syzkaller login: [ 37.748659] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:53763' (ECDSA) to the list of known hosts. 2023/05/16 10:58:38 fuzzer started 2023/05/16 10:58:38 dialing manager at localhost:35573 2023/05/16 10:58:38 checking machine... 2023/05/16 10:58:38 checking revisions... [ 38.933069] kmemleak: Automatic memory scanning thread ended 2023/05/16 10:58:38 testing simple program... [ 38.990836] cgroup: Unknown subsys name 'net' [ 39.066181] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.957597] audit: type=1400 audit(1684234731.757:6): 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 [ 53.070930] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.072908] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.074728] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.077804] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.087227] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.089636] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.489849] ------------[ cut here ]------------ [ 53.490668] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.492856] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.494407] Modules linked in: [ 53.494913] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.499586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.500610] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.501274] 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 [ 53.503498] RSP: 0018:ffff888018c9fc00 EFLAGS: 00010282 [ 53.504158] RAX: 0000000000000000 RBX: ffff88800fb20c40 RCX: 0000000000000000 [ 53.505081] RDX: ffff88800ee98000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.505980] RBP: ffff88800fb20c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.506889] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.507785] R13: ffffffff84e223a0 R14: ffff88800fb20c48 R15: ffffffff84d73340 [ 53.508715] FS: 0000555555ad3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.509726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.510492] CR2: 00007fde85483368 CR3: 0000000010100000 CR4: 0000000000350ef0 [ 53.511401] Call Trace: [ 53.511735] [ 53.512049] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.512705] ipv4_frags_init_net+0x269/0x440 [ 53.513293] ops_init+0xbb/0x6b0 [ 53.513788] setup_net+0x3d9/0x990 [ 53.514251] ? down_read_killable+0x1d7/0x4e0 [ 53.514852] ? __pfx_setup_net+0x10/0x10 [ 53.515402] ? copy_net_ns+0x17c/0x770 [ 53.515924] copy_net_ns+0x321/0x770 [ 53.516450] create_new_namespaces+0x3f6/0xb30 [ 53.517067] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.517735] ksys_unshare+0x44d/0x8e0 [ 53.518235] ? __pfx_ksys_unshare+0x10/0x10 [ 53.518828] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.519586] __x64_sys_unshare+0x31/0x40 [ 53.520112] do_syscall_64+0x3f/0x90 [ 53.520646] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.521496] RIP: 0033:0x7f180dbab0d7 [ 53.522071] 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 [ 53.524857] RSP: 002b:00007ffda055ee38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.526064] RAX: ffffffffffffffda RBX: 00007ffda055f478 RCX: 00007f180dbab0d7 [ 53.527204] RDX: 00007f180dc1541f RSI: 00007ffda055edd0 RDI: 0000000040000000 [ 53.528334] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda055ebe0 [ 53.529481] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f180dcbdbf0 [ 53.530606] R13: 00007ffda055ef10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.531745] [ 53.532130] irq event stamp: 8117 [ 53.532670] hardirqs last enabled at (8129): [] __up_console_sem+0x78/0x80 [ 53.533786] hardirqs last disabled at (8140): [] __up_console_sem+0x5d/0x80 [ 53.534860] softirqs last enabled at (7650): [] irq_exit_rcu+0x93/0xc0 [ 53.535927] softirqs last disabled at (7611): [] irq_exit_rcu+0x93/0xc0 [ 53.537009] ---[ end trace 0000000000000000 ]--- [ 53.542237] ------------[ cut here ]------------ [ 53.542870] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.544723] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.545805] Modules linked in: [ 53.546220] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.547379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.548390] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.549051] 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 [ 53.551241] RSP: 0018:ffff888018c9fc00 EFLAGS: 00010282 [ 53.552050] RAX: 0000000000000000 RBX: ffff88800e7cb640 RCX: 0000000000000000 [ 53.553003] RDX: ffff88800ee98000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.553919] RBP: ffff88800e7cb654 R08: 0000000000000001 R09: 0000000000000000 [ 53.554839] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.555771] R13: ffffffff84e223a0 R14: ffff88800e7cb648 R15: ffffffff84da62e0 [ 53.556701] FS: 0000555555ad3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.557771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.558540] CR2: 00007fde85483368 CR3: 0000000010100000 CR4: 0000000000350ef0 [ 53.559481] Call Trace: [ 53.559827] [ 53.560134] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.560798] ipv6_frags_init_net+0x206/0x3c0 [ 53.561400] ops_init+0xbb/0x6b0 [ 53.561861] setup_net+0x3d9/0x990 [ 53.562353] ? down_read_killable+0x1d7/0x4e0 [ 53.562924] ? __pfx_setup_net+0x10/0x10 [ 53.563466] ? copy_net_ns+0x17c/0x770 [ 53.563984] copy_net_ns+0x321/0x770 [ 53.564509] create_new_namespaces+0x3f6/0xb30 [ 53.565134] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.565805] ksys_unshare+0x44d/0x8e0 [ 53.566345] ? __pfx_ksys_unshare+0x10/0x10 [ 53.566906] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.567662] __x64_sys_unshare+0x31/0x40 [ 53.568195] do_syscall_64+0x3f/0x90 [ 53.568719] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.569418] RIP: 0033:0x7f180dbab0d7 [ 53.569890] 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 [ 53.572075] RSP: 002b:00007ffda055ee38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.573060] RAX: ffffffffffffffda RBX: 00007ffda055f478 RCX: 00007f180dbab0d7 [ 53.573967] RDX: 00007f180dc1541f RSI: 00007ffda055edd0 RDI: 0000000040000000 [ 53.574861] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda055ebe0 [ 53.575766] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f180dcbdbf0 [ 53.576674] R13: 00007ffda055ef10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.577628] [ 53.577942] irq event stamp: 9993 [ 53.578402] hardirqs last enabled at (10005): [] __up_console_sem+0x78/0x80 [ 53.579490] hardirqs last disabled at (10016): [] __up_console_sem+0x5d/0x80 [ 53.580590] softirqs last enabled at (9580): [] irq_exit_rcu+0x93/0xc0 [ 53.581655] softirqs last disabled at (9575): [] irq_exit_rcu+0x93/0xc0 [ 53.582690] ---[ end trace 0000000000000000 ]--- [ 53.583995] ------------[ cut here ]------------ [ 53.584681] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.586784] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.587861] Modules linked in: [ 53.588278] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.589473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.590518] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.591176] 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 [ 53.593397] RSP: 0018:ffff888018c9fbf0 EFLAGS: 00010286 [ 53.594065] RAX: 0000000000000000 RBX: ffff88800e7cae40 RCX: 0000000000000000 [ 53.594972] RDX: ffff88800ee98000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.595878] RBP: ffff88800e7cae54 R08: 0000000000000001 R09: 0000000000000000 [ 53.596809] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.597722] R13: ffffffff84e223a0 R14: ffff88800e7cae48 R15: ffffffff84daf020 [ 53.598644] FS: 0000555555ad3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.599661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.600421] CR2: 00007fde85483368 CR3: 0000000010100000 CR4: 0000000000350ef0 [ 53.601350] Call Trace: [ 53.601690] [ 53.602002] nf_ct_net_init+0x224/0x3d0 [ 53.602580] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.603173] ops_init+0xbb/0x6b0 [ 53.603661] setup_net+0x3d9/0x990 [ 53.604133] ? down_read_killable+0x1d7/0x4e0 [ 53.604747] ? __pfx_setup_net+0x10/0x10 [ 53.605331] ? copy_net_ns+0x17c/0x770 [ 53.605851] copy_net_ns+0x321/0x770 [ 53.606369] create_new_namespaces+0x3f6/0xb30 [ 53.606973] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.607633] ksys_unshare+0x44d/0x8e0 [ 53.608141] ? __pfx_ksys_unshare+0x10/0x10 [ 53.608733] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.609503] __x64_sys_unshare+0x31/0x40 [ 53.610038] do_syscall_64+0x3f/0x90 [ 53.610583] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.611236] RIP: 0033:0x7f180dbab0d7 [ 53.611744] 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 [ 53.613960] RSP: 002b:00007ffda055ee38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.614933] RAX: ffffffffffffffda RBX: 00007ffda055f478 RCX: 00007f180dbab0d7 [ 53.615841] RDX: 00007f180dc1541f RSI: 00007ffda055edd0 RDI: 0000000040000000 [ 53.616761] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda055ebe0 [ 53.617694] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f180dcbdbf0 [ 53.618610] R13: 00007ffda055ef10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.619546] [ 53.619866] irq event stamp: 10771 [ 53.620358] hardirqs last enabled at (10783): [] __up_console_sem+0x78/0x80 [ 53.621473] hardirqs last disabled at (10794): [] __up_console_sem+0x5d/0x80 [ 53.622569] softirqs last enabled at (10456): [] irq_exit_rcu+0x93/0xc0 [ 53.623627] softirqs last disabled at (10451): [] irq_exit_rcu+0x93/0xc0 [ 53.624701] ---[ end trace 0000000000000000 ]--- executing program [ 55.152001] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.199439] Bluetooth: hci0: command 0x041b tx timeout [ 59.247372] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.295427] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:58:51 Registers: info registers vcpu 0 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018c9f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 0000555555ad3400 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=00007fde85483368 CR3=0000000010100000 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=000000000003316b 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=00007f743e699100 CR3=000000000d93c000 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=2033353a38353a30312036312079614d XMM01=5d3635383239342e33352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3635383239342e33352020205b XMM07=79732033353a38353a30312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000