syzkaller login: [ 44.479468] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:41023' (ECDSA) to the list of known hosts. 2023/05/18 09:01:56 fuzzer started 2023/05/18 09:01:57 dialing manager at localhost:44319 2023/05/18 09:01:57 checking machine... 2023/05/18 09:01:57 checking revisions... [ 45.397626] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:01:57 testing simple program... [ 45.459813] cgroup: Unknown subsys name 'net' [ 45.548376] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.246668] audit: type=1400 audit(1684400530.203:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.401503] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.402603] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.404878] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.407353] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.408868] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.409774] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.715075] ------------[ cut here ]------------ [ 59.715568] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.716721] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.717553] Modules linked in: [ 59.717830] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.719952] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.721861] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.722354] 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 [ 59.723932] RSP: 0018:ffff88802011fc00 EFLAGS: 00010282 [ 59.724420] RAX: 0000000000000000 RBX: ffff88800d0ea440 RCX: 0000000000000000 [ 59.725099] RDX: ffff88801598b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.725720] RBP: ffff88800d0ea454 R08: 0000000000000001 R09: 0000000000000000 [ 59.726337] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.726927] R13: ffffffff84e23fe0 R14: ffff88800d0ea448 R15: ffffffff84d74dc0 [ 59.727562] FS: 000055555558a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.728247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.728777] CR2: 00007f9f0ea446f4 CR3: 000000001a08e000 CR4: 0000000000350ee0 [ 59.729400] Call Trace: [ 59.729629] [ 59.729831] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.730289] ipv4_frags_init_net+0x269/0x440 [ 59.730682] ops_init+0xbb/0x6b0 [ 59.730991] setup_net+0x3d9/0x990 [ 59.731336] ? down_read_killable+0x1d7/0x4e0 [ 59.731732] ? __pfx_setup_net+0x10/0x10 [ 59.732089] ? copy_net_ns+0x17c/0x770 [ 59.732470] copy_net_ns+0x321/0x770 [ 59.732842] create_new_namespaces+0x3f6/0xb30 [ 59.733339] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.733760] ksys_unshare+0x44d/0x8e0 [ 59.734093] ? __pfx_ksys_unshare+0x10/0x10 [ 59.734488] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.735000] __x64_sys_unshare+0x31/0x40 [ 59.735477] do_syscall_64+0x3f/0x90 [ 59.735811] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.736296] RIP: 0033:0x7fc56bbf90d7 [ 59.736677] 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 [ 59.738266] RSP: 002b:00007fffebc97aa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.738928] RAX: ffffffffffffffda RBX: 00007fffebc980e8 RCX: 00007fc56bbf90d7 [ 59.739548] RDX: 00007fc56bc6341f RSI: 00007fffebc97a40 RDI: 0000000040000000 [ 59.740196] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebc97850 [ 59.740850] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc56bd0bbf0 [ 59.741534] R13: 00007fffebc97b80 R14: 0000000000000000 R15: 00000000000000f8 [ 59.742168] [ 59.742380] irq event stamp: 7879 [ 59.742661] hardirqs last enabled at (7889): [] __up_console_sem+0x78/0x80 [ 59.743435] hardirqs last disabled at (7900): [] __up_console_sem+0x5d/0x80 [ 59.744113] softirqs last enabled at (7128): [] irq_exit_rcu+0x93/0xc0 [ 59.744903] softirqs last disabled at (7915): [] irq_exit_rcu+0x93/0xc0 [ 59.745607] ---[ end trace 0000000000000000 ]--- [ 59.750377] ------------[ cut here ]------------ [ 59.750897] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.752007] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.752968] Modules linked in: [ 59.753274] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.754071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.754799] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.755307] 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 [ 59.756847] RSP: 0018:ffff88802011fc00 EFLAGS: 00010282 [ 59.757355] RAX: 0000000000000000 RBX: ffff888008ef2640 RCX: 0000000000000000 [ 59.757927] RDX: ffff88801598b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.758535] RBP: ffff888008ef2654 R08: 0000000000000001 R09: 0000000000000000 [ 59.759109] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.759720] R13: ffffffff84e23fe0 R14: ffff888008ef2648 R15: ffffffff84da7d60 [ 59.760398] FS: 000055555558a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.761115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.761634] CR2: 00007f9f0ea446f4 CR3: 000000001a08e000 CR4: 0000000000350ee0 [ 59.762259] Call Trace: [ 59.762490] [ 59.762697] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.763121] ipv6_frags_init_net+0x206/0x3c0 [ 59.763553] ops_init+0xbb/0x6b0 [ 59.763847] setup_net+0x3d9/0x990 [ 59.764213] ? down_read_killable+0x1d7/0x4e0 [ 59.764637] ? __pfx_setup_net+0x10/0x10 [ 59.764981] ? copy_net_ns+0x17c/0x770 [ 59.765383] copy_net_ns+0x321/0x770 [ 59.765696] create_new_namespaces+0x3f6/0xb30 [ 59.766099] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.766548] ksys_unshare+0x44d/0x8e0 [ 59.766883] ? __pfx_ksys_unshare+0x10/0x10 [ 59.767303] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.767772] __x64_sys_unshare+0x31/0x40 [ 59.768096] do_syscall_64+0x3f/0x90 [ 59.768454] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.768957] RIP: 0033:0x7fc56bbf90d7 [ 59.769293] 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 [ 59.770733] RSP: 002b:00007fffebc97aa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.771346] RAX: ffffffffffffffda RBX: 00007fffebc980e8 RCX: 00007fc56bbf90d7 [ 59.771897] RDX: 00007fc56bc6341f RSI: 00007fffebc97a40 RDI: 0000000040000000 [ 59.772491] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebc97850 [ 59.773104] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc56bd0bbf0 [ 59.773688] R13: 00007fffebc97b80 R14: 0000000000000000 R15: 00000000000000f8 [ 59.774282] [ 59.774480] irq event stamp: 9969 [ 59.774756] hardirqs last enabled at (9979): [] __up_console_sem+0x78/0x80 [ 59.775479] hardirqs last disabled at (9990): [] __up_console_sem+0x5d/0x80 [ 59.776231] softirqs last enabled at (9572): [] irq_exit_rcu+0x93/0xc0 [ 59.776959] softirqs last disabled at (9567): [] irq_exit_rcu+0x93/0xc0 [ 59.777657] ---[ end trace 0000000000000000 ]--- [ 59.778747] ------------[ cut here ]------------ [ 59.779179] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.780438] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.781212] Modules linked in: [ 59.781485] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.782267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.782905] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.783360] 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 [ 59.784814] RSP: 0018:ffff88802011fbf0 EFLAGS: 00010286 [ 59.785301] RAX: 0000000000000000 RBX: ffff888008ef2e40 RCX: 0000000000000000 [ 59.785844] RDX: ffff88801598b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.786477] RBP: ffff888008ef2e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.787050] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.787652] R13: ffffffff84e23fe0 R14: ffff888008ef2e48 R15: ffffffff84db0aa0 [ 59.788232] FS: 000055555558a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.788902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.789387] CR2: 00007f9f0ea446f4 CR3: 000000001a08e000 CR4: 0000000000350ee0 [ 59.789959] Call Trace: [ 59.790239] [ 59.790442] nf_ct_net_init+0x224/0x3d0 [ 59.790788] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.791202] ops_init+0xbb/0x6b0 [ 59.791515] setup_net+0x3d9/0x990 [ 59.791808] ? down_read_killable+0x1d7/0x4e0 [ 59.792230] ? __pfx_setup_net+0x10/0x10 [ 59.792552] ? copy_net_ns+0x17c/0x770 [ 59.792936] copy_net_ns+0x321/0x770 [ 59.793270] create_new_namespaces+0x3f6/0xb30 [ 59.793650] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.794044] ksys_unshare+0x44d/0x8e0 [ 59.794387] ? __pfx_ksys_unshare+0x10/0x10 [ 59.794734] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.795264] __x64_sys_unshare+0x31/0x40 [ 59.795601] do_syscall_64+0x3f/0x90 [ 59.795923] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.796421] RIP: 0033:0x7fc56bbf90d7 [ 59.796756] 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 [ 59.798173] RSP: 002b:00007fffebc97aa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.798765] RAX: ffffffffffffffda RBX: 00007fffebc980e8 RCX: 00007fc56bbf90d7 [ 59.799386] RDX: 00007fc56bc6341f RSI: 00007fffebc97a40 RDI: 0000000040000000 [ 59.799937] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebc97850 [ 59.800539] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc56bd0bbf0 [ 59.801191] R13: 00007fffebc97b80 R14: 0000000000000000 R15: 00000000000000f8 [ 59.801797] [ 59.801997] irq event stamp: 10703 [ 59.802312] hardirqs last enabled at (10715): [] __up_console_sem+0x78/0x80 [ 59.802996] hardirqs last disabled at (10724): [] __up_console_sem+0x5d/0x80 [ 59.803718] softirqs last enabled at (10224): [] irq_exit_rcu+0x93/0xc0 [ 59.804391] softirqs last disabled at (10209): [] irq_exit_rcu+0x93/0xc0 [ 59.805070] ---[ end trace 0000000000000000 ]--- executing program [ 61.489047] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.536199] Bluetooth: hci0: command 0x041b tx timeout [ 65.584224] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.632232] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:02:09 Registers: info registers vcpu 0 RAX=000000000001e081 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=00007f8030aca2d0 CR3=000000000f514000 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=2031313a32303a39302038312079614d XMM01=5d3033383731372e39352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000037 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802011f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000037 R11=0000000000000001 R12=0000000000000037 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 000055555558a400 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=00007f9f0ea446f4 CR3=000000001a08e000 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