7687 [ 59.868051] hardirqs last enabled at (7699): [] __up_console_sem+0x78/0x80 [ 59.869179] hardirqs last disabled at (7710): [] __up_console_sem+0x5d/0x80 [ 59.870309] softirqs last enabled at (7260): [] irq_exit_rcu+0x93/0xc0 [ 59.871404] softirqs last disabled at (7247): [] irq_exit_rcu+0x93/0xc0 [ 59.872517] ---[ end trace 0000000000000000 ]--- [ 59.878092] ------------[ cut here ]------------ [ 59.878717] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.880533] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.881675] Modules linked in: [ 59.882132] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.883348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.884447] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.885174] 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 [ 59.887612] RSP: 0018:ffff88801e74fc00 EFLAGS: 00010282 [ 59.888378] RAX: 0000000000000000 RBX: ffff88800eb79440 RCX: 0000000000000000 [ 59.889355] RDX: ffff88800e2ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.890340] RBP: ffff88800eb79454 R08: 0000000000000001 R09: 0000000000000000 [ 59.891304] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.892297] R13: ffffffff84e223a0 R14: ffff88800eb79448 R15: ffffffff84da62e0 [ 59.893272] FS: 00005555573d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.894386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.895193] CR2: 00007fa594d7b6f4 CR3: 0000000016a0c000 CR4: 0000000000350ee0 [ 59.896175] Call Trace: [ 59.896528] [ 59.896895] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.897550] ipv6_frags_init_net+0x206/0x3c0 [ 59.898218] ops_init+0xbb/0x6b0 [ 59.898733] setup_net+0x3d9/0x990 [ 59.899250] ? down_read_killable+0x1d7/0x4e0 [ 59.899927] ? __pfx_setup_net+0x10/0x10 [ 59.900476] ? copy_net_ns+0x17c/0x770 [ 59.901078] copy_net_ns+0x321/0x770 [ 59.901589] create_new_namespaces+0x3f6/0xb30 [ 59.902293] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.903023] ksys_unshare+0x44d/0x8e0 [ 59.903559] ? __pfx_ksys_unshare+0x10/0x10 [ 59.904196] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.905020] __x64_sys_unshare+0x31/0x40 [ 59.905579] do_syscall_64+0x3f/0x90 [ 59.906149] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.906897] RIP: 0033:0x7fbce110c0d7 [ 59.907395] 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 [ 59.909838] RSP: 002b:00007ffe5dbed468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.910893] RAX: ffffffffffffffda RBX: 00007ffe5dbedaa8 RCX: 00007fbce110c0d7 [ 59.911896] RDX: 00007fbce117641f RSI: 00007ffe5dbed400 RDI: 0000000040000000 [ 59.912864] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5dbed210 [ 59.913852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbce121ebf0 [ 59.914816] R13: 00007ffe5dbed540 R14: 0000000000000000 R15: 00000000000000f8 [ 59.915816] [ 59.916131] irq event stamp: 9611 [ 59.916588] hardirqs last enabled at (9621): [] __up_console_sem+0x78/0x80 [ 59.917786] hardirqs last disabled at (9632): [] __up_console_sem+0x5d/0x80 [ 59.918965] softirqs last enabled at (9156): [] irq_exit_rcu+0x93/0xc0 [ 59.920121] softirqs last disabled at (9151): [] irq_exit_rcu+0x93/0xc0 [ 59.921244] ---[ end trace 0000000000000000 ]--- [ 59.922782] ------------[ cut here ]------------ [ 59.923413] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.925515] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.926684] Modules linked in: [ 59.927153] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.928457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.929560] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.930319] 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 [ 59.932764] RSP: 0018:ffff88801e74fbf0 EFLAGS: 00010286 [ 59.933456] RAX: 0000000000000000 RBX: ffff88800eb79c40 RCX: 0000000000000000 [ 59.934442] RDX: ffff88800e2ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.935417] RBP: ffff88800eb79c54 R08: 0000000000000001 R09: 0000000000000000 [ 59.936403] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.937404] R13: ffffffff84e223a0 R14: ffff88800eb79c48 R15: ffffffff84daf020 [ 59.938392] FS: 00005555573d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.939497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.940314] CR2: 00007fa594d7b6f4 CR3: 0000000016a0c000 CR4: 0000000000350ee0 [ 59.941305] Call Trace: [ 59.941662] [ 59.942057] nf_ct_net_init+0x224/0x3d0 [ 59.942610] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.943260] ops_init+0xbb/0x6b0 [ 59.943812] setup_net+0x3d9/0x990 [ 59.944291] ? down_read_killable+0x1d7/0x4e0 [ 59.944963] ? __pfx_setup_net+0x10/0x10 [ 59.945496] ? copy_net_ns+0x17c/0x770 [ 59.946107] copy_net_ns+0x321/0x770 [ 59.946605] create_new_namespaces+0x3f6/0xb30 [ 59.947284] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.948006] ksys_unshare+0x44d/0x8e0 [ 59.948524] ? __pfx_ksys_unshare+0x10/0x10 [ 59.949157] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.949970] __x64_sys_unshare+0x31/0x40 [ 59.950521] do_syscall_64+0x3f/0x90 [ 59.951087] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.951842] RIP: 0033:0x7fbce110c0d7 [ 59.952345] 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 [ 59.954763] RSP: 002b:00007ffe5dbed468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.955806] RAX: ffffffffffffffda RBX: 00007ffe5dbedaa8 RCX: 00007fbce110c0d7 [ 59.956765] RDX: 00007fbce117641f RSI: 00007ffe5dbed400 RDI: 0000000040000000 [ 59.957695] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5dbed210 [ 59.958674] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbce121ebf0 [ 59.959675] R13: 00007ffe5dbed540 R14: 0000000000000000 R15: 00000000000000f8 [ 59.960680] [ 59.961049] irq event stamp: 10351 [ 59.961516] hardirqs last enabled at (10361): [] __up_console_sem+0x78/0x80 [ 59.962760] hardirqs last disabled at (10374): [] __up_console_sem+0x5d/0x80 [ 59.963942] softirqs last enabled at (10154): [] irq_exit_rcu+0x93/0xc0 [ 59.965080] softirqs last disabled at (10149): [] irq_exit_rcu+0x93/0xc0 [ 59.966234] ---[ end trace 0000000000000000 ]--- executing program [ 61.504417] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.552820] Bluetooth: hci0: command 0x041b tx timeout [ 65.599930] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.647806] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:11:40 Registers: info registers vcpu 0 RAX=00000000000272ed 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=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 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=00007fb728a94290 CR3=00000000160aa000 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=2039343a31313a37302037312079614d XMM01=5d3937363033382e39352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3937363033382e39352020205b XMM07=79732039343a31313a37302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000078 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e74f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000078 R11=0000000000000001 R12=0000000000000078 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 00005555573d5400 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=00007fa594d7b6f4 CR3=0000000016a0c000 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