Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:27418' (ECDSA) to the list of known hosts. 2023/05/16 17:11:34 fuzzer started 2023/05/16 17:11:34 dialing manager at localhost:35573 2023/05/16 17:11:34 checking machine... 2023/05/16 17:11:34 checking revisions... syzkaller login: [ 36.672136] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:11:35 testing simple program... [ 36.747386] cgroup: Unknown subsys name 'net' [ 36.826049] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.045200] audit: type=1400 audit(1684257107.422:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.211517] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.213007] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.215359] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.218629] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.220630] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.221914] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.620374] ------------[ cut here ]------------ [ 50.621122] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.623013] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.624140] Modules linked in: [ 50.624604] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.629150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.630586] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.631355] 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 [ 50.633718] RSP: 0018:ffff8880069e7c00 EFLAGS: 00010282 [ 50.634442] RAX: 0000000000000000 RBX: ffff88800e679040 RCX: 0000000000000000 [ 50.635421] RDX: ffff8880179f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.636385] RBP: ffff88800e679054 R08: 0000000000000001 R09: 0000000000000000 [ 50.637337] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.638269] R13: ffffffff84e223a0 R14: ffff88800e679048 R15: ffffffff84d73340 [ 50.639212] FS: 000055555641c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.640324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.641097] CR2: 00007f1ca8118f60 CR3: 000000001faf6000 CR4: 0000000000350ef0 [ 50.642058] Call Trace: [ 50.642439] [ 50.642768] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.643451] ipv4_frags_init_net+0x269/0x440 [ 50.644062] ops_init+0xbb/0x6b0 [ 50.644575] setup_net+0x3d9/0x990 [ 50.645074] ? down_read_killable+0x1d7/0x4e0 [ 50.645715] ? __pfx_setup_net+0x10/0x10 [ 50.646298] ? copy_net_ns+0x17c/0x770 [ 50.646843] copy_net_ns+0x321/0x770 [ 50.647395] create_new_namespaces+0x3f6/0xb30 [ 50.648054] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.648754] ksys_unshare+0x44d/0x8e0 [ 50.649316] ? __pfx_ksys_unshare+0x10/0x10 [ 50.649912] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.650709] __x64_sys_unshare+0x31/0x40 [ 50.651302] do_syscall_64+0x3f/0x90 [ 50.651816] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.652555] RIP: 0033:0x7f233bdd70d7 [ 50.653058] 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 [ 50.655386] RSP: 002b:00007ffed5d1daf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.656422] RAX: ffffffffffffffda RBX: 00007ffed5d1e138 RCX: 00007f233bdd70d7 [ 50.657388] RDX: 00007f233be4141f RSI: 00007ffed5d1da90 RDI: 0000000040000000 [ 50.658344] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed5d1d8a0 [ 50.659307] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f233bee9bf0 [ 50.660284] R13: 00007ffed5d1dbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.661254] [ 50.661572] irq event stamp: 7351 [ 50.662019] hardirqs last enabled at (7361): [] __up_console_sem+0x78/0x80 [ 50.663141] hardirqs last disabled at (7372): [] __up_console_sem+0x5d/0x80 [ 50.664276] softirqs last enabled at (6910): [] irq_exit_rcu+0x93/0xc0 [ 50.665365] softirqs last disabled at (6893): [] irq_exit_rcu+0x93/0xc0 [ 50.666463] ---[ end trace 0000000000000000 ]--- [ 50.671709] ------------[ cut here ]------------ [ 50.672393] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.674151] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.675291] Modules linked in: [ 50.675727] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.676958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.678043] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.678761] 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 [ 50.681094] RSP: 0018:ffff8880069e7c00 EFLAGS: 00010282 [ 50.681823] RAX: 0000000000000000 RBX: ffff88800d679840 RCX: 0000000000000000 [ 50.682757] RDX: ffff8880179f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.683694] RBP: ffff88800d679854 R08: 0000000000000001 R09: 0000000000000000 [ 50.684637] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.685591] R13: ffffffff84e223a0 R14: ffff88800d679848 R15: ffffffff84da62e0 [ 50.686555] FS: 000055555641c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.687631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.688441] CR2: 00007f1ca8118f60 CR3: 000000001faf6000 CR4: 0000000000350ef0 [ 50.689407] Call Trace: [ 50.689755] [ 50.690078] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.690768] ipv6_frags_init_net+0x206/0x3c0 [ 50.691404] ops_init+0xbb/0x6b0 [ 50.691885] setup_net+0x3d9/0x990 [ 50.692423] ? down_read_killable+0x1d7/0x4e0 [ 50.693041] ? __pfx_setup_net+0x10/0x10 [ 50.693617] ? copy_net_ns+0x17c/0x770 [ 50.694199] copy_net_ns+0x321/0x770 [ 50.694720] create_new_namespaces+0x3f6/0xb30 [ 50.695387] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.696055] ksys_unshare+0x44d/0x8e0 [ 50.696617] ? __pfx_ksys_unshare+0x10/0x10 [ 50.697231] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.698001] __x64_sys_unshare+0x31/0x40 [ 50.698595] do_syscall_64+0x3f/0x90 [ 50.699102] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.699820] RIP: 0033:0x7f233bdd70d7 [ 50.700366] 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 [ 50.702703] RSP: 002b:00007ffed5d1daf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.703722] RAX: ffffffffffffffda RBX: 00007ffed5d1e138 RCX: 00007f233bdd70d7 [ 50.704689] RDX: 00007f233be4141f RSI: 00007ffed5d1da90 RDI: 0000000040000000 [ 50.705643] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed5d1d8a0 [ 50.706599] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f233bee9bf0 [ 50.707558] R13: 00007ffed5d1dbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.708563] [ 50.708888] irq event stamp: 8753 [ 50.709374] hardirqs last enabled at (8765): [] __up_console_sem+0x78/0x80 [ 50.710508] hardirqs last disabled at (8776): [] __up_console_sem+0x5d/0x80 [ 50.711655] softirqs last enabled at (8298): [] irq_exit_rcu+0x93/0xc0 [ 50.712786] softirqs last disabled at (8293): [] irq_exit_rcu+0x93/0xc0 [ 50.713896] ---[ end trace 0000000000000000 ]--- [ 50.715376] ------------[ cut here ]------------ [ 50.715988] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.718052] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.719119] Modules linked in: [ 50.719548] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.720712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.721711] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.722375] 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 [ 50.724558] RSP: 0018:ffff8880069e7bf0 EFLAGS: 00010286 [ 50.725237] RAX: 0000000000000000 RBX: ffff88800904f240 RCX: 0000000000000000 [ 50.726094] RDX: ffff8880179f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.726986] RBP: ffff88800904f254 R08: 0000000000000001 R09: 0000000000000000 [ 50.727869] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.728759] R13: ffffffff84e223a0 R14: ffff88800904f248 R15: ffffffff84daf020 [ 50.729652] FS: 000055555641c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.730643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.731385] CR2: 00007f1ca8118f60 CR3: 000000001faf6000 CR4: 0000000000350ef0 [ 50.732282] Call Trace: [ 50.732606] [ 50.732903] nf_ct_net_init+0x224/0x3d0 [ 50.733436] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.734013] ops_init+0xbb/0x6b0 [ 50.734484] setup_net+0x3d9/0x990 [ 50.734931] ? down_read_killable+0x1d7/0x4e0 [ 50.735518] ? __pfx_setup_net+0x10/0x10 [ 50.736025] ? copy_net_ns+0x17c/0x770 [ 50.736567] copy_net_ns+0x321/0x770 [ 50.737044] create_new_namespaces+0x3f6/0xb30 [ 50.737670] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.738313] ksys_unshare+0x44d/0x8e0 [ 50.738806] ? __pfx_ksys_unshare+0x10/0x10 [ 50.739379] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.740095] __x64_sys_unshare+0x31/0x40 [ 50.740645] do_syscall_64+0x3f/0x90 [ 50.741126] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.741790] RIP: 0033:0x7f233bdd70d7 [ 50.742282] 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 [ 50.744449] RSP: 002b:00007ffed5d1daf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.745395] RAX: ffffffffffffffda RBX: 00007ffed5d1e138 RCX: 00007f233bdd70d7 [ 50.746273] RDX: 00007f233be4141f RSI: 00007ffed5d1da90 RDI: 0000000040000000 [ 50.747139] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed5d1d8a0 [ 50.748031] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f233bee9bf0 [ 50.748933] R13: 00007ffed5d1dbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.749832] [ 50.750139] irq event stamp: 9517 [ 50.750591] hardirqs last enabled at (9529): [] __up_console_sem+0x78/0x80 [ 50.751644] hardirqs last disabled at (9540): [] __up_console_sem+0x5d/0x80 [ 50.752707] softirqs last enabled at (9380): [] irq_exit_rcu+0x93/0xc0 [ 50.753722] softirqs last disabled at (9375): [] irq_exit_rcu+0x93/0xc0 [ 50.754735] ---[ end trace 0000000000000000 ]--- executing program [ 52.291891] Bluetooth: hci0: command 0x0409 tx timeout [ 54.339275] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.387230] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.435280] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:11:48 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880069e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555641c400 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=00007f1ca8118f60 CR3=000000001faf6000 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=000000000003734b RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f1ca80b72b0 CR3=0000000006980000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=2064656863616552203a5d315b646d00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000