syzkaller login: [ 36.886534] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:4319' (ECDSA) to the list of known hosts. 2023/05/17 04:49:06 fuzzer started 2023/05/17 04:49:07 dialing manager at localhost:35573 2023/05/17 04:49:07 checking machine... 2023/05/17 04:49:07 checking revisions... [ 38.189061] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:49:07 testing simple program... [ 38.255736] cgroup: Unknown subsys name 'net' [ 38.345573] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.117721] audit: type=1400 audit(1684298960.431:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.231088] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.232900] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.234334] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.238084] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.240718] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.242833] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.642461] ------------[ cut here ]------------ [ 52.643134] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.645543] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.646735] Modules linked in: [ 52.647238] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.651969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.653131] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.653965] 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 [ 52.656354] RSP: 0018:ffff88800e3ffc00 EFLAGS: 00010282 [ 52.657189] RAX: 0000000000000000 RBX: ffff88800dd1d040 RCX: 0000000000000000 [ 52.658231] RDX: ffff88800ee61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.659312] RBP: ffff88800dd1d054 R08: 0000000000000001 R09: 0000000000000000 [ 52.660334] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.661324] R13: ffffffff84e223a0 R14: ffff88800dd1d048 R15: ffffffff84d73340 [ 52.662278] FS: 00005555570aa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.663331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.664113] CR2: 00007f41082ab6f4 CR3: 000000000eadc000 CR4: 0000000000350ef0 [ 52.665116] Call Trace: [ 52.665475] [ 52.665819] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.666477] ipv4_frags_init_net+0x269/0x440 [ 52.667104] ops_init+0xbb/0x6b0 [ 52.667590] setup_net+0x3d9/0x990 [ 52.668105] ? down_read_killable+0x1d7/0x4e0 [ 52.668712] ? __pfx_setup_net+0x10/0x10 [ 52.669311] ? copy_net_ns+0x17c/0x770 [ 52.669885] copy_net_ns+0x321/0x770 [ 52.670394] create_new_namespaces+0x3f6/0xb30 [ 52.671051] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.671708] ksys_unshare+0x44d/0x8e0 [ 52.672265] ? __pfx_ksys_unshare+0x10/0x10 [ 52.672879] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.673682] __x64_sys_unshare+0x31/0x40 [ 52.674281] do_syscall_64+0x3f/0x90 [ 52.674818] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.675504] RIP: 0033:0x7f3e6e1250d7 [ 52.676060] 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 [ 52.678458] RSP: 002b:00007ffddf7bd068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.679479] RAX: ffffffffffffffda RBX: 00007ffddf7bd6a8 RCX: 00007f3e6e1250d7 [ 52.680418] RDX: 00007f3e6e18f41f RSI: 00007ffddf7bd000 RDI: 0000000040000000 [ 52.681403] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddf7bce10 [ 52.682351] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e6e237bf0 [ 52.683303] R13: 00007ffddf7bd140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.684266] [ 52.684582] irq event stamp: 9181 [ 52.685119] hardirqs last enabled at (9193): [] __up_console_sem+0x78/0x80 [ 52.686256] hardirqs last disabled at (9204): [] __up_console_sem+0x5d/0x80 [ 52.687394] softirqs last enabled at (9106): [] irq_exit_rcu+0x93/0xc0 [ 52.688488] softirqs last disabled at (9101): [] irq_exit_rcu+0x93/0xc0 [ 52.689628] ---[ end trace 0000000000000000 ]--- [ 52.695366] ------------[ cut here ]------------ [ 52.696346] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.698161] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.699239] Modules linked in: [ 52.699647] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.700838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.701893] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.702544] 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 [ 52.704771] RSP: 0018:ffff88800e3ffc00 EFLAGS: 00010282 [ 52.705477] RAX: 0000000000000000 RBX: ffff8880145bac40 RCX: 0000000000000000 [ 52.706449] RDX: ffff88800ee61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.707405] RBP: ffff8880145bac54 R08: 0000000000000001 R09: 0000000000000000 [ 52.708364] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.709369] R13: ffffffff84e223a0 R14: ffff8880145bac48 R15: ffffffff84da62e0 [ 52.710337] FS: 00005555570aa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.711416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.712224] CR2: 00007f41082ab6f4 CR3: 000000000eadc000 CR4: 0000000000350ef0 [ 52.713222] Call Trace: [ 52.713564] [ 52.713918] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.714563] ipv6_frags_init_net+0x206/0x3c0 [ 52.715197] ops_init+0xbb/0x6b0 [ 52.715671] setup_net+0x3d9/0x990 [ 52.716177] ? down_read_killable+0x1d7/0x4e0 [ 52.716813] ? __pfx_setup_net+0x10/0x10 [ 52.717392] ? copy_net_ns+0x17c/0x770 [ 52.717964] copy_net_ns+0x321/0x770 [ 52.718477] create_new_namespaces+0x3f6/0xb30 [ 52.719132] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.719812] ksys_unshare+0x44d/0x8e0 [ 52.720328] ? __pfx_ksys_unshare+0x10/0x10 [ 52.720989] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.721798] __x64_sys_unshare+0x31/0x40 [ 52.722356] do_syscall_64+0x3f/0x90 [ 52.722894] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.723575] RIP: 0033:0x7f3e6e1250d7 [ 52.724101] 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 [ 52.726509] RSP: 002b:00007ffddf7bd068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.727512] RAX: ffffffffffffffda RBX: 00007ffddf7bd6a8 RCX: 00007f3e6e1250d7 [ 52.728462] RDX: 00007f3e6e18f41f RSI: 00007ffddf7bd000 RDI: 0000000040000000 [ 52.729440] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddf7bce10 [ 52.730406] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e6e237bf0 [ 52.731357] R13: 00007ffddf7bd140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.732339] [ 52.732662] irq event stamp: 11015 [ 52.733208] hardirqs last enabled at (11027): [] __up_console_sem+0x78/0x80 [ 52.734359] hardirqs last disabled at (11038): [] __up_console_sem+0x5d/0x80 [ 52.735525] softirqs last enabled at (10854): [] irq_exit_rcu+0x93/0xc0 [ 52.736642] softirqs last disabled at (10845): [] irq_exit_rcu+0x93/0xc0 [ 52.737792] ---[ end trace 0000000000000000 ]--- [ 52.739137] ------------[ cut here ]------------ [ 52.739789] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.742200] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.743585] Modules linked in: [ 52.744157] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.745732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.747088] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.747971] 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 [ 52.750888] RSP: 0018:ffff88800e3ffbf0 EFLAGS: 00010286 [ 52.751732] RAX: 0000000000000000 RBX: ffff8880145bb240 RCX: 0000000000000000 [ 52.752928] RDX: ffff88800ee61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.754105] RBP: ffff8880145bb254 R08: 0000000000000001 R09: 0000000000000000 [ 52.755284] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.756405] R13: ffffffff84e223a0 R14: ffff8880145bb248 R15: ffffffff84daf020 [ 52.757478] FS: 00005555570aa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.758505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.759262] CR2: 00007f41082ab6f4 CR3: 000000000eadc000 CR4: 0000000000350ef0 [ 52.760179] Call Trace: [ 52.760517] [ 52.760855] nf_ct_net_init+0x224/0x3d0 [ 52.761401] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.762016] ops_init+0xbb/0x6b0 [ 52.762473] setup_net+0x3d9/0x990 [ 52.762971] ? down_read_killable+0x1d7/0x4e0 [ 52.763553] ? __pfx_setup_net+0x10/0x10 [ 52.764111] ? copy_net_ns+0x17c/0x770 [ 52.764633] copy_net_ns+0x321/0x770 [ 52.765172] create_new_namespaces+0x3f6/0xb30 [ 52.765803] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.766428] ksys_unshare+0x44d/0x8e0 [ 52.766960] ? __pfx_ksys_unshare+0x10/0x10 [ 52.767522] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.768289] __x64_sys_unshare+0x31/0x40 [ 52.768852] do_syscall_64+0x3f/0x90 [ 52.769355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.770055] RIP: 0033:0x7f3e6e1250d7 [ 52.770537] 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 [ 52.772731] RSP: 002b:00007ffddf7bd068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.773704] RAX: ffffffffffffffda RBX: 00007ffddf7bd6a8 RCX: 00007f3e6e1250d7 [ 52.774606] RDX: 00007f3e6e18f41f RSI: 00007ffddf7bd000 RDI: 0000000040000000 [ 52.775523] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddf7bce10 [ 52.776440] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e6e237bf0 [ 52.777359] R13: 00007ffddf7bd140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.778317] [ 52.778620] irq event stamp: 11771 [ 52.779089] hardirqs last enabled at (11783): [] __up_console_sem+0x78/0x80 [ 52.780174] hardirqs last disabled at (11794): [] __up_console_sem+0x5d/0x80 [ 52.781291] softirqs last enabled at (11686): [] irq_exit_rcu+0x93/0xc0 [ 52.782355] softirqs last disabled at (11681): [] irq_exit_rcu+0x93/0xc0 [ 52.783435] ---[ end trace 0000000000000000 ]--- executing program [ 54.313401] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.360802] Bluetooth: hci0: command 0x041b tx timeout [ 58.410035] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.456828] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:49:19 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800e3ff5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555570aa400 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=00007f41082ab6f4 CR3=000000000eadc000 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=000000000002d547 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=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 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=00007f9bab7c1780 CR3=00000000160d2000 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=80d9a1538ff26c9c62416e2d6aed204e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=fac48f1f94d84127000000000013bdd0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=93c9648cdcdc8ad000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000