syzkaller login: [ 39.158731] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:42540' (ECDSA) to the list of known hosts. 2023/05/18 05:22:57 fuzzer started 2023/05/18 05:22:57 dialing manager at localhost:44319 2023/05/18 05:22:57 checking machine... 2023/05/18 05:22:57 checking revisions... [ 44.106775] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:22:57 testing simple program... [ 44.179169] cgroup: Unknown subsys name 'net' [ 44.251073] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.919718] audit: type=1400 audit(1684387391.461:6): 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 executing program [ 59.078427] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.081096] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.082250] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.085674] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.087315] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.089330] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.488611] ------------[ cut here ]------------ [ 59.489237] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.490965] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.491976] Modules linked in: [ 59.492382] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.493809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.498309] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.499001] 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 [ 59.501181] RSP: 0018:ffff8880197cfc00 EFLAGS: 00010282 [ 59.501895] RAX: 0000000000000000 RBX: ffff88800ca48c40 RCX: 0000000000000000 [ 59.502790] RDX: ffff888019d41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.503682] RBP: ffff88800ca48c54 R08: 0000000000000001 R09: 0000000000000000 [ 59.504578] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.505439] R13: ffffffff84e23fe0 R14: ffff88800ca48c48 R15: ffffffff84d74dc0 [ 59.506339] FS: 000055555731e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.507338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.508070] CR2: 00007f48d1ec26f4 CR3: 000000001ee14000 CR4: 0000000000350ef0 [ 59.508974] Call Trace: [ 59.509309] [ 59.509658] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.510290] ipv4_frags_init_net+0x269/0x440 [ 59.510879] ops_init+0xbb/0x6b0 [ 59.511333] setup_net+0x3d9/0x990 [ 59.511824] ? down_read_killable+0x1d7/0x4e0 [ 59.512395] ? __pfx_setup_net+0x10/0x10 [ 59.512942] ? copy_net_ns+0x17c/0x770 [ 59.513449] copy_net_ns+0x321/0x770 [ 59.513971] create_new_namespaces+0x3f6/0xb30 [ 59.514587] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.515195] ksys_unshare+0x44d/0x8e0 [ 59.515726] ? __pfx_ksys_unshare+0x10/0x10 [ 59.516267] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.517011] __x64_sys_unshare+0x31/0x40 [ 59.517562] do_syscall_64+0x3f/0x90 [ 59.518056] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.518735] RIP: 0033:0x7f8ceddb50d7 [ 59.519209] 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 [ 59.521399] RSP: 002b:00007ffccb686018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.522357] RAX: ffffffffffffffda RBX: 00007ffccb686658 RCX: 00007f8ceddb50d7 [ 59.523252] RDX: 00007f8cede1f41f RSI: 00007ffccb685fb0 RDI: 0000000040000000 [ 59.524138] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb685dc0 [ 59.525033] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8cedec7bf0 [ 59.525929] R13: 00007ffccb6860f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.526843] [ 59.527142] irq event stamp: 9029 [ 59.527593] hardirqs last enabled at (9041): [] __up_console_sem+0x78/0x80 [ 59.528647] hardirqs last disabled at (9052): [] __up_console_sem+0x5d/0x80 [ 59.529733] softirqs last enabled at (8526): [] irq_exit_rcu+0x93/0xc0 [ 59.530747] softirqs last disabled at (8455): [] irq_exit_rcu+0x93/0xc0 [ 59.531779] ---[ end trace 0000000000000000 ]--- [ 59.537253] ------------[ cut here ]------------ [ 59.537946] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.539602] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.540677] Modules linked in: [ 59.541081] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.542242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.543246] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.543920] 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 [ 59.546095] RSP: 0018:ffff8880197cfc00 EFLAGS: 00010282 [ 59.546792] RAX: 0000000000000000 RBX: ffff88800e1dd240 RCX: 0000000000000000 [ 59.547672] RDX: ffff888019d41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.548554] RBP: ffff88800e1dd254 R08: 0000000000000001 R09: 0000000000000000 [ 59.549405] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.550303] R13: ffffffff84e23fe0 R14: ffff88800e1dd248 R15: ffffffff84da7d60 [ 59.551202] FS: 000055555731e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.552202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.552937] CR2: 00007f48d1ec26f4 CR3: 000000001ee14000 CR4: 0000000000350ef0 [ 59.553840] Call Trace: [ 59.554165] [ 59.554461] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.555111] ipv6_frags_init_net+0x206/0x3c0 [ 59.555700] ops_init+0xbb/0x6b0 [ 59.556142] setup_net+0x3d9/0x990 [ 59.556634] ? down_read_killable+0x1d7/0x4e0 [ 59.557195] ? __pfx_setup_net+0x10/0x10 [ 59.557764] ? copy_net_ns+0x17c/0x770 [ 59.558270] copy_net_ns+0x321/0x770 [ 59.558782] create_new_namespaces+0x3f6/0xb30 [ 59.559365] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.560011] ksys_unshare+0x44d/0x8e0 [ 59.560525] ? __pfx_ksys_unshare+0x10/0x10 [ 59.561063] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.561806] __x64_sys_unshare+0x31/0x40 [ 59.562322] do_syscall_64+0x3f/0x90 [ 59.562832] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.563473] RIP: 0033:0x7f8ceddb50d7 [ 59.563963] 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 [ 59.566156] RSP: 002b:00007ffccb686018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.567086] RAX: ffffffffffffffda RBX: 00007ffccb686658 RCX: 00007f8ceddb50d7 [ 59.567972] RDX: 00007f8cede1f41f RSI: 00007ffccb685fb0 RDI: 0000000040000000 [ 59.568855] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb685dc0 [ 59.569750] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8cedec7bf0 [ 59.570633] R13: 00007ffccb6860f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.571538] [ 59.571837] irq event stamp: 10663 [ 59.572269] hardirqs last enabled at (10673): [] __up_console_sem+0x78/0x80 [ 59.573332] hardirqs last disabled at (10684): [] __up_console_sem+0x5d/0x80 [ 59.574407] softirqs last enabled at (10312): [] irq_exit_rcu+0x93/0xc0 [ 59.575451] softirqs last disabled at (10307): [] irq_exit_rcu+0x93/0xc0 [ 59.576462] ---[ end trace 0000000000000000 ]--- [ 59.577837] ------------[ cut here ]------------ [ 59.578413] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.580271] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.581350] Modules linked in: [ 59.581789] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.582932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.583938] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.584615] 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 [ 59.586802] RSP: 0018:ffff8880197cfbf0 EFLAGS: 00010286 [ 59.587449] RAX: 0000000000000000 RBX: ffff88800d720a40 RCX: 0000000000000000 [ 59.588333] RDX: ffff888019d41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.589206] RBP: ffff88800d720a54 R08: 0000000000000001 R09: 0000000000000000 [ 59.590115] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.590994] R13: ffffffff84e23fe0 R14: ffff88800d720a48 R15: ffffffff84db0aa0 [ 59.591880] FS: 000055555731e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.592865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.593606] CR2: 00007f48d1ec26f4 CR3: 000000001ee14000 CR4: 0000000000350ef0 [ 59.594465] Call Trace: [ 59.594816] [ 59.595113] nf_ct_net_init+0x224/0x3d0 [ 59.595655] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.596228] ops_init+0xbb/0x6b0 [ 59.596704] setup_net+0x3d9/0x990 [ 59.597156] ? down_read_killable+0x1d7/0x4e0 [ 59.597779] ? __pfx_setup_net+0x10/0x10 [ 59.598283] ? copy_net_ns+0x17c/0x770 [ 59.598815] copy_net_ns+0x321/0x770 [ 59.599298] create_new_namespaces+0x3f6/0xb30 [ 59.599904] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.600560] ksys_unshare+0x44d/0x8e0 [ 59.601049] ? __pfx_ksys_unshare+0x10/0x10 [ 59.601633] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.602339] __x64_sys_unshare+0x31/0x40 [ 59.602890] do_syscall_64+0x3f/0x90 [ 59.603360] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.604040] RIP: 0033:0x7f8ceddb50d7 [ 59.604533] 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 [ 59.606781] RSP: 002b:00007ffccb686018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.607727] RAX: ffffffffffffffda RBX: 00007ffccb686658 RCX: 00007f8ceddb50d7 [ 59.608603] RDX: 00007f8cede1f41f RSI: 00007ffccb685fb0 RDI: 0000000040000000 [ 59.609451] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb685dc0 [ 59.610375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8cedec7bf0 [ 59.611288] R13: 00007ffccb6860f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.612212] [ 59.612553] irq event stamp: 11403 [ 59.613009] hardirqs last enabled at (11413): [] __up_console_sem+0x78/0x80 [ 59.614131] hardirqs last disabled at (11430): [] __up_console_sem+0x5d/0x80 [ 59.615218] softirqs last enabled at (11426): [] irq_exit_rcu+0x93/0xc0 [ 59.616267] softirqs last disabled at (11421): [] irq_exit_rcu+0x93/0xc0 [ 59.617303] ---[ end trace 0000000000000000 ]--- [ 61.163008] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.210570] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.258576] Bluetooth: hci0: command 0x040f tx timeout [ 67.306561] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:23:13 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880197cf5f8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff87f2dbc0 R14=ffffffff87f2dc10 R15=ffffffff87f2de78 RIP=ffffffff82507fdd RFL=00000006 [-----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 000055555731e400 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=00007f48d1ec26f4 CR3=000000001ee14000 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=0000000000029063 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=00007f73b8f81000 CR3=0000000016498000 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=a1fe727eefd733854a44460108f926da XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010e628 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2fbcbbbc1c9f734c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000