syzkaller login: [ 32.415998] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:54361' (ECDSA) to the list of known hosts. 2023/05/18 06:20:36 fuzzer started 2023/05/18 06:20:36 dialing manager at localhost:44319 2023/05/18 06:20:36 checking machine... 2023/05/18 06:20:36 checking revisions... [ 37.190218] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:20:36 testing simple program... [ 37.262195] cgroup: Unknown subsys name 'net' [ 37.357554] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.810925] audit: type=1400 audit(1684390849.359:6): 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 [ 50.924363] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.926329] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.928087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.931092] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.932510] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.933652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.321522] ------------[ cut here ]------------ [ 51.322312] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.324458] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.325746] Modules linked in: [ 51.326241] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.328474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.331148] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.332897] 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 [ 51.335126] RSP: 0018:ffff88801912fc00 EFLAGS: 00010282 [ 51.335825] RAX: 0000000000000000 RBX: ffff88800e4d5840 RCX: 0000000000000000 [ 51.336710] RDX: ffff888009499b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.337565] RBP: ffff88800e4d5854 R08: 0000000000000001 R09: 0000000000000000 [ 51.338441] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.339308] R13: ffffffff84e23fe0 R14: ffff88800e4d5848 R15: ffffffff84d74dc0 [ 51.340198] FS: 0000555556f42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.341196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.341929] CR2: 00007f77664c2338 CR3: 000000000d630000 CR4: 0000000000350ef0 [ 51.342797] Call Trace: [ 51.343121] [ 51.343419] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.344060] ipv4_frags_init_net+0x269/0x440 [ 51.344645] ops_init+0xbb/0x6b0 [ 51.345090] setup_net+0x3d9/0x990 [ 51.345554] ? down_read_killable+0x1d7/0x4e0 [ 51.346146] ? __pfx_setup_net+0x10/0x10 [ 51.346684] ? copy_net_ns+0x17c/0x770 [ 51.347179] copy_net_ns+0x321/0x770 [ 51.347683] create_new_namespaces+0x3f6/0xb30 [ 51.348273] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.348913] ksys_unshare+0x44d/0x8e0 [ 51.349401] ? __pfx_ksys_unshare+0x10/0x10 [ 51.349964] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.350709] __x64_sys_unshare+0x31/0x40 [ 51.351219] do_syscall_64+0x3f/0x90 [ 51.351713] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.352351] RIP: 0033:0x7f40bf23e0d7 [ 51.352847] 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 [ 51.355029] RSP: 002b:00007fff374ab928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.355978] RAX: ffffffffffffffda RBX: 00007fff374abf68 RCX: 00007f40bf23e0d7 [ 51.356855] RDX: 00007f40bf2a841f RSI: 00007fff374ab8c0 RDI: 0000000040000000 [ 51.357750] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff374ab6d0 [ 51.358585] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f40bf350bf0 [ 51.359463] R13: 00007fff374aba00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.360359] [ 51.360688] irq event stamp: 9387 [ 51.361102] hardirqs last enabled at (9397): [] __up_console_sem+0x78/0x80 [ 51.362157] hardirqs last disabled at (9408): [] __up_console_sem+0x5d/0x80 [ 51.363187] softirqs last enabled at (8978): [] irq_exit_rcu+0x93/0xc0 [ 51.364209] softirqs last disabled at (8967): [] irq_exit_rcu+0x93/0xc0 [ 51.365241] ---[ end trace 0000000000000000 ]--- [ 51.370100] ------------[ cut here ]------------ [ 51.370704] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.372338] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.373426] Modules linked in: [ 51.373862] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.375014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.376009] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.376675] 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 [ 51.378849] RSP: 0018:ffff88801912fc00 EFLAGS: 00010282 [ 51.379496] RAX: 0000000000000000 RBX: ffff888014589c40 RCX: 0000000000000000 [ 51.380384] RDX: ffff888009499b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.381287] RBP: ffff888014589c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.382184] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.383062] R13: ffffffff84e23fe0 R14: ffff888014589c48 R15: ffffffff84da7d60 [ 51.383947] FS: 0000555556f42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.384938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.385678] CR2: 00007f77664c2338 CR3: 000000000d630000 CR4: 0000000000350ef0 [ 51.386522] Call Trace: [ 51.386871] [ 51.387166] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.387809] ipv6_frags_init_net+0x206/0x3c0 [ 51.388354] ops_init+0xbb/0x6b0 [ 51.388830] setup_net+0x3d9/0x990 [ 51.389301] ? down_read_killable+0x1d7/0x4e0 [ 51.389896] ? __pfx_setup_net+0x10/0x10 [ 51.390400] ? copy_net_ns+0x17c/0x770 [ 51.390941] copy_net_ns+0x321/0x770 [ 51.391412] create_new_namespaces+0x3f6/0xb30 [ 51.392009] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.392636] ksys_unshare+0x44d/0x8e0 [ 51.393122] ? __pfx_ksys_unshare+0x10/0x10 [ 51.393709] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.394408] __x64_sys_unshare+0x31/0x40 [ 51.394947] do_syscall_64+0x3f/0x90 [ 51.395413] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.396089] RIP: 0033:0x7f40bf23e0d7 [ 51.396545] 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 [ 51.398713] RSP: 002b:00007fff374ab928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.399659] RAX: ffffffffffffffda RBX: 00007fff374abf68 RCX: 00007f40bf23e0d7 [ 51.400507] RDX: 00007f40bf2a841f RSI: 00007fff374ab8c0 RDI: 0000000040000000 [ 51.401420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff374ab6d0 [ 51.402286] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f40bf350bf0 [ 51.403158] R13: 00007fff374aba00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.404056] [ 51.404351] irq event stamp: 11077 [ 51.404810] hardirqs last enabled at (11089): [] __up_console_sem+0x78/0x80 [ 51.405888] hardirqs last disabled at (11100): [] __up_console_sem+0x5d/0x80 [ 51.406944] softirqs last enabled at (10630): [] irq_exit_rcu+0x93/0xc0 [ 51.407967] softirqs last disabled at (10625): [] irq_exit_rcu+0x93/0xc0 [ 51.408995] ---[ end trace 0000000000000000 ]--- [ 51.410343] ------------[ cut here ]------------ [ 51.411045] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.412953] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.414033] Modules linked in: [ 51.414443] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.415573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.416570] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.417250] 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 [ 51.419397] RSP: 0018:ffff88801912fbf0 EFLAGS: 00010286 [ 51.420071] RAX: 0000000000000000 RBX: ffff888016246240 RCX: 0000000000000000 [ 51.420954] RDX: ffff888009499b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.421846] RBP: ffff888016246254 R08: 0000000000000001 R09: 0000000000000000 [ 51.422743] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.423582] R13: ffffffff84e23fe0 R14: ffff888016246248 R15: ffffffff84db0aa0 [ 51.424449] FS: 0000555556f42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.425454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.426183] CR2: 00007f77664c2338 CR3: 000000000d630000 CR4: 0000000000350ef0 [ 51.427066] Call Trace: [ 51.427392] [ 51.427719] nf_ct_net_init+0x224/0x3d0 [ 51.428227] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.428827] ops_init+0xbb/0x6b0 [ 51.429287] setup_net+0x3d9/0x990 [ 51.429763] ? down_read_killable+0x1d7/0x4e0 [ 51.430324] ? __pfx_setup_net+0x10/0x10 [ 51.430857] ? copy_net_ns+0x17c/0x770 [ 51.431354] copy_net_ns+0x321/0x770 [ 51.431858] create_new_namespaces+0x3f6/0xb30 [ 51.432440] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.433072] ksys_unshare+0x44d/0x8e0 [ 51.433577] ? __pfx_ksys_unshare+0x10/0x10 [ 51.434145] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.434879] __x64_sys_unshare+0x31/0x40 [ 51.435384] do_syscall_64+0x3f/0x90 [ 51.435890] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.436529] RIP: 0033:0x7f40bf23e0d7 [ 51.437017] 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 [ 51.439206] RSP: 002b:00007fff374ab928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.440153] RAX: ffffffffffffffda RBX: 00007fff374abf68 RCX: 00007f40bf23e0d7 [ 51.441039] RDX: 00007f40bf2a841f RSI: 00007fff374ab8c0 RDI: 0000000040000000 [ 51.441958] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff374ab6d0 [ 51.442836] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f40bf350bf0 [ 51.443713] R13: 00007fff374aba00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.444582] [ 51.444905] irq event stamp: 11953 [ 51.445344] hardirqs last enabled at (11963): [] __up_console_sem+0x78/0x80 [ 51.446399] hardirqs last disabled at (11974): [] __up_console_sem+0x5d/0x80 [ 51.447439] softirqs last enabled at (11860): [] irq_exit_rcu+0x93/0xc0 [ 51.448463] softirqs last disabled at (11855): [] irq_exit_rcu+0x93/0xc0 [ 51.449485] ---[ end trace 0000000000000000 ]--- executing program [ 52.940232] Bluetooth: hci0: command 0x0409 tx timeout [ 54.988195] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.035672] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.084750] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:20:49 Registers: info registers vcpu 0 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801912f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 0000555556f42400 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=00007f77664c2338 CR3=000000000d630000 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=0000000000000003 RBX=ffffffff85d81e40 RCX=ffffffff810bd6e2 RDX=0000000000000000 RSI=ffffffff860805d8 RDI=ffffffff85d81e34 RBP=ffffffff85d81e40 RSP=ffff888016e0f398 R8 =ffffffff860805d8 R9 =ffffffff8608e0b2 R10=0000000000038001 R11=0000000000003c16 R12=ffffffff85d81e44 R13=ffffffff85d81e34 R14=ffffffff85d81e3c R15=dffffc0000000000 RIP=ffffffff8112fc6a RFL=00000206 [-----P-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7767042900 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=00007f7766463750 CR3=000000000eefc000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d35f14e95510c1f60000000000111ed0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=79b678c9639b0cfa00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000