syzkaller login: [ 95.972702] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:8927' (ECDSA) to the list of known hosts. 2023/05/16 21:03:14 fuzzer started 2023/05/16 21:03:15 dialing manager at localhost:35573 2023/05/16 21:03:15 checking machine... 2023/05/16 21:03:15 checking revisions... [ 101.086647] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:03:15 testing simple program... [ 101.201220] cgroup: Unknown subsys name 'net' [ 101.291121] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 113.083385] audit: type=1400 audit(1684271007.343:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 114.178708] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 114.180417] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 114.181936] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 114.185010] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 114.186698] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 114.187879] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 114.583953] ------------[ cut here ]------------ [ 114.585113] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 114.587347] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 114.588611] Modules linked in: [ 114.589106] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 114.594516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 114.595489] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 114.596168] 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 [ 114.598323] RSP: 0018:ffff8880186d7c00 EFLAGS: 00010282 [ 114.599038] RAX: 0000000000000000 RBX: ffff888010267440 RCX: 0000000000000000 [ 114.599936] RDX: ffff88800df451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 114.600831] RBP: ffff888010267454 R08: 0000000000000001 R09: 0000000000000000 [ 114.601718] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 114.602610] R13: ffffffff84e223a0 R14: ffff888010267448 R15: ffffffff84d73340 [ 114.603484] FS: 0000555556414400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 114.604492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.605227] CR2: 00007fd811604020 CR3: 0000000016f0e000 CR4: 0000000000350ef0 [ 114.606118] Call Trace: [ 114.606461] [ 114.606789] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 114.607403] ipv4_frags_init_net+0x269/0x440 [ 114.607996] ops_init+0xbb/0x6b0 [ 114.608440] setup_net+0x3d9/0x990 [ 114.608921] ? down_read_killable+0x1d7/0x4e0 [ 114.609487] ? __pfx_setup_net+0x10/0x10 [ 114.610027] ? copy_net_ns+0x17c/0x770 [ 114.610573] copy_net_ns+0x321/0x770 [ 114.611057] create_new_namespaces+0x3f6/0xb30 [ 114.611670] unshare_nsproxy_namespaces+0xc1/0x200 [ 114.612304] ksys_unshare+0x44d/0x8e0 [ 114.612842] ? __pfx_ksys_unshare+0x10/0x10 [ 114.613417] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 114.614182] __x64_sys_unshare+0x31/0x40 [ 114.614757] do_syscall_64+0x3f/0x90 [ 114.615247] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 114.615941] RIP: 0033:0x7fa95f8ff0d7 [ 114.616418] 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 [ 114.618691] RSP: 002b:00007ffe04de8fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 114.619672] RAX: ffffffffffffffda RBX: 00007ffe04de95e8 RCX: 00007fa95f8ff0d7 [ 114.620596] RDX: 00007fa95f96941f RSI: 00007ffe04de8f40 RDI: 0000000040000000 [ 114.621483] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe04de8d50 [ 114.622404] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa95fa11bf0 [ 114.623322] R13: 00007ffe04de9080 R14: 0000000000000000 R15: 00000000000000f8 [ 114.624263] [ 114.624607] irq event stamp: 9111 [ 114.625050] hardirqs last enabled at (9121): [] __up_console_sem+0x78/0x80 [ 114.626140] hardirqs last disabled at (9132): [] __up_console_sem+0x5d/0x80 [ 114.627243] softirqs last enabled at (8594): [] irq_exit_rcu+0x93/0xc0 [ 114.628304] softirqs last disabled at (8425): [] irq_exit_rcu+0x93/0xc0 [ 114.629356] ---[ end trace 0000000000000000 ]--- [ 114.634234] ------------[ cut here ]------------ [ 114.634903] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 114.636617] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 114.637724] Modules linked in: [ 114.638138] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 114.639320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 114.640336] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 114.641011] 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 [ 114.643223] RSP: 0018:ffff8880186d7c00 EFLAGS: 00010282 [ 114.643906] RAX: 0000000000000000 RBX: ffff888013a8de40 RCX: 0000000000000000 [ 114.644802] RDX: ffff88800df451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 114.645697] RBP: ffff888013a8de54 R08: 0000000000000001 R09: 0000000000000000 [ 114.646653] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 114.647580] R13: ffffffff84e223a0 R14: ffff888013a8de48 R15: ffffffff84da62e0 [ 114.648480] FS: 0000555556414400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 114.649548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.650285] CR2: 00007fd811604020 CR3: 0000000016f0e000 CR4: 0000000000350ef0 [ 114.651233] Call Trace: [ 114.651608] [ 114.651925] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 114.652587] ipv6_frags_init_net+0x206/0x3c0 [ 114.653172] ops_init+0xbb/0x6b0 [ 114.653674] setup_net+0x3d9/0x990 [ 114.654148] ? down_read_killable+0x1d7/0x4e0 [ 114.654797] ? __pfx_setup_net+0x10/0x10 [ 114.655330] ? copy_net_ns+0x17c/0x770 [ 114.655883] copy_net_ns+0x321/0x770 [ 114.656384] create_new_namespaces+0x3f6/0xb30 [ 114.657030] unshare_nsproxy_namespaces+0xc1/0x200 [ 114.657704] ksys_unshare+0x44d/0x8e0 [ 114.658219] ? __pfx_ksys_unshare+0x10/0x10 [ 114.658838] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 114.659612] __x64_sys_unshare+0x31/0x40 [ 114.660150] do_syscall_64+0x3f/0x90 [ 114.660680] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 114.661348] RIP: 0033:0x7fa95f8ff0d7 [ 114.661871] 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 [ 114.664213] RSP: 002b:00007ffe04de8fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 114.665221] RAX: ffffffffffffffda RBX: 00007ffe04de95e8 RCX: 00007fa95f8ff0d7 [ 114.666159] RDX: 00007fa95f96941f RSI: 00007ffe04de8f40 RDI: 0000000040000000 [ 114.667124] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe04de8d50 [ 114.668071] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa95fa11bf0 [ 114.668997] R13: 00007ffe04de9080 R14: 0000000000000000 R15: 00000000000000f8 [ 114.669944] [ 114.670257] irq event stamp: 10741 [ 114.670760] hardirqs last enabled at (10763): [] __up_console_sem+0x78/0x80 [ 114.671888] hardirqs last disabled at (10774): [] __up_console_sem+0x5d/0x80 [ 114.673014] softirqs last enabled at (10758): [] irq_exit_rcu+0x93/0xc0 [ 114.674104] softirqs last disabled at (10749): [] irq_exit_rcu+0x93/0xc0 [ 114.675213] ---[ end trace 0000000000000000 ]--- [ 114.676626] ------------[ cut here ]------------ [ 114.677241] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 114.679434] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 114.680573] Modules linked in: [ 114.680999] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 114.682234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 114.683323] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 114.684030] 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 [ 114.686346] RSP: 0018:ffff8880186d7bf0 EFLAGS: 00010286 [ 114.687094] RAX: 0000000000000000 RBX: ffff888008eec440 RCX: 0000000000000000 [ 114.688024] RDX: ffff88800df451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 114.688951] RBP: ffff888008eec454 R08: 0000000000000001 R09: 0000000000000000 [ 114.689876] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 114.690822] R13: ffffffff84e223a0 R14: ffff888008eec448 R15: ffffffff84daf020 [ 114.691772] FS: 0000555556414400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 114.692824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.693602] CR2: 00007fd811604020 CR3: 0000000016f0e000 CR4: 0000000000350ef0 [ 114.694569] Call Trace: [ 114.694908] [ 114.695219] nf_ct_net_init+0x224/0x3d0 [ 114.695792] ? __pfx_nf_ct_net_init+0x10/0x10 [ 114.696388] ops_init+0xbb/0x6b0 [ 114.696885] setup_net+0x3d9/0x990 [ 114.697357] ? down_read_killable+0x1d7/0x4e0 [ 114.697984] ? __pfx_setup_net+0x10/0x10 [ 114.698560] ? copy_net_ns+0x17c/0x770 [ 114.699096] copy_net_ns+0x321/0x770 [ 114.699642] create_new_namespaces+0x3f6/0xb30 [ 114.700254] unshare_nsproxy_namespaces+0xc1/0x200 [ 114.700948] ksys_unshare+0x44d/0x8e0 [ 114.701465] ? __pfx_ksys_unshare+0x10/0x10 [ 114.702083] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 114.702888] __x64_sys_unshare+0x31/0x40 [ 114.703433] do_syscall_64+0x3f/0x90 [ 114.703958] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 114.704656] RIP: 0033:0x7fa95f8ff0d7 [ 114.705152] 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 [ 114.707516] RSP: 002b:00007ffe04de8fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 114.708480] RAX: ffffffffffffffda RBX: 00007ffe04de95e8 RCX: 00007fa95f8ff0d7 [ 114.709416] RDX: 00007fa95f96941f RSI: 00007ffe04de8f40 RDI: 0000000040000000 [ 114.710349] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe04de8d50 [ 114.711296] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa95fa11bf0 [ 114.712229] R13: 00007ffe04de9080 R14: 0000000000000000 R15: 00000000000000f8 [ 114.713192] [ 114.713542] irq event stamp: 11599 [ 114.713992] hardirqs last enabled at (11609): [] __up_console_sem+0x78/0x80 [ 114.715127] hardirqs last disabled at (11620): [] __up_console_sem+0x5d/0x80 [ 114.716250] softirqs last enabled at (11432): [] irq_exit_rcu+0x93/0xc0 [ 114.717338] softirqs last disabled at (11427): [] irq_exit_rcu+0x93/0xc0 [ 114.718456] ---[ end trace 0000000000000000 ]--- executing program [ 116.263119] Bluetooth: hci0: command 0x0409 tx timeout [ 118.310789] Bluetooth: hci0: command 0x041b tx timeout executing program [ 120.358689] Bluetooth: hci0: command 0x040f tx timeout executing program [ 122.406590] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 21:02:23 Registers: info registers vcpu 0 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880186d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 0000555556414400 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=00007fd811604020 CR3=0000000016f0e000 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=0000000000097f89 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=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 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=00007fd81158e910 CR3=000000000cb38000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203f3d72646461203f3d656d616e7400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000