syzkaller login: [ 61.175687] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:4654' (ECDSA) to the list of known hosts. 2023/05/16 13:43:38 fuzzer started 2023/05/16 13:43:39 dialing manager at localhost:35573 2023/05/16 13:43:39 checking machine... 2023/05/16 13:43:39 checking revisions... [ 62.320797] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:43:39 testing simple program... [ 62.391934] cgroup: Unknown subsys name 'net' [ 62.468744] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 74.449043] audit: type=1400 audit(1684244631.479:6): 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 [ 75.548415] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.550407] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.553322] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.557280] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.559116] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.560752] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.936476] ------------[ cut here ]------------ [ 75.937654] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 75.939622] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.940716] Modules linked in: [ 75.941134] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 75.946369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.947471] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.948107] 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 [ 75.950371] RSP: 0018:ffff88801d9dfc00 EFLAGS: 00010282 [ 75.951064] RAX: 0000000000000000 RBX: ffff88800ec46440 RCX: 0000000000000000 [ 75.952016] RDX: ffff888016cf9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 75.952953] RBP: ffff88800ec46454 R08: 0000000000000001 R09: 0000000000000000 [ 75.953903] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 75.954849] R13: ffffffff84e223a0 R14: ffff88800ec46448 R15: ffffffff84d73340 [ 75.955809] FS: 00005555572be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 75.956864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.957648] CR2: 00007fa57548e630 CR3: 000000000e628000 CR4: 0000000000350ef0 [ 75.958600] Call Trace: [ 75.958947] [ 75.959285] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 75.959931] ipv4_frags_init_net+0x269/0x440 [ 75.960547] ops_init+0xbb/0x6b0 [ 75.961013] setup_net+0x3d9/0x990 [ 75.961515] ? down_read_killable+0x1d7/0x4e0 [ 75.962115] ? __pfx_setup_net+0x10/0x10 [ 75.962712] ? copy_net_ns+0x17c/0x770 [ 75.963284] copy_net_ns+0x321/0x770 [ 75.963786] create_new_namespaces+0x3f6/0xb30 [ 75.964435] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.965079] ksys_unshare+0x44d/0x8e0 [ 75.965624] ? __pfx_ksys_unshare+0x10/0x10 [ 75.966234] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.967004] __x64_sys_unshare+0x31/0x40 [ 75.967591] do_syscall_64+0x3f/0x90 [ 75.968094] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.968804] RIP: 0033:0x7f91d5f7d0d7 [ 75.969317] 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 [ 75.971613] RSP: 002b:00007ffc7689bc08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 75.972607] RAX: ffffffffffffffda RBX: 00007ffc7689c248 RCX: 00007f91d5f7d0d7 [ 75.973530] RDX: 00007f91d5fe741f RSI: 00007ffc7689bba0 RDI: 0000000040000000 [ 75.974481] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7689b9b0 [ 75.975418] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f91d608fbf0 [ 75.976361] R13: 00007ffc7689bce0 R14: 0000000000000000 R15: 00000000000000f8 [ 75.977305] [ 75.977615] irq event stamp: 8313 [ 75.978057] hardirqs last enabled at (8323): [] __up_console_sem+0x78/0x80 [ 75.979219] hardirqs last disabled at (8334): [] __up_console_sem+0x5d/0x80 [ 75.980322] softirqs last enabled at (7960): [] irq_exit_rcu+0x93/0xc0 [ 75.981394] softirqs last disabled at (7951): [] irq_exit_rcu+0x93/0xc0 [ 75.982491] ---[ end trace 0000000000000000 ]--- [ 75.987644] ------------[ cut here ]------------ [ 75.988290] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 75.989975] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.991096] Modules linked in: [ 75.991555] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 75.992777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.993856] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.994563] 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 [ 75.996842] RSP: 0018:ffff88801d9dfc00 EFLAGS: 00010282 [ 75.997554] RAX: 0000000000000000 RBX: ffff888013a22640 RCX: 0000000000000000 [ 75.998515] RDX: ffff888016cf9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 75.999460] RBP: ffff888013a22654 R08: 0000000000000001 R09: 0000000000000000 [ 76.000378] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.001298] R13: ffffffff84e223a0 R14: ffff888013a22648 R15: ffffffff84da62e0 [ 76.002567] FS: 00005555572be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.003785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.004705] CR2: 00007fa57548e630 CR3: 000000000e628000 CR4: 0000000000350ef0 [ 76.005741] Call Trace: [ 76.006069] [ 76.006425] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.007036] ipv6_frags_init_net+0x206/0x3c0 [ 76.007617] ops_init+0xbb/0x6b0 [ 76.008060] setup_net+0x3d9/0x990 [ 76.008540] ? down_read_killable+0x1d7/0x4e0 [ 76.009108] ? __pfx_setup_net+0x10/0x10 [ 76.009681] ? copy_net_ns+0x17c/0x770 [ 76.010233] copy_net_ns+0x321/0x770 [ 76.010762] create_new_namespaces+0x3f6/0xb30 [ 76.011407] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.012048] ksys_unshare+0x44d/0x8e0 [ 76.012596] ? __pfx_ksys_unshare+0x10/0x10 [ 76.013165] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.013947] __x64_sys_unshare+0x31/0x40 [ 76.014537] do_syscall_64+0x3f/0x90 [ 76.015041] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.015744] RIP: 0033:0x7f91d5f7d0d7 [ 76.016257] 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 [ 76.018554] RSP: 002b:00007ffc7689bc08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.019551] RAX: ffffffffffffffda RBX: 00007ffc7689c248 RCX: 00007f91d5f7d0d7 [ 76.020485] RDX: 00007f91d5fe741f RSI: 00007ffc7689bba0 RDI: 0000000040000000 [ 76.021426] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7689b9b0 [ 76.022357] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f91d608fbf0 [ 76.023286] R13: 00007ffc7689bce0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.024243] [ 76.024560] irq event stamp: 9951 [ 76.025013] hardirqs last enabled at (9961): [] __up_console_sem+0x78/0x80 [ 76.026135] hardirqs last disabled at (9972): [] __up_console_sem+0x5d/0x80 [ 76.027276] softirqs last enabled at (9476): [] irq_exit_rcu+0x93/0xc0 [ 76.028362] softirqs last disabled at (9471): [] irq_exit_rcu+0x93/0xc0 [ 76.029447] ---[ end trace 0000000000000000 ]--- [ 76.030805] ------------[ cut here ]------------ [ 76.031497] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.033537] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.034643] Modules linked in: [ 76.035064] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.036267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.037323] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.037989] 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 [ 76.040331] RSP: 0018:ffff88801d9dfbf0 EFLAGS: 00010286 [ 76.041011] RAX: 0000000000000000 RBX: ffff888013a22c40 RCX: 0000000000000000 [ 76.041960] RDX: ffff888016cf9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.042908] RBP: ffff888013a22c54 R08: 0000000000000001 R09: 0000000000000000 [ 76.043832] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.044768] R13: ffffffff84e223a0 R14: ffff888013a22c48 R15: ffffffff84daf020 [ 76.045723] FS: 00005555572be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.046794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.047572] CR2: 00007fa57548e630 CR3: 000000000e628000 CR4: 0000000000350ef0 [ 76.048512] Call Trace: [ 76.048862] [ 76.049211] nf_ct_net_init+0x224/0x3d0 [ 76.049765] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.050410] ops_init+0xbb/0x6b0 [ 76.050867] setup_net+0x3d9/0x990 [ 76.051366] ? down_read_killable+0x1d7/0x4e0 [ 76.051953] ? __pfx_setup_net+0x10/0x10 [ 76.052518] ? copy_net_ns+0x17c/0x770 [ 76.053041] copy_net_ns+0x321/0x770 [ 76.053572] create_new_namespaces+0x3f6/0xb30 [ 76.054219] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.054868] ksys_unshare+0x44d/0x8e0 [ 76.055434] ? __pfx_ksys_unshare+0x10/0x10 [ 76.056011] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.056787] __x64_sys_unshare+0x31/0x40 [ 76.057364] do_syscall_64+0x3f/0x90 [ 76.057862] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.058580] RIP: 0033:0x7f91d5f7d0d7 [ 76.059066] 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 [ 76.061375] RSP: 002b:00007ffc7689bc08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.062384] RAX: ffffffffffffffda RBX: 00007ffc7689c248 RCX: 00007f91d5f7d0d7 [ 76.063325] RDX: 00007f91d5fe741f RSI: 00007ffc7689bba0 RDI: 0000000040000000 [ 76.064251] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7689b9b0 [ 76.065150] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f91d608fbf0 [ 76.066088] R13: 00007ffc7689bce0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.067055] [ 76.067399] irq event stamp: 10735 [ 76.067860] hardirqs last enabled at (10745): [] __up_console_sem+0x78/0x80 [ 76.068995] hardirqs last disabled at (10756): [] __up_console_sem+0x5d/0x80 [ 76.070110] softirqs last enabled at (10642): [] irq_exit_rcu+0x93/0xc0 [ 76.071238] softirqs last disabled at (10633): [] irq_exit_rcu+0x93/0xc0 [ 76.072324] ---[ end trace 0000000000000000 ]--- executing program [ 77.627862] Bluetooth: hci0: command 0x0409 tx timeout [ 79.676344] Bluetooth: hci0: command 0x041b tx timeout executing program [ 81.723336] Bluetooth: hci0: command 0x040f tx timeout executing program [ 83.771266] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:43:28 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801d9df5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555572be400 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=00007fa57548e630 CR3=000000000e628000 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=0000000000000000 RBX=ffffffff85e24d08 RCX=ffffffff81b523b0 RDX=0000000000000001 RSI=ffffffff861748d0 RDI=ffffffff85e24d00 RBP=ffffffff85e24d08 RSP=ffff888017717428 R8 =ffffffff861748d0 R9 =ffffffff8616e616 R10=0000000000038001 R11=000000000002cbc0 R12=ffffffff85e24d0c R13=ffffffff85e24d00 R14=ffffffff85e24d04 R15=dffffc0000000000 RIP=ffffffff81130c53 RFL=00000257 [---ZAPC] 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 00007fd0f2174700 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=00007fd0e80360f8 CR3=000000000ddc4000 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=2032353a33343a33312036312079614d XMM01=5d3433313134392e35372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000