Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:11562' (ECDSA) to the list of known hosts. 2023/05/16 13:18:57 fuzzer started 2023/05/16 13:18:57 dialing manager at localhost:35573 2023/05/16 13:18:57 checking machine... 2023/05/16 13:18:57 checking revisions... syzkaller login: [ 36.132255] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:18:57 testing simple program... [ 36.207796] cgroup: Unknown subsys name 'net' [ 36.282479] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.149365] audit: type=1400 audit(1684243150.755:6): 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 [ 50.287665] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.289844] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.291448] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.294910] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.297296] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.299703] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.716009] ------------[ cut here ]------------ [ 50.716903] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.719157] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.720541] Modules linked in: [ 50.721171] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.726189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.727344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.728128] 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 [ 50.730643] RSP: 0018:ffff88800fcffc00 EFLAGS: 00010282 [ 50.731395] RAX: 0000000000000000 RBX: ffff88800ee4bc40 RCX: 0000000000000000 [ 50.732422] RDX: ffff8880167a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.733449] RBP: ffff88800ee4bc54 R08: 0000000000000001 R09: 0000000000000000 [ 50.734456] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.735481] R13: ffffffff84e223a0 R14: ffff88800ee4bc48 R15: ffffffff84d73340 [ 50.736503] FS: 000055555754d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.737654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.738458] CR2: 00007f66b58466f4 CR3: 0000000016574000 CR4: 0000000000350ee0 [ 50.739480] Call Trace: [ 50.739894] [ 50.740236] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.740976] ipv4_frags_init_net+0x269/0x440 [ 50.741675] ops_init+0xbb/0x6b0 [ 50.742186] setup_net+0x3d9/0x990 [ 50.742741] ? down_read_killable+0x1d7/0x4e0 [ 50.743394] ? __pfx_setup_net+0x10/0x10 [ 50.744016] ? copy_net_ns+0x17c/0x770 [ 50.744625] copy_net_ns+0x321/0x770 [ 50.745180] create_new_namespaces+0x3f6/0xb30 [ 50.745888] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.746626] ksys_unshare+0x44d/0x8e0 [ 50.747185] ? __pfx_ksys_unshare+0x10/0x10 [ 50.747848] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.748698] __x64_sys_unshare+0x31/0x40 [ 50.749310] do_syscall_64+0x3f/0x90 [ 50.749886] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.750653] RIP: 0033:0x7fa13adbd0d7 [ 50.751188] 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 [ 50.753696] RSP: 002b:00007ffcb0fea0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.754799] RAX: ffffffffffffffda RBX: 00007ffcb0fea738 RCX: 00007fa13adbd0d7 [ 50.755827] RDX: 00007fa13ae2741f RSI: 00007ffcb0fea090 RDI: 0000000040000000 [ 50.756837] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb0fe9ea0 [ 50.757874] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa13aecfbf0 [ 50.758898] R13: 00007ffcb0fea1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.759950] [ 50.760295] irq event stamp: 8055 [ 50.760818] hardirqs last enabled at (8067): [] __up_console_sem+0x78/0x80 [ 50.762046] hardirqs last disabled at (8078): [] __up_console_sem+0x5d/0x80 [ 50.763277] softirqs last enabled at (7532): [] irq_exit_rcu+0x93/0xc0 [ 50.764441] softirqs last disabled at (7527): [] irq_exit_rcu+0x93/0xc0 [ 50.765617] ---[ end trace 0000000000000000 ]--- [ 50.772169] ------------[ cut here ]------------ [ 50.772899] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.774906] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.776085] Modules linked in: [ 50.776560] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.777913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.779074] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.779832] 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 [ 50.782335] RSP: 0018:ffff88800fcffc00 EFLAGS: 00010282 [ 50.783123] RAX: 0000000000000000 RBX: ffff8880101e5c40 RCX: 0000000000000000 [ 50.784143] RDX: ffff8880167a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.785164] RBP: ffff8880101e5c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.786189] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.787199] R13: ffffffff84e223a0 R14: ffff8880101e5c48 R15: ffffffff84da62e0 [ 50.788236] FS: 000055555754d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.789426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.790273] CR2: 00007f66b58466f4 CR3: 0000000016574000 CR4: 0000000000350ee0 [ 50.791284] Call Trace: [ 50.791690] [ 50.792037] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.792763] ipv6_frags_init_net+0x206/0x3c0 [ 50.793413] ops_init+0xbb/0x6b0 [ 50.793950] setup_net+0x3d9/0x990 [ 50.794466] ? down_read_killable+0x1d7/0x4e0 [ 50.795133] ? __pfx_setup_net+0x10/0x10 [ 50.795742] ? copy_net_ns+0x17c/0x770 [ 50.796312] copy_net_ns+0x321/0x770 [ 50.796895] create_new_namespaces+0x3f6/0xb30 [ 50.797620] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.798363] ksys_unshare+0x44d/0x8e0 [ 50.799015] ? __pfx_ksys_unshare+0x10/0x10 [ 50.799641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.800410] __x64_sys_unshare+0x31/0x40 [ 50.801002] do_syscall_64+0x3f/0x90 [ 50.801535] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.802265] RIP: 0033:0x7fa13adbd0d7 [ 50.802812] 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 [ 50.805157] RSP: 002b:00007ffcb0fea0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.806196] RAX: ffffffffffffffda RBX: 00007ffcb0fea738 RCX: 00007fa13adbd0d7 [ 50.807158] RDX: 00007fa13ae2741f RSI: 00007ffcb0fea090 RDI: 0000000040000000 [ 50.808131] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb0fe9ea0 [ 50.809075] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa13aecfbf0 [ 50.810108] R13: 00007ffcb0fea1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.811365] [ 50.811803] irq event stamp: 10187 [ 50.812378] hardirqs last enabled at (10197): [] __up_console_sem+0x78/0x80 [ 50.813852] hardirqs last disabled at (10208): [] __up_console_sem+0x5d/0x80 [ 50.815290] softirqs last enabled at (9542): [] irq_exit_rcu+0x93/0xc0 [ 50.816686] softirqs last disabled at (9491): [] irq_exit_rcu+0x93/0xc0 [ 50.818063] ---[ end trace 0000000000000000 ]--- [ 50.819844] ------------[ cut here ]------------ [ 50.820640] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.823147] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.824534] Modules linked in: [ 50.825111] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.826668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.828033] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.828924] 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 [ 50.831890] RSP: 0018:ffff88800fcffbf0 EFLAGS: 00010286 [ 50.832801] RAX: 0000000000000000 RBX: ffff88800c760a40 RCX: 0000000000000000 [ 50.834001] RDX: ffff8880167a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.835179] RBP: ffff88800c760a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.836296] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.837299] R13: ffffffff84e223a0 R14: ffff88800c760a48 R15: ffffffff84daf020 [ 50.838261] FS: 000055555754d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.839618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.840556] CR2: 00007f66b58466f4 CR3: 0000000016574000 CR4: 0000000000350ee0 [ 50.841799] Call Trace: [ 50.842229] [ 50.842672] nf_ct_net_init+0x224/0x3d0 [ 50.843346] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.844151] ops_init+0xbb/0x6b0 [ 50.844781] setup_net+0x3d9/0x990 [ 50.845399] ? down_read_killable+0x1d7/0x4e0 [ 50.846208] ? __pfx_setup_net+0x10/0x10 [ 50.846927] ? copy_net_ns+0x17c/0x770 [ 50.847632] copy_net_ns+0x321/0x770 [ 50.848269] create_new_namespaces+0x3f6/0xb30 [ 50.849093] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.849959] ksys_unshare+0x44d/0x8e0 [ 50.850647] ? __pfx_ksys_unshare+0x10/0x10 [ 50.851371] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.852353] __x64_sys_unshare+0x31/0x40 [ 50.853078] do_syscall_64+0x3f/0x90 [ 50.853778] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.854669] RIP: 0033:0x7fa13adbd0d7 [ 50.855276] 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 [ 50.858219] RSP: 002b:00007ffcb0fea0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.859483] RAX: ffffffffffffffda RBX: 00007ffcb0fea738 RCX: 00007fa13adbd0d7 [ 50.860674] RDX: 00007fa13ae2741f RSI: 00007ffcb0fea090 RDI: 0000000040000000 [ 50.861873] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb0fe9ea0 [ 50.863072] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa13aecfbf0 [ 50.864262] R13: 00007ffcb0fea1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.865493] [ 50.865931] irq event stamp: 11001 [ 50.866505] hardirqs last enabled at (11011): [] __up_console_sem+0x78/0x80 [ 50.867946] hardirqs last disabled at (11022): [] __up_console_sem+0x5d/0x80 [ 50.869392] softirqs last enabled at (10564): [] irq_exit_rcu+0x93/0xc0 [ 50.870777] softirqs last disabled at (10559): [] irq_exit_rcu+0x93/0xc0 [ 50.872170] ---[ end trace 0000000000000000 ]--- executing program [ 52.370437] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.417679] Bluetooth: hci0: command 0x041b tx timeout [ 56.465668] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.513658] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:19:11 Registers: info registers vcpu 0 RAX=000000000002a49b 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=00000202 [-------] 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=00007ff02728a430 CR3=000000000cb34000 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=2032313a39313a33312036312079614d XMM01=5d3134353032372e30352020205b203a XMM02=646f4d205d3134353032372e30352020 XMM03=6b7a79732032313a39313a3331203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3735313931372e30352020205b XMM07=79732032313a39313a33312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fcff5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 000055555754d400 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=00007f66b58466f4 CR3=0000000016574000 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