Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:55562' (ECDSA) to the list of known hosts. 2023/05/17 04:00:20 fuzzer started 2023/05/17 04:00:21 dialing manager at localhost:35573 2023/05/17 04:00:21 checking machine... 2023/05/17 04:00:21 checking revisions... syzkaller login: [ 42.280630] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:00:21 testing simple program... [ 42.369224] cgroup: Unknown subsys name 'net' [ 42.522399] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.382535] audit: type=1400 audit(1684296034.540:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 56.457756] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.459479] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.462683] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.466052] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.468470] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.470119] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.839509] ------------[ cut here ]------------ [ 56.840974] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.843124] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.844248] Modules linked in: [ 56.844689] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.849636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.850633] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.851296] 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 [ 56.853463] RSP: 0018:ffff88801a2efc00 EFLAGS: 00010282 [ 56.854145] RAX: 0000000000000000 RBX: ffff888015b45440 RCX: 0000000000000000 [ 56.855061] RDX: ffff888016ae8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.855967] RBP: ffff888015b45454 R08: 0000000000000001 R09: 0000000000000000 [ 56.856852] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.857727] R13: ffffffff84e223a0 R14: ffff888015b45448 R15: ffffffff84d73340 [ 56.858605] FS: 0000555555625400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.859603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.860303] CR2: 00007f70ef2f46f4 CR3: 00000000161b0000 CR4: 0000000000350ef0 [ 56.861191] Call Trace: [ 56.861514] [ 56.861838] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.862437] ipv4_frags_init_net+0x269/0x440 [ 56.863043] ops_init+0xbb/0x6b0 [ 56.863488] setup_net+0x3d9/0x990 [ 56.863964] ? down_read_killable+0x1d7/0x4e0 [ 56.864535] ? __pfx_setup_net+0x10/0x10 [ 56.865063] ? copy_net_ns+0x17c/0x770 [ 56.865588] copy_net_ns+0x321/0x770 [ 56.866065] create_new_namespaces+0x3f6/0xb30 [ 56.866682] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.867307] ksys_unshare+0x44d/0x8e0 [ 56.867829] ? __pfx_ksys_unshare+0x10/0x10 [ 56.868371] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.869112] __x64_sys_unshare+0x31/0x40 [ 56.869661] do_syscall_64+0x3f/0x90 [ 56.870130] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.870813] RIP: 0033:0x7f73a28e10d7 [ 56.871283] 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 [ 56.873448] RSP: 002b:00007fff7c303a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.874410] RAX: ffffffffffffffda RBX: 00007fff7c3040c8 RCX: 00007f73a28e10d7 [ 56.875314] RDX: 00007f73a294b41f RSI: 00007fff7c303a20 RDI: 0000000040000000 [ 56.876189] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7c303830 [ 56.877075] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f73a29f3bf0 [ 56.877971] R13: 00007fff7c303b60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.878913] [ 56.879212] irq event stamp: 8749 [ 56.879660] hardirqs last enabled at (8761): [] __up_console_sem+0x78/0x80 [ 56.880722] hardirqs last disabled at (8772): [] __up_console_sem+0x5d/0x80 [ 56.881778] softirqs last enabled at (8364): [] irq_exit_rcu+0x93/0xc0 [ 56.882823] softirqs last disabled at (8355): [] irq_exit_rcu+0x93/0xc0 [ 56.883867] ---[ end trace 0000000000000000 ]--- [ 56.889996] ------------[ cut here ]------------ [ 56.890621] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.892356] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.893441] Modules linked in: [ 56.893871] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.895038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.896050] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.896720] 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 [ 56.898892] RSP: 0018:ffff88801a2efc00 EFLAGS: 00010282 [ 56.899548] RAX: 0000000000000000 RBX: ffff88800b354c40 RCX: 0000000000000000 [ 56.900424] RDX: ffff888016ae8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.901310] RBP: ffff88800b354c54 R08: 0000000000000001 R09: 0000000000000000 [ 56.902201] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.903103] R13: ffffffff84e223a0 R14: ffff88800b354c48 R15: ffffffff84da62e0 [ 56.903993] FS: 0000555555625400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.904994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.905734] CR2: 00007f70ef2f46f4 CR3: 00000000161b0000 CR4: 0000000000350ef0 [ 56.906623] Call Trace: [ 56.906962] [ 56.907259] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.907892] ipv6_frags_init_net+0x206/0x3c0 [ 56.908444] ops_init+0xbb/0x6b0 [ 56.908919] setup_net+0x3d9/0x990 [ 56.909371] ? down_read_killable+0x1d7/0x4e0 [ 56.909962] ? __pfx_setup_net+0x10/0x10 [ 56.910468] ? copy_net_ns+0x17c/0x770 [ 56.911010] copy_net_ns+0x321/0x770 [ 56.911486] create_new_namespaces+0x3f6/0xb30 [ 56.912151] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.912793] ksys_unshare+0x44d/0x8e0 [ 56.913284] ? __pfx_ksys_unshare+0x10/0x10 [ 56.913861] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.914600] __x64_sys_unshare+0x31/0x40 [ 56.915132] do_syscall_64+0x3f/0x90 [ 56.915637] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.916267] RIP: 0033:0x7f73a28e10d7 [ 56.916766] 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 [ 56.918952] RSP: 002b:00007fff7c303a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.919914] RAX: ffffffffffffffda RBX: 00007fff7c3040c8 RCX: 00007f73a28e10d7 [ 56.920793] RDX: 00007f73a294b41f RSI: 00007fff7c303a20 RDI: 0000000040000000 [ 56.921691] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7c303830 [ 56.922579] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f73a29f3bf0 [ 56.923462] R13: 00007fff7c303b60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.924374] [ 56.924701] irq event stamp: 10955 [ 56.925129] hardirqs last enabled at (10965): [] __up_console_sem+0x78/0x80 [ 56.926193] hardirqs last disabled at (10976): [] __up_console_sem+0x5d/0x80 [ 56.927275] softirqs last enabled at (10760): [] irq_exit_rcu+0x93/0xc0 [ 56.928312] softirqs last disabled at (10749): [] irq_exit_rcu+0x93/0xc0 [ 56.929343] ---[ end trace 0000000000000000 ]--- [ 56.930731] ------------[ cut here ]------------ [ 56.931328] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.933186] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.934233] Modules linked in: [ 56.934677] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.935825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.936826] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.937458] 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 [ 56.939601] RSP: 0018:ffff88801a2efbf0 EFLAGS: 00010286 [ 56.940247] RAX: 0000000000000000 RBX: ffff88800b354640 RCX: 0000000000000000 [ 56.941126] RDX: ffff888016ae8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.942008] RBP: ffff88800b354654 R08: 0000000000000001 R09: 0000000000000000 [ 56.942907] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.943794] R13: ffffffff84e223a0 R14: ffff88800b354648 R15: ffffffff84daf020 [ 56.944688] FS: 0000555555625400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.945679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.946382] CR2: 00007f70ef2f46f4 CR3: 00000000161b0000 CR4: 0000000000350ef0 [ 56.947289] Call Trace: [ 56.947644] [ 56.947950] nf_ct_net_init+0x224/0x3d0 [ 56.948459] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.949051] ops_init+0xbb/0x6b0 [ 56.949497] setup_net+0x3d9/0x990 [ 56.949980] ? down_read_killable+0x1d7/0x4e0 [ 56.950572] ? __pfx_setup_net+0x10/0x10 [ 56.951097] ? copy_net_ns+0x17c/0x770 [ 56.951634] copy_net_ns+0x321/0x770 [ 56.952109] create_new_namespaces+0x3f6/0xb30 [ 56.952720] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.953330] ksys_unshare+0x44d/0x8e0 [ 56.953847] ? __pfx_ksys_unshare+0x10/0x10 [ 56.954395] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.955137] __x64_sys_unshare+0x31/0x40 [ 56.955694] do_syscall_64+0x3f/0x90 [ 56.956162] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.956833] RIP: 0033:0x7f73a28e10d7 [ 56.957297] 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 [ 56.959455] RSP: 002b:00007fff7c303a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.960400] RAX: ffffffffffffffda RBX: 00007fff7c3040c8 RCX: 00007f73a28e10d7 [ 56.961284] RDX: 00007f73a294b41f RSI: 00007fff7c303a20 RDI: 0000000040000000 [ 56.962165] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7c303830 [ 56.963062] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f73a29f3bf0 [ 56.963942] R13: 00007fff7c303b60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.964844] [ 56.965146] irq event stamp: 11779 [ 56.965596] hardirqs last enabled at (11791): [] __up_console_sem+0x78/0x80 [ 56.966656] hardirqs last disabled at (11802): [] __up_console_sem+0x5d/0x80 [ 56.967734] softirqs last enabled at (11704): [] irq_exit_rcu+0x93/0xc0 [ 56.968750] softirqs last disabled at (11695): [] irq_exit_rcu+0x93/0xc0 [ 56.969774] ---[ end trace 0000000000000000 ]--- executing program [ 58.544201] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.591673] Bluetooth: hci0: command 0x041b tx timeout [ 62.639634] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.687623] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:00:22 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a2ef5f0 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 0000555555625400 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=00007f70ef2f46f4 CR3=00000000161b0000 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=000000000004f369 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=00007f38a67701b0 CR3=000000000d6e8000 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=2036333a30303a34302037312079614d XMM01=5d3938363434382e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000