Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8377' (ECDSA) to the list of known hosts. 2023/05/17 20:49:32 fuzzer started 2023/05/17 20:49:33 dialing manager at localhost:44319 2023/05/17 20:49:33 checking machine... 2023/05/17 20:49:33 checking revisions... syzkaller login: [ 45.354904] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:49:33 testing simple program... [ 45.423822] cgroup: Unknown subsys name 'net' [ 45.499150] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.264141] audit: type=1400 audit(1684356586.154:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.390582] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.392994] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.401224] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.404072] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.405668] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.406796] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.782380] ------------[ cut here ]------------ [ 59.783400] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.786072] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.787597] Modules linked in: [ 59.788187] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.793125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.794335] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.795144] 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 [ 59.797787] RSP: 0018:ffff888019077c00 EFLAGS: 00010282 [ 59.798607] RAX: 0000000000000000 RBX: ffff88800de50040 RCX: 0000000000000000 [ 59.799691] RDX: ffff888017f4d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.800764] RBP: ffff88800de50054 R08: 0000000000000001 R09: 0000000000000000 [ 59.801814] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.802870] R13: ffffffff84e23fe0 R14: ffff88800de50048 R15: ffffffff84d74dc0 [ 59.803949] FS: 00005555573f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.805139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.805984] CR2: 00007fd7c4d676f4 CR3: 000000000dbe8000 CR4: 0000000000350ef0 [ 59.807077] Call Trace: [ 59.807465] [ 59.807842] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.808614] ipv4_frags_init_net+0x269/0x440 [ 59.809318] ops_init+0xbb/0x6b0 [ 59.809855] setup_net+0x3d9/0x990 [ 59.810432] ? down_read_killable+0x1d7/0x4e0 [ 59.811151] ? __pfx_setup_net+0x10/0x10 [ 59.811770] ? copy_net_ns+0x17c/0x770 [ 59.812403] copy_net_ns+0x321/0x770 [ 59.812979] create_new_namespaces+0x3f6/0xb30 [ 59.813713] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.814489] ksys_unshare+0x44d/0x8e0 [ 59.815110] ? __pfx_ksys_unshare+0x10/0x10 [ 59.815783] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.816674] __x64_sys_unshare+0x31/0x40 [ 59.817327] do_syscall_64+0x3f/0x90 [ 59.817899] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.818704] RIP: 0033:0x7f0586e4a0d7 [ 59.819297] 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 [ 59.821888] RSP: 002b:00007ffc72beb488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.823033] RAX: ffffffffffffffda RBX: 00007ffc72bebac8 RCX: 00007f0586e4a0d7 [ 59.824100] RDX: 00007f0586eb441f RSI: 00007ffc72beb420 RDI: 0000000040000000 [ 59.825149] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72beb230 [ 59.826206] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0586f5cbf0 [ 59.827262] R13: 00007ffc72beb560 R14: 0000000000000000 R15: 00000000000000f8 [ 59.828356] [ 59.828705] irq event stamp: 8261 [ 59.829239] hardirqs last enabled at (8273): [] __up_console_sem+0x78/0x80 [ 59.830473] hardirqs last disabled at (8284): [] __up_console_sem+0x5d/0x80 [ 59.831729] softirqs last enabled at (7940): [] irq_exit_rcu+0x93/0xc0 [ 59.832944] softirqs last disabled at (7935): [] irq_exit_rcu+0x93/0xc0 [ 59.834177] ---[ end trace 0000000000000000 ]--- [ 59.840482] ------------[ cut here ]------------ [ 59.841212] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.843282] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.844547] Modules linked in: [ 59.845073] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.846456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.847687] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.848486] 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 [ 59.851068] RSP: 0018:ffff888019077c00 EFLAGS: 00010282 [ 59.851845] RAX: 0000000000000000 RBX: ffff888013973640 RCX: 0000000000000000 [ 59.852910] RDX: ffff888017f4d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.853951] RBP: ffff888013973654 R08: 0000000000000001 R09: 0000000000000000 [ 59.854996] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.856068] R13: ffffffff84e23fe0 R14: ffff888013973648 R15: ffffffff84da7d60 [ 59.857123] FS: 00005555573f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.858261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.859103] CR2: 00007fd7c4d676f4 CR3: 000000000dbe8000 CR4: 0000000000350ef0 [ 59.860132] Call Trace: [ 59.860498] [ 59.860835] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.861569] ipv6_frags_init_net+0x206/0x3c0 [ 59.862243] ops_init+0xbb/0x6b0 [ 59.862746] setup_net+0x3d9/0x990 [ 59.863297] ? down_read_killable+0x1d7/0x4e0 [ 59.863947] ? __pfx_setup_net+0x10/0x10 [ 59.864551] ? copy_net_ns+0x17c/0x770 [ 59.865159] copy_net_ns+0x321/0x770 [ 59.865701] create_new_namespaces+0x3f6/0xb30 [ 59.866420] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.867179] ksys_unshare+0x44d/0x8e0 [ 59.867742] ? __pfx_ksys_unshare+0x10/0x10 [ 59.868406] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.869244] __x64_sys_unshare+0x31/0x40 [ 59.869820] do_syscall_64+0x3f/0x90 [ 59.870408] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.871160] RIP: 0033:0x7f0586e4a0d7 [ 59.871705] 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 [ 59.874151] RSP: 002b:00007ffc72beb488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.875228] RAX: ffffffffffffffda RBX: 00007ffc72bebac8 RCX: 00007f0586e4a0d7 [ 59.876280] RDX: 00007f0586eb441f RSI: 00007ffc72beb420 RDI: 0000000040000000 [ 59.877313] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72beb230 [ 59.878357] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0586f5cbf0 [ 59.879401] R13: 00007ffc72beb560 R14: 0000000000000000 R15: 00000000000000f8 [ 59.880496] [ 59.880847] irq event stamp: 9817 [ 59.881379] hardirqs last enabled at (9829): [] __up_console_sem+0x78/0x80 [ 59.882603] hardirqs last disabled at (9840): [] __up_console_sem+0x5d/0x80 [ 59.883859] softirqs last enabled at (9690): [] irq_exit_rcu+0x93/0xc0 [ 59.885049] softirqs last disabled at (9685): [] irq_exit_rcu+0x93/0xc0 [ 59.886239] ---[ end trace 0000000000000000 ]--- [ 59.887776] ------------[ cut here ]------------ [ 59.888526] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.890699] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.891946] Modules linked in: [ 59.892453] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.893809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.894992] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.895795] 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 [ 59.898324] RSP: 0018:ffff888019077bf0 EFLAGS: 00010286 [ 59.899122] RAX: 0000000000000000 RBX: ffff88800ea4f240 RCX: 0000000000000000 [ 59.900195] RDX: ffff888017f4d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.901236] RBP: ffff88800ea4f254 R08: 0000000000000001 R09: 0000000000000000 [ 59.902276] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.903308] R13: ffffffff84e23fe0 R14: ffff88800ea4f248 R15: ffffffff84db0aa0 [ 59.904360] FS: 00005555573f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.905520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.906383] CR2: 00007fd7c4d676f4 CR3: 000000000dbe8000 CR4: 0000000000350ef0 [ 59.907421] Call Trace: [ 59.907820] [ 59.908206] nf_ct_net_init+0x224/0x3d0 [ 59.908808] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.909500] ops_init+0xbb/0x6b0 [ 59.910050] setup_net+0x3d9/0x990 [ 59.910575] ? down_read_killable+0x1d7/0x4e0 [ 59.911265] ? __pfx_setup_net+0x10/0x10 [ 59.911875] ? copy_net_ns+0x17c/0x770 [ 59.912499] copy_net_ns+0x321/0x770 [ 59.913096] create_new_namespaces+0x3f6/0xb30 [ 59.913774] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.914517] ksys_unshare+0x44d/0x8e0 [ 59.915120] ? __pfx_ksys_unshare+0x10/0x10 [ 59.915767] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.916621] __x64_sys_unshare+0x31/0x40 [ 59.917252] do_syscall_64+0x3f/0x90 [ 59.917807] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.918592] RIP: 0033:0x7f0586e4a0d7 [ 59.919162] 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 [ 59.921678] RSP: 002b:00007ffc72beb488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.922769] RAX: ffffffffffffffda RBX: 00007ffc72bebac8 RCX: 00007f0586e4a0d7 [ 59.923825] RDX: 00007f0586eb441f RSI: 00007ffc72beb420 RDI: 0000000040000000 [ 59.924844] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72beb230 [ 59.925856] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0586f5cbf0 [ 59.926863] R13: 00007ffc72beb560 R14: 0000000000000000 R15: 00000000000000f8 [ 59.927922] [ 59.928302] irq event stamp: 10597 [ 59.928804] hardirqs last enabled at (10607): [] __up_console_sem+0x78/0x80 [ 59.930033] hardirqs last disabled at (10618): [] __up_console_sem+0x5d/0x80 [ 59.931251] softirqs last enabled at (10072): [] irq_exit_rcu+0x93/0xc0 [ 59.932452] softirqs last disabled at (10055): [] irq_exit_rcu+0x93/0xc0 [ 59.933667] ---[ end trace 0000000000000000 ]--- executing program [ 61.469697] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.517204] Bluetooth: hci0: command 0x041b tx timeout [ 65.565094] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.613149] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:49:37 Registers: info registers vcpu 0 RAX=0000000000000075 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880190775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000075 R11=0000000000000001 R12=0000000000000075 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 00005555573f7400 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=00007fd7c4d676f4 CR3=000000000dbe8000 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=00000000000230eb RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f93a8c79a60 CR3=0000000016bb6000 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=2037343a39343a30322037312079614d XMM01=5d3738313838372e39352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000