syzkaller login: [ 85.251826] sshd (219) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29587' (ECDSA) to the list of known hosts. 2023/05/18 10:11:24 fuzzer started 2023/05/18 10:11:24 dialing manager at localhost:44319 2023/05/18 10:11:24 checking machine... 2023/05/18 10:11:24 checking revisions... [ 86.964107] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:11:24 testing simple program... [ 87.044421] cgroup: Unknown subsys name 'net' [ 87.088514] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 98.182615] audit: type=1400 audit(1684404695.938:6): 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 executing program [ 99.338835] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.341300] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.344623] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.349314] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.361129] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 99.362562] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.783608] ------------[ cut here ]------------ [ 99.784212] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 99.785767] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 99.786845] Modules linked in: [ 99.787244] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 99.789090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 99.792266] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 99.792953] 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 [ 99.795215] RSP: 0018:ffff88800c927c00 EFLAGS: 00010282 [ 99.795941] RAX: 0000000000000000 RBX: ffff88800dd54040 RCX: 0000000000000000 [ 99.796843] RDX: ffff88800dbc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 99.797773] RBP: ffff88800dd54054 R08: 0000000000000001 R09: 0000000000000000 [ 99.798682] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 99.799570] R13: ffffffff84e23fe0 R14: ffff88800dd54048 R15: ffffffff84d74dc0 [ 99.800464] FS: 0000555555a6f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 99.801465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.802198] CR2: 00007f5ed4a0d000 CR3: 00000000159d2000 CR4: 0000000000350ef0 [ 99.803124] Call Trace: [ 99.803495] [ 99.803800] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 99.804462] ipv4_frags_init_net+0x269/0x440 [ 99.805042] ops_init+0xbb/0x6b0 [ 99.805531] setup_net+0x3d9/0x990 [ 99.805988] ? down_read_killable+0x1d7/0x4e0 [ 99.806625] ? __pfx_setup_net+0x10/0x10 [ 99.807144] ? copy_net_ns+0x17c/0x770 [ 99.807700] copy_net_ns+0x321/0x770 [ 99.808197] create_new_namespaces+0x3f6/0xb30 [ 99.808830] unshare_nsproxy_namespaces+0xc1/0x200 [ 99.809485] ksys_unshare+0x44d/0x8e0 [ 99.809988] ? __pfx_ksys_unshare+0x10/0x10 [ 99.810596] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 99.811313] __x64_sys_unshare+0x31/0x40 [ 99.811866] do_syscall_64+0x3f/0x90 [ 99.812393] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 99.813055] RIP: 0033:0x7f3e93c120d7 [ 99.813543] 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 [ 99.815737] RSP: 002b:00007ffc9be46af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 99.816715] RAX: ffffffffffffffda RBX: 00007ffc9be47138 RCX: 00007f3e93c120d7 [ 99.817617] RDX: 00007f3e93c7c41f RSI: 00007ffc9be46a90 RDI: 0000000040000000 [ 99.818523] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9be468a0 [ 99.819431] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e93d24bf0 [ 99.820290] R13: 00007ffc9be46bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 99.821219] [ 99.821557] irq event stamp: 8341 [ 99.821998] hardirqs last enabled at (8351): [] __up_console_sem+0x78/0x80 [ 99.823067] hardirqs last disabled at (8362): [] __up_console_sem+0x5d/0x80 [ 99.824143] softirqs last enabled at (8180): [] irq_exit_rcu+0x93/0xc0 [ 99.825186] softirqs last disabled at (8175): [] irq_exit_rcu+0x93/0xc0 [ 99.826245] ---[ end trace 0000000000000000 ]--- [ 99.832243] ------------[ cut here ]------------ [ 99.832844] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 99.834505] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 99.835578] Modules linked in: [ 99.835979] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 99.837164] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 99.838240] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 99.838929] 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 [ 99.841159] RSP: 0018:ffff88800c927c00 EFLAGS: 00010282 [ 99.841855] RAX: 0000000000000000 RBX: ffff888016519c40 RCX: 0000000000000000 [ 99.842781] RDX: ffff88800dbc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 99.843688] RBP: ffff888016519c54 R08: 0000000000000001 R09: 0000000000000000 [ 99.844604] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 99.845497] R13: ffffffff84e23fe0 R14: ffff888016519c48 R15: ffffffff84da7d60 [ 99.846377] FS: 0000555555a6f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 99.847219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.847869] CR2: 00007f5ed4a0d000 CR3: 00000000159d2000 CR4: 0000000000350ef0 [ 99.848618] Call Trace: [ 99.848898] [ 99.849138] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 99.849665] ipv6_frags_init_net+0x206/0x3c0 [ 99.850132] ops_init+0xbb/0x6b0 [ 99.850545] setup_net+0x3d9/0x990 [ 99.850934] ? down_read_killable+0x1d7/0x4e0 [ 99.851441] ? __pfx_setup_net+0x10/0x10 [ 99.851872] ? copy_net_ns+0x17c/0x770 [ 99.852293] copy_net_ns+0x321/0x770 [ 99.852710] create_new_namespaces+0x3f6/0xb30 [ 99.853198] unshare_nsproxy_namespaces+0xc1/0x200 [ 99.853735] ksys_unshare+0x44d/0x8e0 [ 99.854159] ? __pfx_ksys_unshare+0x10/0x10 [ 99.854648] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 99.855219] __x64_sys_unshare+0x31/0x40 [ 99.855665] do_syscall_64+0x3f/0x90 [ 99.856051] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 99.856596] RIP: 0033:0x7f3e93c120d7 [ 99.856967] 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 [ 99.858776] RSP: 002b:00007ffc9be46af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 99.859568] RAX: ffffffffffffffda RBX: 00007ffc9be47138 RCX: 00007f3e93c120d7 [ 99.860295] RDX: 00007f3e93c7c41f RSI: 00007ffc9be46a90 RDI: 0000000040000000 [ 99.861030] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9be468a0 [ 99.861776] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e93d24bf0 [ 99.862530] R13: 00007ffc9be46bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 99.863262] [ 99.863535] irq event stamp: 10343 [ 99.863898] hardirqs last enabled at (10353): [] __up_console_sem+0x78/0x80 [ 99.864763] hardirqs last disabled at (10364): [] __up_console_sem+0x5d/0x80 [ 99.865648] softirqs last enabled at (9886): [] irq_exit_rcu+0x93/0xc0 [ 99.866504] softirqs last disabled at (9877): [] irq_exit_rcu+0x93/0xc0 [ 99.867346] ---[ end trace 0000000000000000 ]--- [ 99.868454] ------------[ cut here ]------------ [ 99.868939] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 99.870571] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 99.871426] Modules linked in: [ 99.871757] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 99.872696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 99.873515] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 99.874038] 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 [ 99.875849] RSP: 0018:ffff88800c927bf0 EFLAGS: 00010286 [ 99.876408] RAX: 0000000000000000 RBX: ffff888016518640 RCX: 0000000000000000 [ 99.877126] RDX: ffff88800dbc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 99.877894] RBP: ffff888016518654 R08: 0000000000000001 R09: 0000000000000000 [ 99.878647] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 99.879388] R13: ffffffff84e23fe0 R14: ffff888016518648 R15: ffffffff84db0aa0 [ 99.880111] FS: 0000555555a6f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 99.880947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.881535] CR2: 00007f5ed4a0d000 CR3: 00000000159d2000 CR4: 0000000000350ef0 [ 99.882158] Call Trace: [ 99.882413] [ 99.882625] nf_ct_net_init+0x224/0x3d0 [ 99.882988] ? __pfx_nf_ct_net_init+0x10/0x10 [ 99.883426] ops_init+0xbb/0x6b0 [ 99.883744] setup_net+0x3d9/0x990 [ 99.884067] ? down_read_killable+0x1d7/0x4e0 [ 99.884500] ? __pfx_setup_net+0x10/0x10 [ 99.884860] ? copy_net_ns+0x17c/0x770 [ 99.885225] copy_net_ns+0x321/0x770 [ 99.885594] create_new_namespaces+0x3f6/0xb30 [ 99.886014] unshare_nsproxy_namespaces+0xc1/0x200 [ 99.886466] ksys_unshare+0x44d/0x8e0 [ 99.886806] ? __pfx_ksys_unshare+0x10/0x10 [ 99.887177] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 99.887686] __x64_sys_unshare+0x31/0x40 [ 99.888042] do_syscall_64+0x3f/0x90 [ 99.888388] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 99.888828] RIP: 0033:0x7f3e93c120d7 [ 99.889146] 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 [ 99.890639] RSP: 002b:00007ffc9be46af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 99.891269] RAX: ffffffffffffffda RBX: 00007ffc9be47138 RCX: 00007f3e93c120d7 [ 99.891872] RDX: 00007f3e93c7c41f RSI: 00007ffc9be46a90 RDI: 0000000040000000 [ 99.892474] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9be468a0 [ 99.893056] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3e93d24bf0 [ 99.893660] R13: 00007ffc9be46bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 99.894272] [ 99.894499] irq event stamp: 11101 [ 99.894801] hardirqs last enabled at (11111): [] __up_console_sem+0x78/0x80 [ 99.895528] hardirqs last disabled at (11122): [] __up_console_sem+0x5d/0x80 [ 99.896227] softirqs last enabled at (10872): [] irq_exit_rcu+0x93/0xc0 [ 99.896923] softirqs last disabled at (10859): [] irq_exit_rcu+0x93/0xc0 [ 99.897632] ---[ end trace 0000000000000000 ]--- [ 101.421022] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 103.468400] Bluetooth: hci0: command 0x041b tx timeout executing program [ 105.516400] Bluetooth: hci0: command 0x040f tx timeout [ 107.564402] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:10:46 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800c9275f8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff87f2dbc0 R14=ffffffff87f2dc10 R15=ffffffff87f2de78 RIP=ffffffff82507fdd 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 0000555555a6f400 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=00007f5ed4a0d000 CR3=00000000159d2000 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=000000000002c829 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f5ed4967730 CR3=000000000e9da000 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=2037333a31313a30312038312079614d XMM01=5d3434323738372e39392020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000