Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:30702' (ECDSA) to the list of known hosts. 2023/05/17 08:01:38 fuzzer started 2023/05/17 08:01:38 dialing manager at localhost:35573 2023/05/17 08:01:38 checking machine... 2023/05/17 08:01:38 checking revisions... syzkaller login: [ 70.802365] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:01:39 testing simple program... [ 70.874667] cgroup: Unknown subsys name 'net' [ 70.978258] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 83.051165] audit: type=1400 audit(1684310511.267:6): 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 [ 84.123534] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.125639] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.126594] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.129384] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.130634] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 84.132067] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.542692] ------------[ cut here ]------------ [ 84.543840] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 84.545951] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 84.547095] Modules linked in: [ 84.547543] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 84.552777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 84.553865] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 84.554547] 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 [ 84.556915] RSP: 0018:ffff888015af7c00 EFLAGS: 00010282 [ 84.557626] RAX: 0000000000000000 RBX: ffff888016054040 RCX: 0000000000000000 [ 84.558607] RDX: ffff888016cb9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 84.559601] RBP: ffff888016054054 R08: 0000000000000001 R09: 0000000000000000 [ 84.560593] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 84.561574] R13: ffffffff84e223a0 R14: ffff888016054048 R15: ffffffff84d73340 [ 84.562574] FS: 00005555572e4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 84.563685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.564507] CR2: 000055b39fb65c28 CR3: 000000000dbf0000 CR4: 0000000000350ef0 [ 84.565488] Call Trace: [ 84.565877] [ 84.566206] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 84.566917] ipv4_frags_init_net+0x269/0x440 [ 84.567536] ops_init+0xbb/0x6b0 [ 84.568089] setup_net+0x3d9/0x990 [ 84.568591] ? down_read_killable+0x1d7/0x4e0 [ 84.569251] ? __pfx_setup_net+0x10/0x10 [ 84.569840] ? copy_net_ns+0x17c/0x770 [ 84.570397] copy_net_ns+0x321/0x770 [ 84.570968] create_new_namespaces+0x3f6/0xb30 [ 84.571619] unshare_nsproxy_namespaces+0xc1/0x200 [ 84.572323] ksys_unshare+0x44d/0x8e0 [ 84.572892] ? __pfx_ksys_unshare+0x10/0x10 [ 84.573494] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 84.574334] __x64_sys_unshare+0x31/0x40 [ 84.574945] do_syscall_64+0x3f/0x90 [ 84.575465] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 84.576214] RIP: 0033:0x7f1f109650d7 [ 84.576728] 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 [ 84.579159] RSP: 002b:00007ffc96738808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 84.580230] RAX: ffffffffffffffda RBX: 00007ffc96738e48 RCX: 00007f1f109650d7 [ 84.581211] RDX: 00007f1f109cf41f RSI: 00007ffc967387a0 RDI: 0000000040000000 [ 84.582194] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc967385b0 [ 84.583167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f10a77bf0 [ 84.584175] R13: 00007ffc967388e0 R14: 0000000000000000 R15: 00000000000000f8 [ 84.585174] [ 84.585503] irq event stamp: 9385 [ 84.586003] hardirqs last enabled at (9397): [] __up_console_sem+0x78/0x80 [ 84.587175] hardirqs last disabled at (9408): [] __up_console_sem+0x5d/0x80 [ 84.588376] softirqs last enabled at (9234): [] irq_exit_rcu+0x93/0xc0 [ 84.589529] softirqs last disabled at (9229): [] irq_exit_rcu+0x93/0xc0 [ 84.590668] ---[ end trace 0000000000000000 ]--- [ 84.596901] ------------[ cut here ]------------ [ 84.597559] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 84.599352] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 84.600496] Modules linked in: [ 84.600964] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 84.602209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 84.603291] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 84.604020] 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 [ 84.606329] RSP: 0018:ffff888015af7c00 EFLAGS: 00010282 [ 84.607054] RAX: 0000000000000000 RBX: ffff888016272c40 RCX: 0000000000000000 [ 84.608034] RDX: ffff888016cb9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 84.609001] RBP: ffff888016272c54 R08: 0000000000000001 R09: 0000000000000000 [ 84.609975] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 84.610949] R13: ffffffff84e223a0 R14: ffff888016272c48 R15: ffffffff84da62e0 [ 84.611946] FS: 00005555572e4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 84.613048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.613867] CR2: 000055b39fb65c28 CR3: 000000000dbf0000 CR4: 0000000000350ef0 [ 84.614844] Call Trace: [ 84.615207] [ 84.615540] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 84.616301] ipv6_frags_init_net+0x206/0x3c0 [ 84.616947] ops_init+0xbb/0x6b0 [ 84.617439] setup_net+0x3d9/0x990 [ 84.617977] ? down_read_killable+0x1d7/0x4e0 [ 84.618606] ? __pfx_setup_net+0x10/0x10 [ 84.619203] ? copy_net_ns+0x17c/0x770 [ 84.619800] copy_net_ns+0x321/0x770 [ 84.620336] create_new_namespaces+0x3f6/0xb30 [ 84.621021] unshare_nsproxy_namespaces+0xc1/0x200 [ 84.621711] ksys_unshare+0x44d/0x8e0 [ 84.622295] ? __pfx_ksys_unshare+0x10/0x10 [ 84.622930] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 84.623760] __x64_sys_unshare+0x31/0x40 [ 84.624330] do_syscall_64+0x3f/0x90 [ 84.624892] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 84.625600] RIP: 0033:0x7f1f109650d7 [ 84.626140] 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 [ 84.628578] RSP: 002b:00007ffc96738808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 84.629631] RAX: ffffffffffffffda RBX: 00007ffc96738e48 RCX: 00007f1f109650d7 [ 84.630611] RDX: 00007f1f109cf41f RSI: 00007ffc967387a0 RDI: 0000000040000000 [ 84.631622] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc967385b0 [ 84.632612] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f10a77bf0 [ 84.633603] R13: 00007ffc967388e0 R14: 0000000000000000 R15: 00000000000000f8 [ 84.634613] [ 84.634978] irq event stamp: 11015 [ 84.635453] hardirqs last enabled at (11025): [] __up_console_sem+0x78/0x80 [ 84.636663] hardirqs last disabled at (11036): [] __up_console_sem+0x5d/0x80 [ 84.637873] softirqs last enabled at (11050): [] irq_exit_rcu+0x93/0xc0 [ 84.639031] softirqs last disabled at (11045): [] irq_exit_rcu+0x93/0xc0 [ 84.640203] ---[ end trace 0000000000000000 ]--- [ 84.641812] ------------[ cut here ]------------ [ 84.642452] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 84.644933] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 84.646120] Modules linked in: [ 84.646571] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 84.647877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 84.648995] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 84.649703] 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 [ 84.652142] RSP: 0018:ffff888015af7bf0 EFLAGS: 00010286 [ 84.652930] RAX: 0000000000000000 RBX: ffff888016272440 RCX: 0000000000000000 [ 84.653912] RDX: ffff888016cb9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 84.654897] RBP: ffff888016272454 R08: 0000000000000001 R09: 0000000000000000 [ 84.655909] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 84.656900] R13: ffffffff84e223a0 R14: ffff888016272448 R15: ffffffff84daf020 [ 84.657880] FS: 00005555572e4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 84.658990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.659815] CR2: 000055b39fb65c28 CR3: 000000000dbf0000 CR4: 0000000000350ef0 [ 84.660802] Call Trace: [ 84.661163] [ 84.661493] nf_ct_net_init+0x224/0x3d0 [ 84.662092] ? __pfx_nf_ct_net_init+0x10/0x10 [ 84.662768] ops_init+0xbb/0x6b0 [ 84.663258] setup_net+0x3d9/0x990 [ 84.663829] ? down_read_killable+0x1d7/0x4e0 [ 84.664467] ? __pfx_setup_net+0x10/0x10 [ 84.665067] ? copy_net_ns+0x17c/0x770 [ 84.665633] copy_net_ns+0x321/0x770 [ 84.666193] create_new_namespaces+0x3f6/0xb30 [ 84.666875] unshare_nsproxy_namespaces+0xc1/0x200 [ 84.667565] ksys_unshare+0x44d/0x8e0 [ 84.668139] ? __pfx_ksys_unshare+0x10/0x10 [ 84.668790] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 84.669587] __x64_sys_unshare+0x31/0x40 [ 84.670192] do_syscall_64+0x3f/0x90 [ 84.670713] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 84.671457] RIP: 0033:0x7f1f109650d7 [ 84.672026] 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 [ 84.674411] RSP: 002b:00007ffc96738808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 84.675466] RAX: ffffffffffffffda RBX: 00007ffc96738e48 RCX: 00007f1f109650d7 [ 84.676448] RDX: 00007f1f109cf41f RSI: 00007ffc967387a0 RDI: 0000000040000000 [ 84.677430] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc967385b0 [ 84.678413] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1f10a77bf0 [ 84.679397] R13: 00007ffc967388e0 R14: 0000000000000000 R15: 00000000000000f8 [ 84.680422] [ 84.680782] irq event stamp: 11827 [ 84.681266] hardirqs last enabled at (11837): [] __up_console_sem+0x78/0x80 [ 84.682452] hardirqs last disabled at (11848): [] __up_console_sem+0x5d/0x80 [ 84.683640] softirqs last enabled at (11330): [] irq_exit_rcu+0x93/0xc0 [ 84.684790] softirqs last disabled at (11321): [] irq_exit_rcu+0x93/0xc0 [ 84.685942] ---[ end trace 0000000000000000 ]--- executing program [ 86.150365] Bluetooth: hci0: command 0x0409 tx timeout [ 88.198413] Bluetooth: hci0: command 0x041b tx timeout executing program [ 90.245952] Bluetooth: hci0: command 0x040f tx timeout executing program [ 92.293832] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:01:17 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015af75f0 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 00005555572e4400 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=000055b39fb65c28 CR3=000000000dbf0000 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=000000000007a5b1 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=00007fba9acd7340 CR3=000000000c6de000 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=2032353a31303a38302037312079614d XMM01=5d3135393534352e34382020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3135393534352e34382020205b XMM07=79732032353a31303a38302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000