syzkaller login: [ 35.060283] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:32427' (ECDSA) to the list of known hosts. 2023/05/17 04:10:55 fuzzer started 2023/05/17 04:10:55 dialing manager at localhost:35573 2023/05/17 04:10:55 checking machine... 2023/05/17 04:10:55 checking revisions... [ 40.011358] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:10:55 testing simple program... [ 40.089988] cgroup: Unknown subsys name 'net' [ 40.184719] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.401397] audit: type=1400 audit(1684296669.946:6): 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 executing program [ 55.538385] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.539861] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.541881] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.546097] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.547723] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.548843] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.911781] ------------[ cut here ]------------ [ 55.912581] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.914412] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.915624] Modules linked in: [ 55.916040] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.920976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.922121] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.922791] 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 [ 55.924985] RSP: 0018:ffff88801a23fc00 EFLAGS: 00010282 [ 55.925656] RAX: 0000000000000000 RBX: ffff88800ea4c440 RCX: 0000000000000000 [ 55.926538] RDX: ffff88800dd851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.927420] RBP: ffff88800ea4c454 R08: 0000000000000001 R09: 0000000000000000 [ 55.928337] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.929215] R13: ffffffff84e223a0 R14: ffff88800ea4c448 R15: ffffffff84d73340 [ 55.930070] FS: 0000555555b4e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.931047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.931774] CR2: 00007ff9952146f4 CR3: 000000001a03a000 CR4: 0000000000350ee0 [ 55.932694] Call Trace: [ 55.933017] [ 55.933336] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.933938] ipv4_frags_init_net+0x269/0x440 [ 55.934514] ops_init+0xbb/0x6b0 [ 55.934960] setup_net+0x3d9/0x990 [ 55.935432] ? down_read_killable+0x1d7/0x4e0 [ 55.935991] ? __pfx_setup_net+0x10/0x10 [ 55.936557] ? copy_net_ns+0x17c/0x770 [ 55.937064] copy_net_ns+0x321/0x770 [ 55.937570] create_new_namespaces+0x3f6/0xb30 [ 55.938148] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.938794] ksys_unshare+0x44d/0x8e0 [ 55.939310] ? __pfx_ksys_unshare+0x10/0x10 [ 55.939848] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.940629] __x64_sys_unshare+0x31/0x40 [ 55.941140] do_syscall_64+0x3f/0x90 [ 55.941640] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.942296] RIP: 0033:0x7f3358ae60d7 [ 55.942753] 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 [ 55.944920] RSP: 002b:00007ffeba2c6668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.945858] RAX: ffffffffffffffda RBX: 00007ffeba2c6ca8 RCX: 00007f3358ae60d7 [ 55.946740] RDX: 00007f3358b5041f RSI: 00007ffeba2c6600 RDI: 0000000040000000 [ 55.947610] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeba2c6410 [ 55.948521] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3358bf8bf0 [ 55.949412] R13: 00007ffeba2c6740 R14: 0000000000000000 R15: 00000000000000f8 [ 55.950306] [ 55.950613] irq event stamp: 7903 [ 55.951035] hardirqs last enabled at (7913): [] __up_console_sem+0x78/0x80 [ 55.952115] hardirqs last disabled at (7924): [] __up_console_sem+0x5d/0x80 [ 55.953197] softirqs last enabled at (7452): [] irq_exit_rcu+0x93/0xc0 [ 55.954221] softirqs last disabled at (7401): [] irq_exit_rcu+0x93/0xc0 [ 55.955231] ---[ end trace 0000000000000000 ]--- [ 55.961041] ------------[ cut here ]------------ [ 55.961659] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.963414] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.964483] Modules linked in: [ 55.964885] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.966031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.967029] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.967702] 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 [ 55.969871] RSP: 0018:ffff88801a23fc00 EFLAGS: 00010282 [ 55.970544] RAX: 0000000000000000 RBX: ffff88800d637c40 RCX: 0000000000000000 [ 55.971423] RDX: ffff88800dd851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.972357] RBP: ffff88800d637c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.973228] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.974069] R13: ffffffff84e223a0 R14: ffff88800d637c48 R15: ffffffff84da62e0 [ 55.974947] FS: 0000555555b4e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.975932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.976700] CR2: 00007ff9952146f4 CR3: 000000001a03a000 CR4: 0000000000350ee0 [ 55.977574] Call Trace: [ 55.977896] [ 55.978221] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.978826] ipv6_frags_init_net+0x206/0x3c0 [ 55.979407] ops_init+0xbb/0x6b0 [ 55.979847] setup_net+0x3d9/0x990 [ 55.980380] ? down_read_killable+0x1d7/0x4e0 [ 55.980945] ? __pfx_setup_net+0x10/0x10 [ 55.981476] ? copy_net_ns+0x17c/0x770 [ 55.981980] copy_net_ns+0x321/0x770 [ 55.982485] create_new_namespaces+0x3f6/0xb30 [ 55.983066] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.983694] ksys_unshare+0x44d/0x8e0 [ 55.984234] ? __pfx_ksys_unshare+0x10/0x10 [ 55.984771] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.985496] __x64_sys_unshare+0x31/0x40 [ 55.986009] do_syscall_64+0x3f/0x90 [ 55.986509] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.987145] RIP: 0033:0x7f3358ae60d7 [ 55.987638] 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 [ 55.989823] RSP: 002b:00007ffeba2c6668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.990763] RAX: ffffffffffffffda RBX: 00007ffeba2c6ca8 RCX: 00007f3358ae60d7 [ 55.991631] RDX: 00007f3358b5041f RSI: 00007ffeba2c6600 RDI: 0000000040000000 [ 55.992543] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeba2c6410 [ 55.993430] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3358bf8bf0 [ 55.994316] R13: 00007ffeba2c6740 R14: 0000000000000000 R15: 00000000000000f8 [ 55.995226] [ 55.995521] irq event stamp: 9789 [ 55.995935] hardirqs last enabled at (9799): [] __up_console_sem+0x78/0x80 [ 55.997018] hardirqs last disabled at (9810): [] __up_console_sem+0x5d/0x80 [ 55.998060] softirqs last enabled at (9362): [] irq_exit_rcu+0x93/0xc0 [ 55.999075] softirqs last disabled at (9357): [] irq_exit_rcu+0x93/0xc0 [ 56.000110] ---[ end trace 0000000000000000 ]--- [ 56.001474] ------------[ cut here ]------------ [ 56.002049] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.003901] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.004990] Modules linked in: [ 56.005423] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.006564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.007564] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.008246] 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 [ 56.010388] RSP: 0018:ffff88801a23fbf0 EFLAGS: 00010286 [ 56.011033] RAX: 0000000000000000 RBX: ffff88800d636640 RCX: 0000000000000000 [ 56.011913] RDX: ffff88800dd851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.012844] RBP: ffff88800d636654 R08: 0000000000000001 R09: 0000000000000000 [ 56.013720] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.014604] R13: ffffffff84e223a0 R14: ffff88800d636648 R15: ffffffff84daf020 [ 56.015490] FS: 0000555555b4e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.016497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.017230] CR2: 00007ff9952146f4 CR3: 000000001a03a000 CR4: 0000000000350ee0 [ 56.018092] Call Trace: [ 56.018450] [ 56.018749] nf_ct_net_init+0x224/0x3d0 [ 56.019289] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.019860] ops_init+0xbb/0x6b0 [ 56.020364] setup_net+0x3d9/0x990 [ 56.020813] ? down_read_killable+0x1d7/0x4e0 [ 56.021391] ? __pfx_setup_net+0x10/0x10 [ 56.021907] ? copy_net_ns+0x17c/0x770 [ 56.022434] copy_net_ns+0x321/0x770 [ 56.022910] create_new_namespaces+0x3f6/0xb30 [ 56.023517] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.024148] ksys_unshare+0x44d/0x8e0 [ 56.024661] ? __pfx_ksys_unshare+0x10/0x10 [ 56.025234] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.025945] __x64_sys_unshare+0x31/0x40 [ 56.026493] do_syscall_64+0x3f/0x90 [ 56.026964] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.027621] RIP: 0033:0x7f3358ae60d7 [ 56.028088] 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 [ 56.030245] RSP: 002b:00007ffeba2c6668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.031206] RAX: ffffffffffffffda RBX: 00007ffeba2c6ca8 RCX: 00007f3358ae60d7 [ 56.032046] RDX: 00007f3358b5041f RSI: 00007ffeba2c6600 RDI: 0000000040000000 [ 56.032980] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeba2c6410 [ 56.033858] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3358bf8bf0 [ 56.034742] R13: 00007ffeba2c6740 R14: 0000000000000000 R15: 00000000000000f8 [ 56.035644] [ 56.035944] irq event stamp: 10599 [ 56.036444] hardirqs last enabled at (10611): [] __up_console_sem+0x78/0x80 [ 56.037493] hardirqs last disabled at (10622): [] __up_console_sem+0x5d/0x80 [ 56.038553] softirqs last enabled at (10548): [] irq_exit_rcu+0x93/0xc0 [ 56.039577] softirqs last disabled at (10543): [] irq_exit_rcu+0x93/0xc0 [ 56.040629] ---[ end trace 0000000000000000 ]--- [ 57.563022] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.610897] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.659637] Bluetooth: hci0: command 0x040f tx timeout [ 63.706256] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:11:08 Registers: info registers vcpu 0 RAX=000000000002f347 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f28465ca430 CR3=000000000db72000 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=2031313a31313a34302037312079614d XMM01=5d3034303631392e35352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a23f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 0000555555b4e400 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=00007ff9952146f4 CR3=000000001a03a000 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