Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:60166' (ECDSA) to the list of known hosts. 2023/05/17 14:49:31 fuzzer started 2023/05/17 14:49:32 dialing manager at localhost:44319 2023/05/17 14:49:32 checking machine... 2023/05/17 14:49:32 checking revisions... syzkaller login: [ 37.899287] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:49:32 testing simple program... [ 37.967667] cgroup: Unknown subsys name 'net' [ 38.026559] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.118071] audit: type=1400 audit(1684334985.407:6): 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 [ 52.240583] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.244924] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.246444] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.250516] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.252135] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.254030] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.650328] ------------[ cut here ]------------ [ 52.651116] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.653071] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.654349] Modules linked in: [ 52.654875] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.659676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.660868] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.661514] 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 [ 52.663835] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 52.664482] RAX: 0000000000000000 RBX: ffff8880100d4840 RCX: 0000000000000000 [ 52.665366] RDX: ffff888016f91b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.666248] RBP: ffff8880100d4854 R08: 0000000000000001 R09: 0000000000000000 [ 52.667118] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.668027] R13: ffffffff84e23fe0 R14: ffff8880100d4848 R15: ffffffff84d74dc0 [ 52.668906] FS: 00005555566fb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.669897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.670591] CR2: 00007fc4091de6f4 CR3: 000000000cbb4000 CR4: 0000000000350ee0 [ 52.671477] Call Trace: [ 52.671830] [ 52.672123] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.672724] ipv4_frags_init_net+0x269/0x440 [ 52.673309] ops_init+0xbb/0x6b0 [ 52.673758] setup_net+0x3d9/0x990 [ 52.674237] ? down_read_killable+0x1d7/0x4e0 [ 52.674829] ? __pfx_setup_net+0x10/0x10 [ 52.675330] ? copy_net_ns+0x17c/0x770 [ 52.675888] copy_net_ns+0x321/0x770 [ 52.676364] create_new_namespaces+0x3f6/0xb30 [ 52.676971] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.677574] ksys_unshare+0x44d/0x8e0 [ 52.678087] ? __pfx_ksys_unshare+0x10/0x10 [ 52.678620] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.679351] __x64_sys_unshare+0x31/0x40 [ 52.679902] do_syscall_64+0x3f/0x90 [ 52.680376] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.681036] RIP: 0033:0x7f194e4060d7 [ 52.681496] 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 [ 52.683640] RSP: 002b:00007ffc67484408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.684576] RAX: ffffffffffffffda RBX: 00007ffc67484a48 RCX: 00007f194e4060d7 [ 52.685479] RDX: 00007f194e47041f RSI: 00007ffc674843a0 RDI: 0000000040000000 [ 52.686357] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc674841b0 [ 52.687223] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f194e518bf0 [ 52.688104] R13: 00007ffc674844e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.689000] [ 52.689294] irq event stamp: 7929 [ 52.689716] hardirqs last enabled at (7939): [] __up_console_sem+0x78/0x80 [ 52.690762] hardirqs last disabled at (7950): [] __up_console_sem+0x5d/0x80 [ 52.691822] softirqs last enabled at (7502): [] irq_exit_rcu+0x93/0xc0 [ 52.692840] softirqs last disabled at (7449): [] irq_exit_rcu+0x93/0xc0 [ 52.693842] ---[ end trace 0000000000000000 ]--- [ 52.702705] ------------[ cut here ]------------ [ 52.703369] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.705114] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.706185] Modules linked in: [ 52.706601] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.707928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.709016] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.709656] 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 [ 52.711907] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 52.712557] RAX: 0000000000000000 RBX: ffff88800daac440 RCX: 0000000000000000 [ 52.713440] RDX: ffff888016f91b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.714321] RBP: ffff88800daac454 R08: 0000000000000001 R09: 0000000000000000 [ 52.715193] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.716092] R13: ffffffff84e23fe0 R14: ffff88800daac448 R15: ffffffff84da7d60 [ 52.716984] FS: 00005555566fb400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.717972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.718673] CR2: 00007fd63d117938 CR3: 000000000cbb4000 CR4: 0000000000350ef0 [ 52.719594] Call Trace: [ 52.719952] [ 52.720250] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.720899] ipv6_frags_init_net+0x206/0x3c0 [ 52.721453] ops_init+0xbb/0x6b0 [ 52.721928] setup_net+0x3d9/0x990 [ 52.722378] ? down_read_killable+0x1d7/0x4e0 [ 52.722987] ? __pfx_setup_net+0x10/0x10 [ 52.723503] ? copy_net_ns+0x17c/0x770 [ 52.724077] copy_net_ns+0x321/0x770 [ 52.724562] create_new_namespaces+0x3f6/0xb30 [ 52.725174] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.725817] ksys_unshare+0x44d/0x8e0 [ 52.726300] ? __pfx_ksys_unshare+0x10/0x10 [ 52.726870] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.727594] __x64_sys_unshare+0x31/0x40 [ 52.728166] do_syscall_64+0x3f/0x90 [ 52.728650] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.729335] RIP: 0033:0x7f194e4060d7 [ 52.729847] 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 [ 52.732082] RSP: 002b:00007ffc67484408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.733107] RAX: ffffffffffffffda RBX: 00007ffc67484a48 RCX: 00007f194e4060d7 [ 52.734029] RDX: 00007f194e47041f RSI: 00007ffc674843a0 RDI: 0000000040000000 [ 52.734935] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc674841b0 [ 52.735854] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f194e518bf0 [ 52.736739] R13: 00007ffc674844e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.737671] [ 52.738010] irq event stamp: 10415 [ 52.738447] hardirqs last enabled at (10425): [] __up_console_sem+0x78/0x80 [ 52.739520] hardirqs last disabled at (10436): [] __up_console_sem+0x5d/0x80 [ 52.740610] softirqs last enabled at (10454): [] irq_exit_rcu+0x93/0xc0 [ 52.741655] softirqs last disabled at (10445): [] irq_exit_rcu+0x93/0xc0 [ 52.742692] ---[ end trace 0000000000000000 ]--- [ 52.744531] ------------[ cut here ]------------ [ 52.745183] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.747136] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.748193] Modules linked in: [ 52.748607] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.749812] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.750875] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.751528] 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 [ 52.753725] RSP: 0018:ffff88801f407bf0 EFLAGS: 00010286 [ 52.754439] RAX: 0000000000000000 RBX: ffff88800daacc40 RCX: 0000000000000000 [ 52.755351] RDX: ffff888016f91b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.756264] RBP: ffff88800daacc54 R08: 0000000000000001 R09: 0000000000000000 [ 52.757161] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.758114] R13: ffffffff84e23fe0 R14: ffff88800daacc48 R15: ffffffff84db0aa0 [ 52.759017] FS: 00005555566fb400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.760042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.760744] CR2: 00007fd63d117938 CR3: 000000000cbb4000 CR4: 0000000000350ef0 [ 52.761640] Call Trace: [ 52.762007] [ 52.762308] nf_ct_net_init+0x224/0x3d0 [ 52.762858] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.763466] ops_init+0xbb/0x6b0 [ 52.763943] setup_net+0x3d9/0x990 [ 52.764402] ? down_read_killable+0x1d7/0x4e0 [ 52.765003] ? __pfx_setup_net+0x10/0x10 [ 52.765519] ? copy_net_ns+0x17c/0x770 [ 52.766067] copy_net_ns+0x321/0x770 [ 52.766554] create_new_namespaces+0x3f6/0xb30 [ 52.767165] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.767837] ksys_unshare+0x44d/0x8e0 [ 52.768322] ? __pfx_ksys_unshare+0x10/0x10 [ 52.768900] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.769615] __x64_sys_unshare+0x31/0x40 [ 52.770157] do_syscall_64+0x3f/0x90 [ 52.770634] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.771314] RIP: 0033:0x7f194e4060d7 [ 52.771819] 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 [ 52.774026] RSP: 002b:00007ffc67484408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.775014] RAX: ffffffffffffffda RBX: 00007ffc67484a48 RCX: 00007f194e4060d7 [ 52.775931] RDX: 00007f194e47041f RSI: 00007ffc674843a0 RDI: 0000000040000000 executing program [ 52.776839] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc674841b0 [ 52.778271] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f194e518bf0 [ 52.779189] R13: 00007ffc674844e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.780115] [ 52.780416] irq event stamp: 11289 [ 52.780881] hardirqs last enabled at (11301): [] __up_console_sem+0x78/0x80 [ 52.781952] hardirqs last disabled at (11312): [] __up_console_sem+0x5d/0x80 [ 52.783036] softirqs last enabled at (11250): [] irq_exit_rcu+0x93/0xc0 [ 52.784098] softirqs last disabled at (11199): [] irq_exit_rcu+0x93/0xc0 [ 52.785131] ---[ end trace 0000000000000000 ]--- [ 54.324380] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.371863] Bluetooth: hci0: command 0x041b tx timeout [ 58.420930] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.467873] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:49:44 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000010 RCX=ffffffff812d0a7b RDX=0000000000000004 RSI=0000000000000008 RDI=ffffffff8779c9c0 RBP=0000000000000001 RSP=ffff88806ce09b88 R8 =0000000000000000 R9 =fffffbfff0ef3938 R10=0000000000000000 R11=0000000000000001 R12=ffff8880159f40e8 R13=ffff8880159f3680 R14=dffffc0000000000 R15=0000000000000001 RIP=ffffffff81810228 RFL=00000056 [---ZAP-] 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 00007f977365d700 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=00007fd63d062a50 CR3=0000000015e96000 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=d6bee503fd4eae95044c5ef6a75c5858 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4b0688942b8f0a58000000000013c798 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9d982d77edee516a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f4075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555566fb400 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=00007fc4091de6f4 CR3=000000000cbb4000 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