Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33019' (ECDSA) to the list of known hosts. 2023/05/16 11:06:43 fuzzer started 2023/05/16 11:06:43 dialing manager at localhost:35573 2023/05/16 11:06:43 checking machine... 2023/05/16 11:06:43 checking revisions... syzkaller login: [ 42.600278] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:06:44 testing simple program... [ 42.668717] cgroup: Unknown subsys name 'net' [ 42.729269] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.910304] audit: type=1400 audit(1684235217.387:6): 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 [ 57.015761] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.017892] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.019060] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.029968] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.032119] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.033622] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.401625] ------------[ cut here ]------------ [ 57.402331] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.404045] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.405131] Modules linked in: [ 57.405562] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.410780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.411803] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.412444] 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 [ 57.414659] RSP: 0018:ffff888016cf7c00 EFLAGS: 00010282 [ 57.415317] RAX: 0000000000000000 RBX: ffff88800d707040 RCX: 0000000000000000 [ 57.416218] RDX: ffff88800684d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.417115] RBP: ffff88800d707054 R08: 0000000000000001 R09: 0000000000000000 [ 57.418008] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.418890] R13: ffffffff84e223a0 R14: ffff88800d707048 R15: ffffffff84d73340 [ 57.419779] FS: 0000555555879400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.420791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.421582] CR2: 00007f8c1e261b20 CR3: 000000001a0d2000 CR4: 0000000000350ee0 [ 57.422452] Call Trace: [ 57.422814] [ 57.423119] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.423772] ipv4_frags_init_net+0x269/0x440 [ 57.424328] ops_init+0xbb/0x6b0 [ 57.424804] setup_net+0x3d9/0x990 [ 57.425269] ? down_read_killable+0x1d7/0x4e0 [ 57.425866] ? __pfx_setup_net+0x10/0x10 [ 57.426385] ? copy_net_ns+0x17c/0x770 [ 57.426916] copy_net_ns+0x321/0x770 [ 57.427418] create_new_namespaces+0x3f6/0xb30 [ 57.428044] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.428696] ksys_unshare+0x44d/0x8e0 [ 57.429207] ? __pfx_ksys_unshare+0x10/0x10 [ 57.429784] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.430541] __x64_sys_unshare+0x31/0x40 [ 57.431063] do_syscall_64+0x3f/0x90 [ 57.431570] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.432213] RIP: 0033:0x7f1b0f2b50d7 [ 57.432714] 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 [ 57.434905] RSP: 002b:00007ffe86da12b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.435878] RAX: ffffffffffffffda RBX: 00007ffe86da18f8 RCX: 00007f1b0f2b50d7 [ 57.436769] RDX: 00007f1b0f31f41f RSI: 00007ffe86da1250 RDI: 0000000040000000 [ 57.437694] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe86da1060 [ 57.438598] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1b0f3c7bf0 [ 57.439505] R13: 00007ffe86da1390 R14: 0000000000000000 R15: 00000000000000f8 [ 57.440389] [ 57.440723] irq event stamp: 7561 [ 57.441172] hardirqs last enabled at (7571): [] __up_console_sem+0x78/0x80 [ 57.442229] hardirqs last disabled at (7582): [] __up_console_sem+0x5d/0x80 [ 57.443286] softirqs last enabled at (7006): [] irq_exit_rcu+0x93/0xc0 [ 57.444339] softirqs last disabled at (7001): [] irq_exit_rcu+0x93/0xc0 [ 57.445373] ---[ end trace 0000000000000000 ]--- [ 57.450441] ------------[ cut here ]------------ [ 57.451053] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.452736] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.453802] Modules linked in: [ 57.454207] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.455376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.456381] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.457067] 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 [ 57.459262] RSP: 0018:ffff888016cf7c00 EFLAGS: 00010282 [ 57.459944] RAX: 0000000000000000 RBX: ffff88800d958440 RCX: 0000000000000000 executing program [ 57.460857] RDX: ffff88800684d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.461957] RBP: ffff88800d958454 R08: 0000000000000001 R09: 0000000000000000 [ 57.462854] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.463740] R13: ffffffff84e223a0 R14: ffff88800d958448 R15: ffffffff84da62e0 [ 57.464633] FS: 0000555555879400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.465635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.466344] CR2: 00007f8c1e261b20 CR3: 000000001a0d2000 CR4: 0000000000350ee0 [ 57.467253] Call Trace: [ 57.467613] [ 57.467914] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.468564] ipv6_frags_init_net+0x206/0x3c0 [ 57.469168] ops_init+0xbb/0x6b0 [ 57.469653] setup_net+0x3d9/0x990 [ 57.470120] ? down_read_killable+0x1d7/0x4e0 [ 57.470731] ? __pfx_setup_net+0x10/0x10 [ 57.471255] ? copy_net_ns+0x17c/0x770 [ 57.471786] copy_net_ns+0x321/0x770 [ 57.472283] create_new_namespaces+0x3f6/0xb30 [ 57.472897] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.473558] ksys_unshare+0x44d/0x8e0 [ 57.474055] ? __pfx_ksys_unshare+0x10/0x10 [ 57.474637] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.475358] __x64_sys_unshare+0x31/0x40 [ 57.475902] do_syscall_64+0x3f/0x90 [ 57.476382] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.477053] RIP: 0033:0x7f1b0f2b50d7 [ 57.477555] 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 [ 57.479727] RSP: 002b:00007ffe86da12b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.480701] RAX: ffffffffffffffda RBX: 00007ffe86da18f8 RCX: 00007f1b0f2b50d7 [ 57.481632] RDX: 00007f1b0f31f41f RSI: 00007ffe86da1250 RDI: 0000000040000000 [ 57.482538] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe86da1060 [ 57.483407] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1b0f3c7bf0 [ 57.484311] R13: 00007ffe86da1390 R14: 0000000000000000 R15: 00000000000000f8 [ 57.485247] [ 57.485590] irq event stamp: 9273 [ 57.486026] hardirqs last enabled at (9283): [] __up_console_sem+0x78/0x80 [ 57.487090] hardirqs last disabled at (9294): [] __up_console_sem+0x5d/0x80 [ 57.488171] softirqs last enabled at (8842): [] irq_exit_rcu+0x93/0xc0 [ 57.489222] softirqs last disabled at (8837): [] irq_exit_rcu+0x93/0xc0 [ 57.490267] ---[ end trace 0000000000000000 ]--- [ 57.491614] ------------[ cut here ]------------ [ 57.492200] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.494300] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.495373] Modules linked in: [ 57.495802] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.496969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.497988] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.498649] 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 [ 57.500826] RSP: 0018:ffff888016cf7bf0 EFLAGS: 00010286 [ 57.501524] RAX: 0000000000000000 RBX: ffff88800d959e40 RCX: 0000000000000000 [ 57.502387] RDX: ffff88800684d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.503278] RBP: ffff88800d959e54 R08: 0000000000000001 R09: 0000000000000000 [ 57.504170] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.505070] R13: ffffffff84e223a0 R14: ffff88800d959e48 R15: ffffffff84daf020 [ 57.505956] FS: 0000555555879400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.506954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.507682] CR2: 00007f8c1e261b20 CR3: 000000001a0d2000 CR4: 0000000000350ee0 [ 57.508578] Call Trace: [ 57.508905] [ 57.509222] nf_ct_net_init+0x224/0x3d0 [ 57.509763] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.510338] ops_init+0xbb/0x6b0 [ 57.510807] setup_net+0x3d9/0x990 [ 57.511257] ? down_read_killable+0x1d7/0x4e0 [ 57.511848] ? __pfx_setup_net+0x10/0x10 [ 57.512357] ? copy_net_ns+0x17c/0x770 [ 57.512884] copy_net_ns+0x321/0x770 [ 57.513371] create_new_namespaces+0x3f6/0xb30 [ 57.513981] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.514621] ksys_unshare+0x44d/0x8e0 [ 57.515111] ? __pfx_ksys_unshare+0x10/0x10 [ 57.515693] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.516399] __x64_sys_unshare+0x31/0x40 [ 57.516939] do_syscall_64+0x3f/0x90 [ 57.517437] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.518102] RIP: 0033:0x7f1b0f2b50d7 [ 57.518595] 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 [ 57.520772] RSP: 002b:00007ffe86da12b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.521743] RAX: ffffffffffffffda RBX: 00007ffe86da18f8 RCX: 00007f1b0f2b50d7 [ 57.522634] RDX: 00007f1b0f31f41f RSI: 00007ffe86da1250 RDI: 0000000040000000 [ 57.523518] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe86da1060 [ 57.524376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1b0f3c7bf0 [ 57.525274] R13: 00007ffe86da1390 R14: 0000000000000000 R15: 00000000000000f8 [ 57.526185] [ 57.526513] irq event stamp: 10071 [ 57.526946] hardirqs last enabled at (10081): [] __up_console_sem+0x78/0x80 [ 57.528008] hardirqs last disabled at (10092): [] __up_console_sem+0x5d/0x80 [ 57.529102] softirqs last enabled at (9996): [] irq_exit_rcu+0x93/0xc0 [ 57.530140] softirqs last disabled at (9991): [] irq_exit_rcu+0x93/0xc0 [ 57.531161] ---[ end trace 0000000000000000 ]--- [ 59.095102] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.142566] Bluetooth: hci0: command 0x041b tx timeout [ 63.190528] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.238522] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:06:45 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce396d8 RCX=0000000000000000 RDX=1ffffffff0a8562d RSI=0000000000000001 RDI=ffff88806ce09d10 RBP=ffffffff8542a780 RSP=ffff88806ce09cd0 R8 =0000000000000001 R9 =ffffed100d9c13a3 R10=0000000000000003 R11=0000000000000001 R12=fffffbfff0a8562d R13=ffffffff8542b170 R14=1ffff1100d9c139e R15=0000000000000000 RIP=ffffffff812c1dd5 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 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=00007f8c1e2b3070 CR3=000000000cabc000 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=2038353a36303a31312036312079614d XMM01=5d3236353530342e37352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 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=ffff888016cf75f0 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 0000555555879400 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=00007f8c1e261b20 CR3=000000001a0d2000 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