syzkaller login: [ 36.399510] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:48535' (ECDSA) to the list of known hosts. 2023/05/17 13:21:20 fuzzer started 2023/05/17 13:21:20 dialing manager at localhost:44319 2023/05/17 13:21:20 checking machine... 2023/05/17 13:21:20 checking revisions... [ 37.627285] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:21:20 testing simple program... [ 37.692303] cgroup: Unknown subsys name 'net' [ 37.789723] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.056166] audit: type=1400 audit(1684329694.133:6): 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 [ 52.170357] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.172180] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.174955] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.178658] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.180305] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.182757] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.625864] ------------[ cut here ]------------ [ 52.626599] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.628834] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.629982] Modules linked in: [ 52.630465] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.634422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.636996] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.637829] 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 [ 52.640328] RSP: 0018:ffff8880202efc00 EFLAGS: 00010282 [ 52.641170] RAX: 0000000000000000 RBX: ffff88800f03d040 RCX: 0000000000000000 [ 52.642416] RDX: ffff888010169b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.643487] RBP: ffff88800f03d054 R08: 0000000000000001 R09: 0000000000000000 [ 52.644494] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.645486] R13: ffffffff84e23fe0 R14: ffff88800f03d048 R15: ffffffff84d74dc0 [ 52.646515] FS: 0000555555c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.647622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.648466] CR2: 00007f566424c6f4 CR3: 0000000016fda000 CR4: 0000000000350ee0 [ 52.649461] Call Trace: [ 52.649874] [ 52.650193] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.650904] ipv4_frags_init_net+0x269/0x440 [ 52.651534] ops_init+0xbb/0x6b0 [ 52.652024] setup_net+0x3d9/0x990 [ 52.652543] ? down_read_killable+0x1d7/0x4e0 [ 52.653147] ? __pfx_setup_net+0x10/0x10 [ 52.653729] ? copy_net_ns+0x17c/0x770 [ 52.654285] copy_net_ns+0x321/0x770 [ 52.654841] create_new_namespaces+0x3f6/0xb30 [ 52.655518] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.656172] ksys_unshare+0x44d/0x8e0 [ 52.656734] ? __pfx_ksys_unshare+0x10/0x10 [ 52.657319] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.658127] __x64_sys_unshare+0x31/0x40 [ 52.658717] do_syscall_64+0x3f/0x90 [ 52.659231] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.659954] RIP: 0033:0x7f7bd1b040d7 [ 52.660486] 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 [ 52.662840] RSP: 002b:00007ffcaf7a1448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.663849] RAX: ffffffffffffffda RBX: 00007ffcaf7a1a88 RCX: 00007f7bd1b040d7 [ 52.664811] RDX: 00007f7bd1b6e41f RSI: 00007ffcaf7a13e0 RDI: 0000000040000000 [ 52.665753] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcaf7a11f0 [ 52.666728] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7bd1c16bf0 [ 52.667684] R13: 00007ffcaf7a1520 R14: 0000000000000000 R15: 00000000000000f8 [ 52.668674] [ 52.668997] irq event stamp: 8765 [ 52.669486] hardirqs last enabled at (8777): [] __up_console_sem+0x78/0x80 [ 52.670643] hardirqs last disabled at (8788): [] __up_console_sem+0x5d/0x80 [ 52.671772] softirqs last enabled at (8376): [] irq_exit_rcu+0x93/0xc0 [ 52.672869] softirqs last disabled at (8349): [] irq_exit_rcu+0x93/0xc0 [ 52.673990] ---[ end trace 0000000000000000 ]--- [ 52.679474] ------------[ cut here ]------------ [ 52.680114] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.682125] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.683300] Modules linked in: [ 52.683775] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.685028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.686132] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.686862] 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 [ 52.689212] RSP: 0018:ffff8880202efc00 EFLAGS: 00010282 [ 52.689950] RAX: 0000000000000000 RBX: ffff888015d6d240 RCX: 0000000000000000 [ 52.690914] RDX: ffff888010169b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.691878] RBP: ffff888015d6d254 R08: 0000000000000001 R09: 0000000000000000 [ 52.692853] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.693851] R13: ffffffff84e23fe0 R14: ffff888015d6d248 R15: ffffffff84da7d60 [ 52.694854] FS: 0000555555c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.695962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.696800] CR2: 00007f566424c6f4 CR3: 0000000016fda000 CR4: 0000000000350ee0 [ 52.697835] Call Trace: [ 52.698205] [ 52.698572] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.699261] ipv6_frags_init_net+0x206/0x3c0 [ 52.699918] ops_init+0xbb/0x6b0 [ 52.700454] setup_net+0x3d9/0x990 [ 52.700963] ? down_read_killable+0x1d7/0x4e0 [ 52.701631] ? __pfx_setup_net+0x10/0x10 [ 52.702224] ? copy_net_ns+0x17c/0x770 [ 52.702829] copy_net_ns+0x321/0x770 [ 52.703409] create_new_namespaces+0x3f6/0xb30 [ 52.704055] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.704773] ksys_unshare+0x44d/0x8e0 [ 52.705316] ? __pfx_ksys_unshare+0x10/0x10 [ 52.705969] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.706799] __x64_sys_unshare+0x31/0x40 [ 52.707411] do_syscall_64+0x3f/0x90 [ 52.707941] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.708689] RIP: 0033:0x7f7bd1b040d7 [ 52.709210] 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 [ 52.711646] RSP: 002b:00007ffcaf7a1448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.712710] RAX: ffffffffffffffda RBX: 00007ffcaf7a1a88 RCX: 00007f7bd1b040d7 [ 52.713703] RDX: 00007f7bd1b6e41f RSI: 00007ffcaf7a13e0 RDI: 0000000040000000 [ 52.714712] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcaf7a11f0 [ 52.715700] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7bd1c16bf0 [ 52.716694] R13: 00007ffcaf7a1520 R14: 0000000000000000 R15: 00000000000000f8 [ 52.717709] [ 52.718062] irq event stamp: 10395 [ 52.718586] hardirqs last enabled at (10407): [] __up_console_sem+0x78/0x80 [ 52.719768] hardirqs last disabled at (10418): [] __up_console_sem+0x5d/0x80 [ 52.720959] softirqs last enabled at (9898): [] irq_exit_rcu+0x93/0xc0 [ 52.722124] softirqs last disabled at (9891): [] irq_exit_rcu+0x93/0xc0 [ 52.723283] ---[ end trace 0000000000000000 ]--- [ 52.724996] ------------[ cut here ]------------ [ 52.725669] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.727813] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.728965] Modules linked in: [ 52.729459] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.730766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.731949] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.732701] 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 [ 52.735110] RSP: 0018:ffff8880202efbf0 EFLAGS: 00010286 [ 52.735866] RAX: 0000000000000000 RBX: ffff888015d6d840 RCX: 0000000000000000 [ 52.736857] RDX: ffff888010169b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.737856] RBP: ffff888015d6d854 R08: 0000000000000001 R09: 0000000000000000 [ 52.738867] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.739864] R13: ffffffff84e23fe0 R14: ffff888015d6d848 R15: ffffffff84db0aa0 [ 52.740867] FS: 0000555555c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.742000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.742836] CR2: 00007f566424c6f4 CR3: 0000000016fda000 CR4: 0000000000350ee0 [ 52.743831] Call Trace: [ 52.744202] [ 52.744570] nf_ct_net_init+0x224/0x3d0 [ 52.745149] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.745829] ops_init+0xbb/0x6b0 [ 52.746328] setup_net+0x3d9/0x990 [ 52.746872] ? down_read_killable+0x1d7/0x4e0 [ 52.747538] ? __pfx_setup_net+0x10/0x10 [ 52.748107] ? copy_net_ns+0x17c/0x770 [ 52.748708] copy_net_ns+0x321/0x770 [ 52.749248] create_new_namespaces+0x3f6/0xb30 [ 52.749962] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.750679] ksys_unshare+0x44d/0x8e0 [ 52.751216] ? __pfx_ksys_unshare+0x10/0x10 [ 52.751864] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.752693] __x64_sys_unshare+0x31/0x40 [ 52.753268] do_syscall_64+0x3f/0x90 [ 52.753850] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.754606] RIP: 0033:0x7f7bd1b040d7 [ 52.755124] 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 [ 52.757545] RSP: 002b:00007ffcaf7a1448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.758626] RAX: ffffffffffffffda RBX: 00007ffcaf7a1a88 RCX: 00007f7bd1b040d7 [ 52.759619] RDX: 00007f7bd1b6e41f RSI: 00007ffcaf7a13e0 RDI: 0000000040000000 [ 52.760613] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcaf7a11f0 [ 52.761604] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7bd1c16bf0 [ 52.762611] R13: 00007ffcaf7a1520 R14: 0000000000000000 R15: 00000000000000f8 [ 52.763634] [ 52.763968] irq event stamp: 11149 [ 52.764481] hardirqs last enabled at (11161): [] __up_console_sem+0x78/0x80 [ 52.765663] hardirqs last disabled at (11172): [] __up_console_sem+0x5d/0x80 [ 52.766861] softirqs last enabled at (10772): [] irq_exit_rcu+0x93/0xc0 [ 52.768008] softirqs last disabled at (10767): [] irq_exit_rcu+0x93/0xc0 [ 52.769161] ---[ end trace 0000000000000000 ]--- [ 54.242963] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.290452] Bluetooth: hci0: command 0x041b tx timeout [ 58.338488] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.386464] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:21:34 Registers: info registers vcpu 0 RAX=0000000000020401 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=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 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=00007fb500030028 CR3=0000000015aea000 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=2035333a31323a33312037312079614d XMM01=5d3536343033362e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880202ef620 R8 =0000000000000001 R9 =ffffed100405deb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f2dbc0 R14=ffffffff87f2dc10 R15=ffffffff87f2de78 RIP=ffffffff82507f45 RFL=00000006 [-----P-] 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 0000555555c73400 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=00007f566424c6f4 CR3=0000000016fda000 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