Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:22393' (ECDSA) to the list of known hosts. 2023/05/17 05:40:22 fuzzer started 2023/05/17 05:40:22 dialing manager at localhost:35573 2023/05/17 05:40:22 checking machine... 2023/05/17 05:40:22 checking revisions... syzkaller login: [ 52.475351] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:40:22 testing simple program... [ 52.543783] cgroup: Unknown subsys name 'net' [ 52.626134] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 63.687388] audit: type=1400 audit(1684302034.111:6): 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 executing program [ 64.831788] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.834120] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.836928] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.839674] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.842814] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.844541] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.257268] ------------[ cut here ]------------ [ 65.258093] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 65.260431] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.261821] Modules linked in: [ 65.262320] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.267174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.268335] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.269073] 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 [ 65.271495] RSP: 0018:ffff88801fd27c00 EFLAGS: 00010282 [ 65.272250] RAX: 0000000000000000 RBX: ffff88800d62d440 RCX: 0000000000000000 [ 65.273255] RDX: ffff8880185b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.274251] RBP: ffff88800d62d454 R08: 0000000000000001 R09: 0000000000000000 [ 65.275241] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 65.276207] R13: ffffffff84e223a0 R14: ffff88800d62d448 R15: ffffffff84d73340 [ 65.277190] FS: 000055555562b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.278297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.279072] CR2: 00007f0f33a876f4 CR3: 000000000eaa2000 CR4: 0000000000350ee0 [ 65.280053] Call Trace: [ 65.280446] [ 65.280781] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 65.281514] ipv4_frags_init_net+0x269/0x440 [ 65.282123] ops_init+0xbb/0x6b0 [ 65.282648] setup_net+0x3d9/0x990 [ 65.283143] ? down_read_killable+0x1d7/0x4e0 [ 65.283795] ? __pfx_setup_net+0x10/0x10 [ 65.284383] ? copy_net_ns+0x17c/0x770 [ 65.284949] copy_net_ns+0x321/0x770 [ 65.285534] create_new_namespaces+0x3f6/0xb30 [ 65.286236] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.286942] ksys_unshare+0x44d/0x8e0 [ 65.287532] ? __pfx_ksys_unshare+0x10/0x10 [ 65.288188] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.289011] __x64_sys_unshare+0x31/0x40 [ 65.289654] do_syscall_64+0x3f/0x90 [ 65.290231] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.290955] RIP: 0033:0x7f12047950d7 [ 65.291511] 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 [ 65.293975] RSP: 002b:00007ffe7d9c3878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.295041] RAX: ffffffffffffffda RBX: 00007ffe7d9c3eb8 RCX: 00007f12047950d7 [ 65.296045] RDX: 00007f12047ff41f RSI: 00007ffe7d9c3810 RDI: 0000000040000000 [ 65.297044] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7d9c3620 [ 65.298047] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f12048a7bf0 [ 65.299053] R13: 00007ffe7d9c3950 R14: 0000000000000000 R15: 00000000000000f8 [ 65.300076] [ 65.300449] irq event stamp: 7831 [ 65.300932] hardirqs last enabled at (7841): [] __up_console_sem+0x78/0x80 [ 65.302176] hardirqs last disabled at (7854): [] __up_console_sem+0x5d/0x80 [ 65.303372] softirqs last enabled at (7312): [] irq_exit_rcu+0x93/0xc0 [ 65.304521] softirqs last disabled at (7275): [] irq_exit_rcu+0x93/0xc0 [ 65.305690] ---[ end trace 0000000000000000 ]--- [ 65.311779] ------------[ cut here ]------------ [ 65.312465] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 65.314821] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.316015] Modules linked in: [ 65.316494] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.317798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.318920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.319663] 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 [ 65.322091] RSP: 0018:ffff88801fd27c00 EFLAGS: 00010282 [ 65.322844] RAX: 0000000000000000 RBX: ffff88800c61ca40 RCX: 0000000000000000 [ 65.323834] RDX: ffff8880185b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.324816] RBP: ffff88800c61ca54 R08: 0000000000000001 R09: 0000000000000000 [ 65.325814] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.326789] R13: ffffffff84e223a0 R14: ffff88800c61ca48 R15: ffffffff84da62e0 [ 65.327763] FS: 000055555562b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.328864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.329702] CR2: 00007f0f33a876f4 CR3: 000000000eaa2000 CR4: 0000000000350ee0 [ 65.330676] Call Trace: [ 65.331035] [ 65.331390] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 65.332057] ipv6_frags_init_net+0x206/0x3c0 [ 65.332705] ops_init+0xbb/0x6b0 [ 65.333236] setup_net+0x3d9/0x990 [ 65.333742] ? down_read_killable+0x1d7/0x4e0 [ 65.334395] ? __pfx_setup_net+0x10/0x10 [ 65.334958] ? copy_net_ns+0x17c/0x770 [ 65.335543] copy_net_ns+0x321/0x770 [ 65.336067] create_new_namespaces+0x3f6/0xb30 [ 65.336742] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.337477] ksys_unshare+0x44d/0x8e0 [ 65.338013] ? __pfx_ksys_unshare+0x10/0x10 [ 65.338641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.339450] __x64_sys_unshare+0x31/0x40 [ 65.340017] do_syscall_64+0x3f/0x90 [ 65.340559] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.341303] RIP: 0033:0x7f12047950d7 [ 65.341811] 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 [ 65.344193] RSP: 002b:00007ffe7d9c3878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.345259] RAX: ffffffffffffffda RBX: 00007ffe7d9c3eb8 RCX: 00007f12047950d7 [ 65.346237] RDX: 00007f12047ff41f RSI: 00007ffe7d9c3810 RDI: 0000000040000000 [ 65.347204] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7d9c3620 [ 65.348132] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f12048a7bf0 [ 65.349112] R13: 00007ffe7d9c3950 R14: 0000000000000000 R15: 00000000000000f8 [ 65.350116] [ 65.350470] irq event stamp: 9851 [ 65.350933] hardirqs last enabled at (9861): [] __up_console_sem+0x78/0x80 [ 65.352086] hardirqs last disabled at (9872): [] __up_console_sem+0x5d/0x80 [ 65.353258] softirqs last enabled at (9420): [] irq_exit_rcu+0x93/0xc0 [ 65.354392] softirqs last disabled at (9411): [] irq_exit_rcu+0x93/0xc0 [ 65.355509] ---[ end trace 0000000000000000 ]--- [ 65.357037] ------------[ cut here ]------------ [ 65.357730] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 65.359966] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.361130] Modules linked in: [ 65.361609] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.362869] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.363981] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.364718] 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 [ 65.367109] RSP: 0018:ffff88801fd27bf0 EFLAGS: 00010286 [ 65.367854] RAX: 0000000000000000 RBX: ffff88800c61c440 RCX: 0000000000000000 [ 65.368822] RDX: ffff8880185b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.369792] RBP: ffff88800c61c454 R08: 0000000000000001 R09: 0000000000000000 [ 65.370763] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.371727] R13: ffffffff84e223a0 R14: ffff88800c61c448 R15: ffffffff84daf020 [ 65.372698] FS: 000055555562b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.373764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.374547] CR2: 00007f0f33a876f4 CR3: 000000000eaa2000 CR4: 0000000000350ee0 [ 65.375479] Call Trace: [ 65.375828] [ 65.376178] nf_ct_net_init+0x224/0x3d0 [ 65.376727] ? __pfx_nf_ct_net_init+0x10/0x10 [ 65.377377] ops_init+0xbb/0x6b0 [ 65.377846] setup_net+0x3d9/0x990 [ 65.378363] ? down_read_killable+0x1d7/0x4e0 [ 65.378968] ? __pfx_setup_net+0x10/0x10 [ 65.379535] ? copy_net_ns+0x17c/0x770 [ 65.380073] copy_net_ns+0x321/0x770 [ 65.380612] create_new_namespaces+0x3f6/0xb30 [ 65.381272] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.381936] ksys_unshare+0x44d/0x8e0 [ 65.382509] ? __pfx_ksys_unshare+0x10/0x10 [ 65.383112] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.383916] __x64_sys_unshare+0x31/0x40 [ 65.384517] do_syscall_64+0x3f/0x90 [ 65.385037] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.385781] RIP: 0033:0x7f12047950d7 [ 65.386314] 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 [ 65.388606] RSP: 002b:00007ffe7d9c3878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.389627] RAX: ffffffffffffffda RBX: 00007ffe7d9c3eb8 RCX: 00007f12047950d7 [ 65.390575] RDX: 00007f12047ff41f RSI: 00007ffe7d9c3810 RDI: 0000000040000000 [ 65.391508] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7d9c3620 [ 65.392455] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f12048a7bf0 [ 65.393414] R13: 00007ffe7d9c3950 R14: 0000000000000000 R15: 00000000000000f8 [ 65.394375] [ 65.394705] irq event stamp: 10667 [ 65.395211] hardirqs last enabled at (10679): [] __up_console_sem+0x78/0x80 [ 65.396371] hardirqs last disabled at (10690): [] __up_console_sem+0x5d/0x80 [ 65.397550] softirqs last enabled at (10326): [] irq_exit_rcu+0x93/0xc0 [ 65.398676] softirqs last disabled at (10321): [] irq_exit_rcu+0x93/0xc0 [ 65.399803] ---[ end trace 0000000000000000 ]--- [ 66.914688] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 68.961231] Bluetooth: hci0: command 0x041b tx timeout executing program [ 71.009231] Bluetooth: hci0: command 0x040f tx timeout [ 73.057216] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:40:19 Registers: info registers vcpu 0 RAX=0000000000021aaf 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=00007fa581c74e20 CR3=0000000016f48000 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=2035333a30343a35302037312079614d XMM01=5d3032333236322e35362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000075 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fd275f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000075 R11=0000000000000001 R12=0000000000000075 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 000055555562b400 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=00007f0f33a876f4 CR3=000000000eaa2000 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