Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:52722' (ECDSA) to the list of known hosts. 2023/05/17 02:08:42 fuzzer started 2023/05/17 02:08:42 dialing manager at localhost:35573 2023/05/17 02:08:42 checking machine... 2023/05/17 02:08:42 checking revisions... syzkaller login: [ 29.874604] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:08:42 testing simple program... [ 29.945941] cgroup: Unknown subsys name 'net' [ 30.020205] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.719546] audit: type=1400 audit(1684289335.648:6): 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 [ 43.814417] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.817176] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.818317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.822230] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.823669] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.826195] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.194255] ------------[ cut here ]------------ [ 44.195016] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.197321] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.198533] Modules linked in: [ 44.199180] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.201223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.203049] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.204040] 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 [ 44.206519] RSP: 0018:ffff8880203c7c00 EFLAGS: 00010282 [ 44.207326] RAX: 0000000000000000 RBX: ffff88800ef2a040 RCX: 0000000000000000 [ 44.208393] RDX: ffff88801cba8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.209460] RBP: ffff88800ef2a054 R08: 0000000000000001 R09: 0000000000000000 [ 44.210507] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.211562] R13: ffffffff84e223a0 R14: ffff88800ef2a048 R15: ffffffff84d73340 [ 44.212601] FS: 0000555556935400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.213775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.214636] CR2: 00007f3af9e4ffb0 CR3: 00000000203be000 CR4: 0000000000350ef0 [ 44.215691] Call Trace: [ 44.216103] [ 44.216453] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.217202] ipv4_frags_init_net+0x269/0x440 [ 44.217887] ops_init+0xbb/0x6b0 [ 44.218405] setup_net+0x3d9/0x990 [ 44.218969] ? down_read_killable+0x1d7/0x4e0 [ 44.219660] ? __pfx_setup_net+0x10/0x10 [ 44.220287] ? copy_net_ns+0x17c/0x770 [ 44.220917] copy_net_ns+0x321/0x770 [ 44.221481] create_new_namespaces+0x3f6/0xb30 [ 44.222210] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.222966] ksys_unshare+0x44d/0x8e0 [ 44.223559] ? __pfx_ksys_unshare+0x10/0x10 [ 44.224243] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.225117] __x64_sys_unshare+0x31/0x40 [ 44.225730] do_syscall_64+0x3f/0x90 [ 44.226330] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.227119] RIP: 0033:0x7f2d5edef0d7 [ 44.227690] 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 [ 44.230262] RSP: 002b:00007ffdb3991878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.231382] RAX: ffffffffffffffda RBX: 00007ffdb3991eb8 RCX: 00007f2d5edef0d7 [ 44.232432] RDX: 00007f2d5ee5941f RSI: 00007ffdb3991810 RDI: 0000000040000000 [ 44.233483] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3991620 [ 44.234523] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2d5ef01bf0 [ 44.235587] R13: 00007ffdb3991950 R14: 0000000000000000 R15: 00000000000000f8 [ 44.236656] [ 44.237038] irq event stamp: 9369 [ 44.237544] hardirqs last enabled at (9379): [] __up_console_sem+0x78/0x80 [ 44.238782] hardirqs last disabled at (9390): [] __up_console_sem+0x5d/0x80 [ 44.240047] softirqs last enabled at (9274): [] irq_exit_rcu+0x93/0xc0 [ 44.241272] softirqs last disabled at (9269): [] irq_exit_rcu+0x93/0xc0 [ 44.242491] ---[ end trace 0000000000000000 ]--- [ 44.248993] ------------[ cut here ]------------ [ 44.249677] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.251401] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.252410] Modules linked in: [ 44.252796] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.253899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.254854] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.255486] 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 [ 44.257517] RSP: 0018:ffff8880203c7c00 EFLAGS: 00010282 [ 44.258162] RAX: 0000000000000000 RBX: ffff8880144f2e40 RCX: 0000000000000000 [ 44.259129] RDX: ffff88801cba8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.260188] RBP: ffff8880144f2e54 R08: 0000000000000001 R09: 0000000000000000 [ 44.261236] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.262276] R13: ffffffff84e223a0 R14: ffff8880144f2e48 R15: ffffffff84da62e0 [ 44.263322] FS: 0000555556935400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.264505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.265372] CR2: 00007f3af9e4ffb0 CR3: 00000000203be000 CR4: 0000000000350ef0 [ 44.266413] Call Trace: [ 44.266798] [ 44.267182] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.267926] ipv6_frags_init_net+0x206/0x3c0 [ 44.268585] ops_init+0xbb/0x6b0 [ 44.269119] setup_net+0x3d9/0x990 [ 44.269631] ? down_read_killable+0x1d7/0x4e0 [ 44.270288] ? __pfx_setup_net+0x10/0x10 [ 44.270896] ? copy_net_ns+0x17c/0x770 [ 44.271469] copy_net_ns+0x321/0x770 [ 44.272044] create_new_namespaces+0x3f6/0xb30 [ 44.272695] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.273449] ksys_unshare+0x44d/0x8e0 [ 44.274027] ? __pfx_ksys_unshare+0x10/0x10 [ 44.274636] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.275490] __x64_sys_unshare+0x31/0x40 [ 44.276104] do_syscall_64+0x3f/0x90 [ 44.276633] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.277405] RIP: 0033:0x7f2d5edef0d7 [ 44.277980] 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 [ 44.280494] RSP: 002b:00007ffdb3991878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.281454] RAX: ffffffffffffffda RBX: 00007ffdb3991eb8 RCX: 00007f2d5edef0d7 [ 44.282336] RDX: 00007f2d5ee5941f RSI: 00007ffdb3991810 RDI: 0000000040000000 [ 44.283229] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3991620 [ 44.284126] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2d5ef01bf0 [ 44.285006] R13: 00007ffdb3991950 R14: 0000000000000000 R15: 00000000000000f8 [ 44.285930] [ 44.286233] irq event stamp: 11119 [ 44.286660] hardirqs last enabled at (11129): [] __up_console_sem+0x78/0x80 [ 44.287750] hardirqs last disabled at (11140): [] __up_console_sem+0x5d/0x80 [ 44.288847] softirqs last enabled at (10368): [] irq_exit_rcu+0x93/0xc0 [ 44.289880] softirqs last disabled at (10349): [] irq_exit_rcu+0x93/0xc0 [ 44.290909] ---[ end trace 0000000000000000 ]--- [ 44.292311] ------------[ cut here ]------------ [ 44.293066] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.295093] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.296160] Modules linked in: [ 44.296568] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.297733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.298744] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.299454] 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 [ 44.301690] RSP: 0018:ffff8880203c7bf0 EFLAGS: 00010286 [ 44.302426] RAX: 0000000000000000 RBX: ffff888016555640 RCX: 0000000000000000 [ 44.303366] RDX: ffff88801cba8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.304275] RBP: ffff888016555654 R08: 0000000000000001 R09: 0000000000000000 [ 44.305175] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.306073] R13: ffffffff84e223a0 R14: ffff888016555648 R15: ffffffff84daf020 [ 44.306988] FS: 0000555556935400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.308048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.308767] CR2: 00007f3af9e4ffb0 CR3: 00000000203be000 CR4: 0000000000350ef0 [ 44.309715] Call Trace: [ 44.310076] [ 44.310381] nf_ct_net_init+0x224/0x3d0 [ 44.310924] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.311509] ops_init+0xbb/0x6b0 [ 44.311996] setup_net+0x3d9/0x990 [ 44.312454] ? down_read_killable+0x1d7/0x4e0 [ 44.313052] ? __pfx_setup_net+0x10/0x10 [ 44.313559] ? copy_net_ns+0x17c/0x770 [ 44.314104] copy_net_ns+0x321/0x770 [ 44.314585] create_new_namespaces+0x3f6/0xb30 [ 44.315204] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.315875] ksys_unshare+0x44d/0x8e0 [ 44.316367] ? __pfx_ksys_unshare+0x10/0x10 [ 44.316956] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.317667] __x64_sys_unshare+0x31/0x40 [ 44.318218] do_syscall_64+0x3f/0x90 [ 44.318693] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.319378] RIP: 0033:0x7f2d5edef0d7 [ 44.319875] 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 [ 44.322039] RSP: 002b:00007ffdb3991878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.322986] RAX: ffffffffffffffda RBX: 00007ffdb3991eb8 RCX: 00007f2d5edef0d7 [ 44.323898] RDX: 00007f2d5ee5941f RSI: 00007ffdb3991810 RDI: 0000000040000000 [ 44.324754] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3991620 [ 44.325639] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2d5ef01bf0 [ 44.326522] R13: 00007ffdb3991950 R14: 0000000000000000 R15: 00000000000000f8 [ 44.327446] [ 44.327748] irq event stamp: 12035 [ 44.328219] hardirqs last enabled at (12047): [] __up_console_sem+0x78/0x80 [ 44.329308] hardirqs last disabled at (12058): [] __up_console_sem+0x5d/0x80 [ 44.330393] softirqs last enabled at (11636): [] irq_exit_rcu+0x93/0xc0 [ 44.331478] softirqs last disabled at (11623): [] irq_exit_rcu+0x93/0xc0 [ 44.332546] ---[ end trace 0000000000000000 ]--- executing program [ 45.839572] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 47.888472] Bluetooth: hci0: command 0x041b tx timeout [ 49.934936] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.982921] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:08:55 Registers: info registers vcpu 0 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880203c7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 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 0000555556935400 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=00007f3af9e4ffb0 CR3=00000000203be000 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=ffffffff877986a0 RBX=dffffc0000000000 RCX=ffffffff812d47fc RDX=0000000000000024 RSI=0000000000000008 RDI=ffffffff87930da8 RBP=ffff8880165f0a18 RSP=ffff888016d0f610 R8 =0000000000000000 R9 =fffffbfff0ef2d38 R10=ffffffff877969c7 R11=1ffffffff0e644ed R12=ffff8880165f0a40 R13=ffff8880165f0a38 R14=ffffffff85d35b6c R15=ffffffff87930d98 RIP=ffffffff812d4730 RFL=00000046 [---Z-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 00007fd01e343700 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=00007f3af9dbfed8 CR3=000000000e806000 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=ffff0000000000000000000000ffff00 XMM02=ffff0000000000000000000000ffff00 XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=00003123203631353033323032000034 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000