syzkaller login: [ 42.284216] sshd (216) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:60554' (ECDSA) to the list of known hosts. 2023/05/17 17:05:08 fuzzer started 2023/05/17 17:05:08 dialing manager at localhost:44319 2023/05/17 17:05:08 checking machine... 2023/05/17 17:05:08 checking revisions... [ 44.255393] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:05:08 testing simple program... [ 44.321454] cgroup: Unknown subsys name 'net' [ 44.415200] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.882599] audit: type=1400 audit(1684343121.159:6): 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 [ 58.030829] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.033695] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.034840] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.039246] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.040909] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.043859] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.467566] ------------[ cut here ]------------ [ 58.468457] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.470606] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.471827] Modules linked in: [ 58.472308] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.474469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.476827] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.478234] 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 [ 58.480966] RSP: 0018:ffff88801e9e7c00 EFLAGS: 00010282 [ 58.481803] RAX: 0000000000000000 RBX: ffff88800d701040 RCX: 0000000000000000 [ 58.482947] RDX: ffff88800fddb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.484056] RBP: ffff88800d701054 R08: 0000000000000001 R09: 0000000000000000 [ 58.485163] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.486287] R13: ffffffff84e23fe0 R14: ffff88800d701048 R15: ffffffff84d74dc0 [ 58.487422] FS: 0000555557408400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.488665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.489609] CR2: 00007f4bb85e66f4 CR3: 000000001a424000 CR4: 0000000000350ee0 [ 58.490738] Call Trace: [ 58.491186] [ 58.491555] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.492346] ipv4_frags_init_net+0x269/0x440 [ 58.493070] ops_init+0xbb/0x6b0 [ 58.493650] setup_net+0x3d9/0x990 [ 58.494251] ? down_read_killable+0x1d7/0x4e0 [ 58.494987] ? __pfx_setup_net+0x10/0x10 [ 58.495612] ? copy_net_ns+0x17c/0x770 [ 58.496296] copy_net_ns+0x321/0x770 [ 58.496892] create_new_namespaces+0x3f6/0xb30 [ 58.497661] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.498473] ksys_unshare+0x44d/0x8e0 [ 58.499110] ? __pfx_ksys_unshare+0x10/0x10 [ 58.499796] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.500750] __x64_sys_unshare+0x31/0x40 [ 58.501439] do_syscall_64+0x3f/0x90 [ 58.502073] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.502885] RIP: 0033:0x7f1a9c00a0d7 [ 58.503500] 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 [ 58.506219] RSP: 002b:00007fffad581a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.507425] RAX: ffffffffffffffda RBX: 00007fffad582048 RCX: 00007f1a9c00a0d7 [ 58.508545] RDX: 00007f1a9c07441f RSI: 00007fffad5819a0 RDI: 0000000040000000 [ 58.509675] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5817b0 [ 58.510791] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a9c11cbf0 [ 58.511939] R13: 00007fffad581ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.513083] [ 58.513512] irq event stamp: 9637 [ 58.514151] hardirqs last enabled at (9649): [] __up_console_sem+0x78/0x80 [ 58.515487] hardirqs last disabled at (9660): [] __up_console_sem+0x5d/0x80 [ 58.516810] softirqs last enabled at (9484): [] irq_exit_rcu+0x93/0xc0 [ 58.518124] softirqs last disabled at (9479): [] irq_exit_rcu+0x93/0xc0 [ 58.519402] ---[ end trace 0000000000000000 ]--- [ 58.525180] ------------[ cut here ]------------ [ 58.525976] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.527961] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.529274] Modules linked in: [ 58.529791] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.531234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.532546] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.533394] 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 [ 58.536125] RSP: 0018:ffff88801e9e7c00 EFLAGS: 00010282 [ 58.536984] RAX: 0000000000000000 RBX: ffff88800db5bc40 RCX: 0000000000000000 [ 58.538117] RDX: ffff88800fddb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.539228] RBP: ffff88800db5bc54 R08: 0000000000000001 R09: 0000000000000000 [ 58.540346] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.541463] R13: ffffffff84e23fe0 R14: ffff88800db5bc48 R15: ffffffff84da7d60 [ 58.542553] FS: 0000555557408400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.543784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.544710] CR2: 00007f4bb85e66f4 CR3: 000000001a424000 CR4: 0000000000350ee0 [ 58.545835] Call Trace: [ 58.546272] [ 58.546643] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.547441] ipv6_frags_init_net+0x206/0x3c0 [ 58.548159] ops_init+0xbb/0x6b0 [ 58.548713] setup_net+0x3d9/0x990 [ 58.549314] ? down_read_killable+0x1d7/0x4e0 [ 58.550080] ? __pfx_setup_net+0x10/0x10 [ 58.550728] ? copy_net_ns+0x17c/0x770 [ 58.551410] copy_net_ns+0x321/0x770 [ 58.552032] create_new_namespaces+0x3f6/0xb30 [ 58.552765] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.553563] ksys_unshare+0x44d/0x8e0 [ 58.554180] ? __pfx_ksys_unshare+0x10/0x10 [ 58.554838] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.555736] __x64_sys_unshare+0x31/0x40 [ 58.556349] do_syscall_64+0x3f/0x90 [ 58.556888] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.557667] RIP: 0033:0x7f1a9c00a0d7 [ 58.558226] 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 [ 58.560635] RSP: 002b:00007fffad581a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.561718] RAX: ffffffffffffffda RBX: 00007fffad582048 RCX: 00007f1a9c00a0d7 [ 58.562706] RDX: 00007f1a9c07441f RSI: 00007fffad5819a0 RDI: 0000000040000000 [ 58.563718] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5817b0 [ 58.564891] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a9c11cbf0 [ 58.566168] R13: 00007fffad581ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.567454] [ 58.567865] irq event stamp: 11509 [ 58.568499] hardirqs last enabled at (11521): [] __up_console_sem+0x78/0x80 [ 58.570004] hardirqs last disabled at (11532): [] __up_console_sem+0x5d/0x80 [ 58.571494] softirqs last enabled at (11456): [] irq_exit_rcu+0x93/0xc0 [ 58.572947] softirqs last disabled at (11451): [] irq_exit_rcu+0x93/0xc0 [ 58.574418] ---[ end trace 0000000000000000 ]--- [ 58.576154] ------------[ cut here ]------------ [ 58.576843] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.578857] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.580004] Modules linked in: [ 58.580434] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.581652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.582732] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.583448] 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 [ 58.585735] RSP: 0018:ffff88801e9e7bf0 EFLAGS: 00010286 [ 58.586459] RAX: 0000000000000000 RBX: ffff8880165fb640 RCX: 0000000000000000 [ 58.587428] RDX: ffff88800fddb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.588393] RBP: ffff8880165fb654 R08: 0000000000000001 R09: 0000000000000000 [ 58.589363] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.590324] R13: ffffffff84e23fe0 R14: ffff8880165fb648 R15: ffffffff84db0aa0 [ 58.591283] FS: 0000555557408400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.592365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.593162] CR2: 00007f4bb85e66f4 CR3: 000000001a424000 CR4: 0000000000350ee0 [ 58.594131] Call Trace: [ 58.594491] [ 58.594822] nf_ct_net_init+0x224/0x3d0 [ 58.595424] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.596090] ops_init+0xbb/0x6b0 [ 58.596580] setup_net+0x3d9/0x990 [ 58.597115] ? down_read_killable+0x1d7/0x4e0 [ 58.597735] ? __pfx_setup_net+0x10/0x10 [ 58.598326] ? copy_net_ns+0x17c/0x770 [ 58.598871] copy_net_ns+0x321/0x770 [ 58.599431] create_new_namespaces+0x3f6/0xb30 [ 58.600098] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.600750] ksys_unshare+0x44d/0x8e0 [ 58.601316] ? __pfx_ksys_unshare+0x10/0x10 [ 58.601961] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.602717] __x64_sys_unshare+0x31/0x40 [ 58.603306] do_syscall_64+0x3f/0x90 [ 58.603827] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.604565] RIP: 0033:0x7f1a9c00a0d7 [ 58.605108] 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 [ 58.607426] RSP: 002b:00007fffad581a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.608450] RAX: ffffffffffffffda RBX: 00007fffad582048 RCX: 00007f1a9c00a0d7 [ 58.609411] RDX: 00007f1a9c07441f RSI: 00007fffad5819a0 RDI: 0000000040000000 [ 58.610363] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5817b0 [ 58.611346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a9c11cbf0 [ 58.612363] R13: 00007fffad581ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.613429] [ 58.613772] irq event stamp: 12355 [ 58.614302] hardirqs last enabled at (12367): [] __up_console_sem+0x78/0x80 [ 58.615518] hardirqs last disabled at (12378): [] __up_console_sem+0x5d/0x80 [ 58.616729] softirqs last enabled at (11456): [] irq_exit_rcu+0x93/0xc0 [ 58.617939] softirqs last disabled at (11451): [] irq_exit_rcu+0x93/0xc0 [ 58.619117] ---[ end trace 0000000000000000 ]--- executing program [ 60.113588] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.161995] Bluetooth: hci0: command 0x041b tx timeout [ 64.208985] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.257002] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:05:22 Registers: info registers vcpu 0 RAX=0000000000020ed7 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f3c60b57de0 CR3=0000000016552000 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=2032323a35303a37312037312079614d XMM01=5d3830333237342e38352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e9e75e0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555557408400 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=00007f4bb85e66f4 CR3=000000001a424000 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