syzkaller login: [ 47.103490] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:36848' (ECDSA) to the list of known hosts. 2023/05/18 05:58:52 fuzzer started 2023/05/18 05:58:53 dialing manager at localhost:44319 2023/05/18 05:58:53 checking machine... 2023/05/18 05:58:53 checking revisions... [ 48.306035] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:58:53 testing simple program... [ 48.380028] cgroup: Unknown subsys name 'net' [ 48.473955] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.993674] audit: type=1400 audit(1684389546.873:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 63.104843] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.106734] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.108918] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.113029] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.114900] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.117086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 63.511491] ------------[ cut here ]------------ [ 63.512153] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.513998] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.515198] Modules linked in: [ 63.515618] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 63.520723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.521920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.522696] 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 [ 63.525043] RSP: 0018:ffff88801d80fc00 EFLAGS: 00010282 [ 63.525822] RAX: 0000000000000000 RBX: ffff88800c4ef040 RCX: 0000000000000000 [ 63.526805] RDX: ffff88800ff31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 63.527787] RBP: ffff88800c4ef054 R08: 0000000000000001 R09: 0000000000000000 [ 63.528703] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.529620] R13: ffffffff84e23fe0 R14: ffff88800c4ef048 R15: ffffffff84d74dc0 [ 63.530544] FS: 0000555555fa6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.531570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.532342] CR2: 00007f19d32b66f4 CR3: 000000000e022000 CR4: 0000000000350ef0 [ 63.533266] Call Trace: [ 63.533594] [ 63.533896] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.534557] ipv4_frags_init_net+0x269/0x440 [ 63.535166] ops_init+0xbb/0x6b0 [ 63.535620] setup_net+0x3d9/0x990 [ 63.536086] ? down_read_killable+0x1d7/0x4e0 [ 63.536691] ? __pfx_setup_net+0x10/0x10 [ 63.537258] ? copy_net_ns+0x17c/0x770 [ 63.537776] copy_net_ns+0x321/0x770 [ 63.538298] create_new_namespaces+0x3f6/0xb30 [ 63.538898] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.539555] ksys_unshare+0x44d/0x8e0 [ 63.540049] ? __pfx_ksys_unshare+0x10/0x10 [ 63.540629] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.541394] __x64_sys_unshare+0x31/0x40 [ 63.541924] do_syscall_64+0x3f/0x90 [ 63.542431] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.543123] RIP: 0033:0x7fa623f860d7 [ 63.543589] 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 [ 63.545853] RSP: 002b:00007fffebdd1be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.546827] RAX: ffffffffffffffda RBX: 00007fffebdd2228 RCX: 00007fa623f860d7 [ 63.547753] RDX: 00007fa623ff041f RSI: 00007fffebdd1b80 RDI: 0000000040000000 [ 63.548657] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebdd1990 [ 63.549604] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa624098bf0 [ 63.550512] R13: 00007fffebdd1cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.551426] [ 63.551732] irq event stamp: 8313 [ 63.552192] hardirqs last enabled at (8325): [] __up_console_sem+0x78/0x80 [ 63.553285] hardirqs last disabled at (8336): [] __up_console_sem+0x5d/0x80 [ 63.554378] softirqs last enabled at (7924): [] irq_exit_rcu+0x93/0xc0 [ 63.555446] softirqs last disabled at (7899): [] irq_exit_rcu+0x93/0xc0 [ 63.556498] ---[ end trace 0000000000000000 ]--- [ 63.561973] ------------[ cut here ]------------ [ 63.562608] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.564298] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.565408] Modules linked in: [ 63.565822] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 63.567008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.568051] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.568721] 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 [ 63.570993] RSP: 0018:ffff88801d80fc00 EFLAGS: 00010282 [ 63.571679] RAX: 0000000000000000 RBX: ffff88800eb1c640 RCX: 0000000000000000 [ 63.572565] RDX: ffff88800ff31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 63.573459] RBP: ffff88800eb1c654 R08: 0000000000000001 R09: 0000000000000000 [ 63.574360] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.575264] R13: ffffffff84e23fe0 R14: ffff88800eb1c648 R15: ffffffff84da7d60 [ 63.576180] FS: 0000555555fa6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.577212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.577935] CR2: 00007f8df51f2000 CR3: 000000000e022000 CR4: 0000000000350ee0 [ 63.578829] Call Trace: [ 63.579190] [ 63.579490] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.580138] ipv6_frags_init_net+0x206/0x3c0 [ 63.580711] ops_init+0xbb/0x6b0 [ 63.581194] setup_net+0x3d9/0x990 [ 63.581659] ? down_read_killable+0x1d7/0x4e0 [ 63.582261] ? __pfx_setup_net+0x10/0x10 [ 63.582777] ? copy_net_ns+0x17c/0x770 [ 63.583325] copy_net_ns+0x321/0x770 [ 63.583821] create_new_namespaces+0x3f6/0xb30 [ 63.584444] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.585076] ksys_unshare+0x44d/0x8e0 [ 63.585634] ? __pfx_ksys_unshare+0x10/0x10 [ 63.586230] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.586942] __x64_sys_unshare+0x31/0x40 [ 63.587489] do_syscall_64+0x3f/0x90 [ 63.587974] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.588644] RIP: 0033:0x7fa623f860d7 [ 63.589136] 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 [ 63.591352] RSP: 002b:00007fffebdd1be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.592318] RAX: ffffffffffffffda RBX: 00007fffebdd2228 RCX: 00007fa623f860d7 [ 63.593220] RDX: 00007fa623ff041f RSI: 00007fffebdd1b80 RDI: 0000000040000000 [ 63.594089] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebdd1990 [ 63.594976] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa624098bf0 [ 63.595884] R13: 00007fffebdd1cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.596812] [ 63.597162] irq event stamp: 10073 [ 63.597597] hardirqs last enabled at (10083): [] __up_console_sem+0x78/0x80 [ 63.598690] hardirqs last disabled at (10094): [] __up_console_sem+0x5d/0x80 [ 63.599795] softirqs last enabled at (9912): [] irq_exit_rcu+0x93/0xc0 [ 63.600884] softirqs last disabled at (9905): [] irq_exit_rcu+0x93/0xc0 [ 63.601973] ---[ end trace 0000000000000000 ]--- [ 63.603403] ------------[ cut here ]------------ [ 63.604015] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.607270] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.608496] Modules linked in: [ 63.608910] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 63.610274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.611428] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.612073] 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 [ 63.614538] RSP: 0018:ffff88801d80fbf0 EFLAGS: 00010286 [ 63.615391] RAX: 0000000000000000 RBX: ffff88800eb1cc40 RCX: 0000000000000000 [ 63.616377] RDX: ffff88800ff31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 63.617519] RBP: ffff88800eb1cc54 R08: 0000000000000001 R09: 0000000000000000 [ 63.618535] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.619593] R13: ffffffff84e23fe0 R14: ffff88800eb1cc48 R15: ffffffff84db0aa0 [ 63.620602] FS: 0000555555fa6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.621733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.622679] CR2: 00007f8df51f2000 CR3: 000000000e022000 CR4: 0000000000350ee0 [ 63.623680] Call Trace: [ 63.624011] [ 63.624504] nf_ct_net_init+0x224/0x3d0 [ 63.625034] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.625792] ops_init+0xbb/0x6b0 [ 63.626444] setup_net+0x3d9/0x990 [ 63.626911] ? down_read_killable+0x1d7/0x4e0 [ 63.627615] ? __pfx_setup_net+0x10/0x10 [ 63.628283] ? copy_net_ns+0x17c/0x770 [ 63.628795] copy_net_ns+0x321/0x770 [ 63.629480] create_new_namespaces+0x3f6/0xb30 [ 63.630073] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.630893] ksys_unshare+0x44d/0x8e0 [ 63.631532] ? __pfx_ksys_unshare+0x10/0x10 [ 63.632074] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.632915] __x64_sys_unshare+0x31/0x40 [ 63.633626] do_syscall_64+0x3f/0x90 [ 63.634296] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.634955] RIP: 0033:0x7fa623f860d7 [ 63.635633] 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 [ 63.637978] RSP: 002b:00007fffebdd1be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.639036] RAX: ffffffffffffffda RBX: 00007fffebdd2228 RCX: 00007fa623f860d7 [ 63.640243] RDX: 00007fa623ff041f RSI: 00007fffebdd1b80 RDI: 0000000040000000 [ 63.641292] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffebdd1990 [ 63.642278] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa624098bf0 [ 63.643185] R13: 00007fffebdd1cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.644074] [ 63.644415] irq event stamp: 13803 [ 63.644864] hardirqs last enabled at (13813): [] __up_console_sem+0x78/0x80 [ 63.645959] hardirqs last disabled at (13824): [] __up_console_sem+0x5d/0x80 [ 63.647048] softirqs last enabled at (13776): [] irq_exit_rcu+0x93/0xc0 [ 63.648151] softirqs last disabled at (13763): [] irq_exit_rcu+0x93/0xc0 [ 63.649265] ---[ end trace 0000000000000000 ]--- [ 65.127827] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.175735] Bluetooth: hci0: command 0x041b tx timeout executing program [ 69.223171] Bluetooth: hci0: command 0x040f tx timeout [ 71.271180] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:59:04 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801d80f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555fa6400 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=00007f19d32b66f4 CR3=000000000e022000 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=0000000000033903 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=00007f7cf0039098 CR3=0000000009a96000 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=2038303a39353a35302038312079614d XMM01=5d3831363531352e33362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000