syzkaller login: [ 56.441126] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:58003' (ECDSA) to the list of known hosts. 2023/05/17 05:32:23 fuzzer started 2023/05/17 05:32:24 dialing manager at localhost:35573 2023/05/17 05:32:24 checking machine... 2023/05/17 05:32:24 checking revisions... [ 58.552167] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:32:24 testing simple program... [ 58.609132] cgroup: Unknown subsys name 'net' [ 58.686647] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 72.924688] audit: type=1400 audit(1684301558.695:6): 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 [ 74.093632] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.095523] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.098255] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.101933] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.104690] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.105865] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.513814] ------------[ cut here ]------------ [ 74.514479] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 74.516250] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.517398] Modules linked in: [ 74.517817] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.522659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.523813] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.524630] 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 [ 74.526988] RSP: 0018:ffff88801f437c00 EFLAGS: 00010282 [ 74.527791] RAX: 0000000000000000 RBX: ffff88800e31c040 RCX: 0000000000000000 [ 74.528843] RDX: ffff88800dea51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.529866] RBP: ffff88800e31c054 R08: 0000000000000001 R09: 0000000000000000 [ 74.530877] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 74.531917] R13: ffffffff84e223a0 R14: ffff88800e31c048 R15: ffffffff84d73340 [ 74.532967] FS: 000055555686d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.534134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.535000] CR2: 00007f5966c386f4 CR3: 000000000d7ca000 CR4: 0000000000350ee0 [ 74.536011] Call Trace: [ 74.536501] [ 74.536817] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 74.537577] ipv4_frags_init_net+0x269/0x440 [ 74.538165] ops_init+0xbb/0x6b0 [ 74.538741] setup_net+0x3d9/0x990 [ 74.539214] ? down_read_killable+0x1d7/0x4e0 [ 74.539979] ? __pfx_setup_net+0x10/0x10 [ 74.540686] ? copy_net_ns+0x17c/0x770 [ 74.541225] copy_net_ns+0x321/0x770 [ 74.541856] create_new_namespaces+0x3f6/0xb30 [ 74.542631] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.543273] ksys_unshare+0x44d/0x8e0 [ 74.543979] ? __pfx_ksys_unshare+0x10/0x10 [ 74.544672] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.545458] __x64_sys_unshare+0x31/0x40 [ 74.546005] do_syscall_64+0x3f/0x90 [ 74.546541] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.547214] RIP: 0033:0x7f757eb670d7 [ 74.547732] 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 [ 74.550032] RSP: 002b:00007ffdd8732458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.551043] RAX: ffffffffffffffda RBX: 00007ffdd8732a98 RCX: 00007f757eb670d7 [ 74.551989] RDX: 00007f757ebd141f RSI: 00007ffdd87323f0 RDI: 0000000040000000 [ 74.552941] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8732200 [ 74.553860] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f757ec79bf0 [ 74.554793] R13: 00007ffdd8732530 R14: 0000000000000000 R15: 00000000000000f8 [ 74.555759] [ 74.556074] irq event stamp: 9017 [ 74.556575] hardirqs last enabled at (9029): [] __up_console_sem+0x78/0x80 [ 74.557702] hardirqs last disabled at (9040): [] __up_console_sem+0x5d/0x80 [ 74.558830] softirqs last enabled at (8856): [] irq_exit_rcu+0x93/0xc0 [ 74.559928] softirqs last disabled at (8829): [] irq_exit_rcu+0x93/0xc0 [ 74.561021] ---[ end trace 0000000000000000 ]--- [ 74.566063] ------------[ cut here ]------------ [ 74.566976] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 74.568741] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.569860] Modules linked in: [ 74.570289] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.571505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.572590] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.573273] 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 [ 74.575567] RSP: 0018:ffff88801f437c00 EFLAGS: 00010282 [ 74.576260] RAX: 0000000000000000 RBX: ffff88800ef4ae40 RCX: 0000000000000000 [ 74.577210] RDX: ffff88800dea51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.578141] RBP: ffff88800ef4ae54 R08: 0000000000000001 R09: 0000000000000000 [ 74.579070] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 74.580022] R13: ffffffff84e223a0 R14: ffff88800ef4ae48 R15: ffffffff84da62e0 [ 74.580978] FS: 000055555686d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.582035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.582831] CR2: 00007f5966c386f4 CR3: 000000000d7ca000 CR4: 0000000000350ee0 [ 74.583772] Call Trace: [ 74.584113] [ 74.584478] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 74.585136] ipv6_frags_init_net+0x206/0x3c0 [ 74.585749] ops_init+0xbb/0x6b0 [ 74.586214] setup_net+0x3d9/0x990 [ 74.586730] ? down_read_killable+0x1d7/0x4e0 [ 74.587322] ? __pfx_setup_net+0x10/0x10 [ 74.587895] ? copy_net_ns+0x17c/0x770 [ 74.588473] copy_net_ns+0x321/0x770 [ 74.588972] create_new_namespaces+0x3f6/0xb30 [ 74.589618] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.590268] ksys_unshare+0x44d/0x8e0 [ 74.590810] ? __pfx_ksys_unshare+0x10/0x10 [ 74.591416] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.592157] __x64_sys_unshare+0x31/0x40 [ 74.592766] do_syscall_64+0x3f/0x90 [ 74.593259] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.593967] RIP: 0033:0x7f757eb670d7 [ 74.594490] 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 [ 74.596788] RSP: 002b:00007ffdd8732458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.597788] RAX: ffffffffffffffda RBX: 00007ffdd8732a98 RCX: 00007f757eb670d7 [ 74.598722] RDX: 00007f757ebd141f RSI: 00007ffdd87323f0 RDI: 0000000040000000 [ 74.599657] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8732200 [ 74.600609] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f757ec79bf0 [ 74.601536] R13: 00007ffdd8732530 R14: 0000000000000000 R15: 00000000000000f8 [ 74.602493] [ 74.602805] irq event stamp: 10841 [ 74.603252] hardirqs last enabled at (10851): [] __up_console_sem+0x78/0x80 [ 74.604387] hardirqs last disabled at (10862): [] __up_console_sem+0x5d/0x80 [ 74.605548] softirqs last enabled at (10736): [] irq_exit_rcu+0x93/0xc0 [ 74.606652] softirqs last disabled at (10731): [] irq_exit_rcu+0x93/0xc0 [ 74.607773] ---[ end trace 0000000000000000 ]--- [ 74.609167] ------------[ cut here ]------------ [ 74.609826] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 74.611784] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.612916] Modules linked in: [ 74.613334] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.614581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.615664] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.616348] 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 [ 74.618666] RSP: 0018:ffff88801f437bf0 EFLAGS: 00010286 [ 74.619391] RAX: 0000000000000000 RBX: ffff88800ef4a640 RCX: 0000000000000000 [ 74.620290] RDX: ffff88800dea51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.621239] RBP: ffff88800ef4a654 R08: 0000000000000001 R09: 0000000000000000 [ 74.622175] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 74.623126] R13: ffffffff84e223a0 R14: ffff88800ef4a648 R15: ffffffff84daf020 [ 74.624080] FS: 000055555686d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.625165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.625952] CR2: 00007f5966c386f4 CR3: 000000000d7ca000 CR4: 0000000000350ee0 [ 74.626912] Call Trace: [ 74.627259] [ 74.627607] nf_ct_net_init+0x224/0x3d0 [ 74.628144] ? __pfx_nf_ct_net_init+0x10/0x10 [ 74.628793] ops_init+0xbb/0x6b0 [ 74.629258] setup_net+0x3d9/0x990 [ 74.629766] ? down_read_killable+0x1d7/0x4e0 [ 74.630394] ? __pfx_setup_net+0x10/0x10 [ 74.630922] ? copy_net_ns+0x17c/0x770 [ 74.631487] copy_net_ns+0x321/0x770 [ 74.631998] create_new_namespaces+0x3f6/0xb30 [ 74.632665] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.633322] ksys_unshare+0x44d/0x8e0 [ 74.633868] ? __pfx_ksys_unshare+0x10/0x10 [ 74.634484] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.635228] __x64_sys_unshare+0x31/0x40 [ 74.635808] do_syscall_64+0x3f/0x90 [ 74.636311] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.637016] RIP: 0033:0x7f757eb670d7 [ 74.637533] 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 [ 74.639798] RSP: 002b:00007ffdd8732458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.640818] RAX: ffffffffffffffda RBX: 00007ffdd8732a98 RCX: 00007f757eb670d7 [ 74.641753] RDX: 00007f757ebd141f RSI: 00007ffdd87323f0 RDI: 0000000040000000 [ 74.642705] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8732200 [ 74.643658] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f757ec79bf0 [ 74.644623] R13: 00007ffdd8732530 R14: 0000000000000000 R15: 00000000000000f8 [ 74.645583] [ 74.645903] irq event stamp: 11625 [ 74.646389] hardirqs last enabled at (11637): [] __up_console_sem+0x78/0x80 [ 74.647519] hardirqs last disabled at (11648): [] __up_console_sem+0x5d/0x80 [ 74.648671] softirqs last enabled at (10736): [] irq_exit_rcu+0x93/0xc0 [ 74.649779] softirqs last disabled at (10731): [] irq_exit_rcu+0x93/0xc0 [ 74.650889] ---[ end trace 0000000000000000 ]--- [ 76.177140] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 78.224442] Bluetooth: hci0: command 0x041b tx timeout executing program [ 80.272426] Bluetooth: hci0: command 0x040f tx timeout [ 82.320515] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:32:26 Registers: info registers vcpu 0 RAX=000000000002c08d RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007fe89839f000 CR3=000000000d9fc000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203a4944522032666132373131386600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f4375f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 000055555686d400 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=00007f5966c386f4 CR3=000000000d7ca000 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