syzkaller login: [ 33.510453] sshd (226) used greatest stack depth: 24032 bytes left Warning: Permanently added '[localhost]:57706' (ECDSA) to the list of known hosts. 2023/05/18 00:25:55 fuzzer started 2023/05/18 00:25:56 dialing manager at localhost:44319 2023/05/18 00:25:56 checking machine... 2023/05/18 00:25:56 checking revisions... [ 34.679243] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:25:56 testing simple program... [ 34.749144] cgroup: Unknown subsys name 'net' [ 34.911478] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.420476] audit: type=1400 audit(1684369569.116:6): 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 [ 48.534791] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.536494] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.539198] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.542165] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.543770] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.544897] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.936549] ------------[ cut here ]------------ [ 48.937626] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 48.939615] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.940979] Modules linked in: [ 48.941471] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.945785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.946847] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.947494] 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 [ 48.949661] RSP: 0018:ffff888020557c00 EFLAGS: 00010282 [ 48.950329] RAX: 0000000000000000 RBX: ffff88800cc53840 RCX: 0000000000000000 [ 48.951226] RDX: ffff888016fbb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.952115] RBP: ffff88800cc53854 R08: 0000000000000001 R09: 0000000000000000 [ 48.953022] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 48.953904] R13: ffffffff84e23fe0 R14: ffff88800cc53848 R15: ffffffff84d74dc0 [ 48.954793] FS: 0000555555817400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.955786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.956498] CR2: 00007f50e99b6ba0 CR3: 000000001677c000 CR4: 0000000000350ee0 [ 48.957382] Call Trace: [ 48.957752] [ 48.958070] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 48.958743] ipv4_frags_init_net+0x269/0x440 [ 48.959342] ops_init+0xbb/0x6b0 [ 48.959817] setup_net+0x3d9/0x990 [ 48.960301] ? down_read_killable+0x1d7/0x4e0 [ 48.960944] ? __pfx_setup_net+0x10/0x10 [ 48.961497] ? copy_net_ns+0x17c/0x770 [ 48.962064] copy_net_ns+0x321/0x770 [ 48.962598] create_new_namespaces+0x3f6/0xb30 [ 48.963245] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.963927] ksys_unshare+0x44d/0x8e0 [ 48.964444] ? __pfx_ksys_unshare+0x10/0x10 [ 48.965064] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.965848] __x64_sys_unshare+0x31/0x40 [ 48.966388] do_syscall_64+0x3f/0x90 [ 48.966921] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.967591] RIP: 0033:0x7fa1f091f0d7 [ 48.968112] 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 [ 48.970375] RSP: 002b:00007fffa6ef3358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.971373] RAX: ffffffffffffffda RBX: 00007fffa6ef3998 RCX: 00007fa1f091f0d7 [ 48.972287] RDX: 00007fa1f098941f RSI: 00007fffa6ef32f0 RDI: 0000000040000000 [ 48.973239] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa6ef3100 [ 48.974155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa1f0a31bf0 [ 48.975098] R13: 00007fffa6ef3430 R14: 0000000000000000 R15: 00000000000000f8 [ 48.976047] [ 48.976363] irq event stamp: 8115 [ 48.976846] hardirqs last enabled at (8127): [] __up_console_sem+0x78/0x80 [ 48.977978] hardirqs last disabled at (8138): [] __up_console_sem+0x5d/0x80 [ 48.979091] softirqs last enabled at (7664): [] irq_exit_rcu+0x93/0xc0 [ 48.980163] softirqs last disabled at (7643): [] irq_exit_rcu+0x93/0xc0 [ 48.981245] ---[ end trace 0000000000000000 ]--- [ 48.986464] ------------[ cut here ]------------ [ 48.987111] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.988849] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.989941] Modules linked in: [ 48.990351] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.991550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.992623] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.993355] 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 [ 48.995588] RSP: 0018:ffff888020557c00 EFLAGS: 00010282 [ 48.996290] RAX: 0000000000000000 RBX: ffff88800ea25640 RCX: 0000000000000000 [ 48.997241] RDX: ffff888016fbb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.998158] RBP: ffff88800ea25654 R08: 0000000000000001 R09: 0000000000000000 [ 48.999071] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.999993] R13: ffffffff84e23fe0 R14: ffff88800ea25648 R15: ffffffff84da7d60 [ 49.000947] FS: 0000555555817400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.001977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.002738] CR2: 00007f50e99b6ba0 CR3: 000000001677c000 CR4: 0000000000350ee0 [ 49.003618] Call Trace: [ 49.003976] [ 49.004291] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.004991] ipv6_frags_init_net+0x206/0x3c0 [ 49.005568] ops_init+0xbb/0x6b0 [ 49.006070] setup_net+0x3d9/0x990 [ 49.006552] ? down_read_killable+0x1d7/0x4e0 [ 49.007176] ? __pfx_setup_net+0x10/0x10 [ 49.007738] ? copy_net_ns+0x17c/0x770 [ 49.008249] copy_net_ns+0x321/0x770 [ 49.008784] create_new_namespaces+0x3f6/0xb30 [ 49.009387] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.010070] ksys_unshare+0x44d/0x8e0 [ 49.010579] ? __pfx_ksys_unshare+0x10/0x10 [ 49.011177] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.011945] __x64_sys_unshare+0x31/0x40 [ 49.012498] do_syscall_64+0x3f/0x90 [ 49.013048] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.013778] RIP: 0033:0x7fa1f091f0d7 [ 49.014265] 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 [ 49.016481] RSP: 002b:00007fffa6ef3358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.017482] RAX: ffffffffffffffda RBX: 00007fffa6ef3998 RCX: 00007fa1f091f0d7 [ 49.018397] RDX: 00007fa1f098941f RSI: 00007fffa6ef32f0 RDI: 0000000040000000 [ 49.019330] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa6ef3100 [ 49.020263] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa1f0a31bf0 [ 49.021222] R13: 00007fffa6ef3430 R14: 0000000000000000 R15: 00000000000000f8 [ 49.022190] [ 49.022510] irq event stamp: 9943 [ 49.022984] hardirqs last enabled at (9955): [] __up_console_sem+0x78/0x80 [ 49.024026] hardirqs last disabled at (9966): [] __up_console_sem+0x5d/0x80 [ 49.025097] softirqs last enabled at (9928): [] irq_exit_rcu+0x93/0xc0 [ 49.026117] softirqs last disabled at (9919): [] irq_exit_rcu+0x93/0xc0 [ 49.027129] ---[ end trace 0000000000000000 ]--- [ 49.028552] ------------[ cut here ]------------ [ 49.029212] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.031120] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.032224] Modules linked in: [ 49.032652] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.033909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.034968] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.035643] 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 [ 49.037984] RSP: 0018:ffff888020557bf0 EFLAGS: 00010286 [ 49.038722] RAX: 0000000000000000 RBX: ffff88800ea25040 RCX: 0000000000000000 [ 49.039640] RDX: ffff888016fbb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.040574] RBP: ffff88800ea25054 R08: 0000000000000001 R09: 0000000000000000 [ 49.041530] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.042490] R13: ffffffff84e23fe0 R14: ffff88800ea25048 R15: ffffffff84db0aa0 [ 49.043431] FS: 0000555555817400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.044487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.045290] CR2: 00007f50e99b6ba0 CR3: 000000001677c000 CR4: 0000000000350ee0 [ 49.046233] Call Trace: [ 49.046580] [ 49.046927] nf_ct_net_init+0x224/0x3d0 [ 49.047461] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.048101] ops_init+0xbb/0x6b0 [ 49.048563] setup_net+0x3d9/0x990 [ 49.049079] ? down_read_killable+0x1d7/0x4e0 [ 49.049711] ? __pfx_setup_net+0x10/0x10 [ 49.050253] ? copy_net_ns+0x17c/0x770 [ 49.050824] copy_net_ns+0x321/0x770 [ 49.051329] create_new_namespaces+0x3f6/0xb30 [ 49.051981] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.052634] ksys_unshare+0x44d/0x8e0 [ 49.053197] ? __pfx_ksys_unshare+0x10/0x10 [ 49.053807] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.054558] __x64_sys_unshare+0x31/0x40 [ 49.055134] do_syscall_64+0x3f/0x90 [ 49.055642] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.056360] RIP: 0033:0x7fa1f091f0d7 [ 49.056874] 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 [ 49.059184] RSP: 002b:00007fffa6ef3358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.060178] RAX: ffffffffffffffda RBX: 00007fffa6ef3998 RCX: 00007fa1f091f0d7 [ 49.061129] RDX: 00007fa1f098941f RSI: 00007fffa6ef32f0 RDI: 0000000040000000 [ 49.062065] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa6ef3100 [ 49.062993] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa1f0a31bf0 [ 49.063924] R13: 00007fffa6ef3430 R14: 0000000000000000 R15: 00000000000000f8 [ 49.064869] [ 49.065213] irq event stamp: 10763 [ 49.065662] hardirqs last enabled at (10773): [] __up_console_sem+0x78/0x80 [ 49.066805] hardirqs last disabled at (10786): [] __up_console_sem+0x5d/0x80 [ 49.067920] softirqs last enabled at (10642): [] irq_exit_rcu+0x93/0xc0 [ 49.069020] softirqs last disabled at (10637): [] irq_exit_rcu+0x93/0xc0 [ 49.070110] ---[ end trace 0000000000000000 ]--- executing program [ 50.614331] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 52.661787] Bluetooth: hci0: command 0x041b tx timeout [ 54.709761] Bluetooth: hci0: command 0x040f tx timeout executing program [ 56.757831] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:26:09 Registers: info registers vcpu 0 RAX=000000000001f873 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007f50e9a425d8 CR3=000000000da80000 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=2030313a36323a30302038312079614d XMM01=5d3531363933392e38342020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3531363933392e38342020205b XMM07=79732030313a36323a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880205575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555817400 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=00007f50e99b6ba0 CR3=000000001677c000 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