syzkaller login: [ 54.456589] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:59859' (ECDSA) to the list of known hosts. 2023/05/17 05:31:51 fuzzer started 2023/05/17 05:31:52 dialing manager at localhost:35573 2023/05/17 05:31:52 checking machine... 2023/05/17 05:31:52 checking revisions... [ 56.238210] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:31:52 testing simple program... [ 56.304399] cgroup: Unknown subsys name 'net' [ 56.407214] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 69.722192] audit: type=1400 audit(1684301525.839:6): 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 [ 70.851697] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.853663] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.855499] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.858023] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.859879] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.861021] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 71.238272] ------------[ cut here ]------------ [ 71.239084] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 71.241079] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.242398] Modules linked in: [ 71.242887] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.245587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.248442] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.249497] 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 [ 71.251657] RSP: 0018:ffff8880201efc00 EFLAGS: 00010282 [ 71.252340] RAX: 0000000000000000 RBX: ffff88800e367840 RCX: 0000000000000000 [ 71.253208] RDX: ffff88800fec51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.254113] RBP: ffff88800e367854 R08: 0000000000000001 R09: 0000000000000000 [ 71.255001] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 71.255885] R13: ffffffff84e223a0 R14: ffff88800e367848 R15: ffffffff84d73340 [ 71.256793] FS: 000055555578b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.257811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.258551] CR2: 00007f60c912dba0 CR3: 0000000017256000 CR4: 0000000000350ee0 [ 71.259447] Call Trace: [ 71.259782] [ 71.260093] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 71.260741] ipv4_frags_init_net+0x269/0x440 [ 71.261338] ops_init+0xbb/0x6b0 [ 71.261798] setup_net+0x3d9/0x990 [ 71.262299] ? down_read_killable+0x1d7/0x4e0 [ 71.262875] ? __pfx_setup_net+0x10/0x10 [ 71.263403] ? copy_net_ns+0x17c/0x770 [ 71.263920] copy_net_ns+0x321/0x770 [ 71.264434] create_new_namespaces+0x3f6/0xb30 [ 71.265063] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.265724] ksys_unshare+0x44d/0x8e0 [ 71.266216] ? __pfx_ksys_unshare+0x10/0x10 [ 71.266777] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.267510] __x64_sys_unshare+0x31/0x40 [ 71.268019] do_syscall_64+0x3f/0x90 [ 71.268514] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.269165] RIP: 0033:0x7f9bd72200d7 [ 71.269663] 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 [ 71.271905] RSP: 002b:00007ffefca4f598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 71.272847] RAX: ffffffffffffffda RBX: 00007ffefca4fbd8 RCX: 00007f9bd72200d7 [ 71.273716] RDX: 00007f9bd728a41f RSI: 00007ffefca4f530 RDI: 0000000040000000 [ 71.274576] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffefca4f340 [ 71.275437] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9bd7332bf0 [ 71.276310] R13: 00007ffefca4f670 R14: 0000000000000000 R15: 00000000000000f8 [ 71.277201] [ 71.277533] irq event stamp: 7887 [ 71.277951] hardirqs last enabled at (7897): [] __up_console_sem+0x78/0x80 [ 71.279038] hardirqs last disabled at (7908): [] __up_console_sem+0x5d/0x80 [ 71.280100] softirqs last enabled at (7448): [] irq_exit_rcu+0x93/0xc0 [ 71.281153] softirqs last disabled at (7407): [] irq_exit_rcu+0x93/0xc0 [ 71.282186] ---[ end trace 0000000000000000 ]--- [ 71.287339] ------------[ cut here ]------------ [ 71.287921] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 71.289686] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.290744] Modules linked in: [ 71.291151] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.292318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.293328] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.293969] 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 [ 71.296120] RSP: 0018:ffff8880201efc00 EFLAGS: 00010282 [ 71.296834] RAX: 0000000000000000 RBX: ffff88800e2cb640 RCX: 0000000000000000 [ 71.297756] RDX: ffff88800fec51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.298655] RBP: ffff88800e2cb654 R08: 0000000000000001 R09: 0000000000000000 [ 71.299549] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.300459] R13: ffffffff84e223a0 R14: ffff88800e2cb648 R15: ffffffff84da62e0 [ 71.301348] FS: 000055555578b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.302344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.303075] CR2: 00007f60c912dba0 CR3: 0000000017256000 CR4: 0000000000350ee0 [ 71.303958] Call Trace: [ 71.304324] [ 71.304651] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 71.305256] ipv6_frags_init_net+0x206/0x3c0 [ 71.305844] ops_init+0xbb/0x6b0 [ 71.306303] setup_net+0x3d9/0x990 [ 71.306755] ? down_read_killable+0x1d7/0x4e0 [ 71.307358] ? __pfx_setup_net+0x10/0x10 [ 71.307865] ? copy_net_ns+0x17c/0x770 [ 71.308414] copy_net_ns+0x321/0x770 [ 71.308912] create_new_namespaces+0x3f6/0xb30 [ 71.309530] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.310143] ksys_unshare+0x44d/0x8e0 [ 71.310656] ? __pfx_ksys_unshare+0x10/0x10 [ 71.311206] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.311935] __x64_sys_unshare+0x31/0x40 [ 71.312479] do_syscall_64+0x3f/0x90 [ 71.312968] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.313630] RIP: 0033:0x7f9bd72200d7 [ 71.314084] 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 [ 71.316202] RSP: 002b:00007ffefca4f598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 71.317192] RAX: ffffffffffffffda RBX: 00007ffefca4fbd8 RCX: 00007f9bd72200d7 [ 71.318098] RDX: 00007f9bd728a41f RSI: 00007ffefca4f530 RDI: 0000000040000000 [ 71.319009] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffefca4f340 [ 71.319903] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9bd7332bf0 [ 71.320812] R13: 00007ffefca4f670 R14: 0000000000000000 R15: 00000000000000f8 [ 71.321762] [ 71.322067] irq event stamp: 9649 [ 71.322520] hardirqs last enabled at (9661): [] __up_console_sem+0x78/0x80 [ 71.323588] hardirqs last disabled at (9672): [] __up_console_sem+0x5d/0x80 [ 71.324669] softirqs last enabled at (9200): [] irq_exit_rcu+0x93/0xc0 [ 71.325724] softirqs last disabled at (9195): [] irq_exit_rcu+0x93/0xc0 [ 71.326773] ---[ end trace 0000000000000000 ]--- [ 71.328071] ------------[ cut here ]------------ [ 71.328708] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 71.330658] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.331692] Modules linked in: [ 71.332093] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.333281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.334249] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.334910] 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 [ 71.337072] RSP: 0018:ffff8880201efbf0 EFLAGS: 00010286 [ 71.337759] RAX: 0000000000000000 RBX: ffff888015fa5840 RCX: 0000000000000000 [ 71.338682] RDX: ffff88800fec51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.339564] RBP: ffff888015fa5854 R08: 0000000000000001 R09: 0000000000000000 [ 71.340446] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.341327] R13: ffffffff84e223a0 R14: ffff888015fa5848 R15: ffffffff84daf020 [ 71.342215] FS: 000055555578b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.343219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.343921] CR2: 00007f60c912dba0 CR3: 0000000017256000 CR4: 0000000000350ee0 [ 71.344763] Call Trace: [ 71.345069] [ 71.345381] nf_ct_net_init+0x224/0x3d0 [ 71.345870] ? __pfx_nf_ct_net_init+0x10/0x10 [ 71.346441] ops_init+0xbb/0x6b0 [ 71.346861] setup_net+0x3d9/0x990 [ 71.347315] ? down_read_killable+0x1d7/0x4e0 [ 71.347858] ? __pfx_setup_net+0x10/0x10 [ 71.348409] ? copy_net_ns+0x17c/0x770 [ 71.348932] copy_net_ns+0x321/0x770 [ 71.349458] create_new_namespaces+0x3f6/0xb30 [ 71.350062] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.350718] ksys_unshare+0x44d/0x8e0 [ 71.351213] ? __pfx_ksys_unshare+0x10/0x10 [ 71.351756] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.352502] __x64_sys_unshare+0x31/0x40 [ 71.353045] do_syscall_64+0x3f/0x90 [ 71.353535] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.354169] RIP: 0033:0x7f9bd72200d7 [ 71.354664] 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 [ 71.356845] RSP: 002b:00007ffefca4f598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 71.357797] RAX: ffffffffffffffda RBX: 00007ffefca4fbd8 RCX: 00007f9bd72200d7 [ 71.358674] RDX: 00007f9bd728a41f RSI: 00007ffefca4f530 RDI: 0000000040000000 [ 71.359572] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffefca4f340 [ 71.360440] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9bd7332bf0 [ 71.361323] R13: 00007ffefca4f670 R14: 0000000000000000 R15: 00000000000000f8 [ 71.362194] [ 71.362525] irq event stamp: 10407 [ 71.362959] hardirqs last enabled at (10417): [] __up_console_sem+0x78/0x80 [ 71.364005] hardirqs last disabled at (10428): [] __up_console_sem+0x5d/0x80 [ 71.365098] softirqs last enabled at (10314): [] irq_exit_rcu+0x93/0xc0 [ 71.366143] softirqs last disabled at (10309): [] irq_exit_rcu+0x93/0xc0 [ 71.367183] ---[ end trace 0000000000000000 ]--- [ 72.931944] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 74.979342] Bluetooth: hci0: command 0x041b tx timeout [ 77.027357] Bluetooth: hci0: command 0x040f tx timeout executing program [ 79.075343] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:31:46 Registers: info registers vcpu 0 RAX=ffffffff818109ee RBX=ffffffff813abe20 RCX=0000000000000001 RDX=1ffff11002b6becb RSI=ffffffff818109ee RDI=ffff888015b5f6c8 RBP=ffff888015b5f698 RSP=ffff888015b5f5f8 R8 =ffffffff8612dcda R9 =ffffffff8612dcde R10=0000000000038001 R11=ffff888015b5f640 R12=ffff888015b5f6c8 R13=0000000000000000 R14=ffff88800f83b680 R15=ffff888015b5fa18 RIP=ffffffff844e9f60 RFL=00000286 [--S--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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fcaec79d700 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=00007f60c9166a80 CR3=000000000d4d2000 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=bc1c159fbe56d385e4454b0051df457b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=7c60a7c316dfdbfc000000000013bfc0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=396968da6f33d31d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf287e5 RCX=ffffffff813053e5 RDX=0000000000000005 RSI=0000000000000200 RDI=0000000000000000 RBP=0000000000000200 RSP=ffff8880201ef728 R8 =0000000000000001 R9 =fffffbfff0aa3c9d R10=ffffffff8551e4ef R11=0000000000000001 R12=0000000000000029 R13=0000000000000002 R14=ffffffff8552d008 R15=0000000000000029 RIP=ffffffff814bf448 RFL=00000046 [---Z-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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 000055555578b400 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=00007f60c912dba0 CR3=0000000017256000 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