syzkaller login: [ 44.116640] sshd (230) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:36200' (ECDSA) to the list of known hosts. 2023/05/18 08:30:42 fuzzer started 2023/05/18 08:30:42 dialing manager at localhost:44319 2023/05/18 08:30:42 checking machine... 2023/05/18 08:30:42 checking revisions... [ 45.132003] kmemleak: Automatic memory scanning thread ended 2023/05/18 08:30:42 testing simple program... [ 45.185795] cgroup: Unknown subsys name 'net' [ 45.260353] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.779093] audit: type=1400 audit(1684398655.300:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.924943] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.927049] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.928201] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.930089] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.931153] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.932405] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.238925] ------------[ cut here ]------------ [ 59.239388] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.240596] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.241338] Modules linked in: [ 59.241630] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.242858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.244389] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.245164] 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 [ 59.247020] RSP: 0018:ffff88800fc1fc00 EFLAGS: 00010282 [ 59.247444] RAX: 0000000000000000 RBX: ffff88800e178040 RCX: 0000000000000000 [ 59.248068] RDX: ffff888016b28000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.248641] RBP: ffff88800e178054 R08: 0000000000000001 R09: 0000000000000000 [ 59.249244] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.249853] R13: ffffffff84e23fe0 R14: ffff88800e178048 R15: ffffffff84d74dc0 [ 59.250470] FS: 0000555557534400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.251160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.251650] CR2: 00007f16cc2db6f4 CR3: 000000000ee08000 CR4: 0000000000350ef0 [ 59.252259] Call Trace: [ 59.252479] [ 59.252713] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.253164] ipv4_frags_init_net+0x269/0x440 [ 59.253543] ops_init+0xbb/0x6b0 [ 59.253882] setup_net+0x3d9/0x990 [ 59.254190] ? down_read_killable+0x1d7/0x4e0 [ 59.254611] ? __pfx_setup_net+0x10/0x10 [ 59.254993] ? copy_net_ns+0x17c/0x770 [ 59.255341] copy_net_ns+0x321/0x770 [ 59.255665] create_new_namespaces+0x3f6/0xb30 [ 59.256088] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.256524] ksys_unshare+0x44d/0x8e0 [ 59.256882] ? __pfx_ksys_unshare+0x10/0x10 [ 59.257250] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.257759] __x64_sys_unshare+0x31/0x40 [ 59.258134] do_syscall_64+0x3f/0x90 [ 59.258526] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.258992] RIP: 0033:0x7ffa65e9d0d7 [ 59.259303] 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 [ 59.260810] RSP: 002b:00007ffdbb1a1d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.261418] RAX: ffffffffffffffda RBX: 00007ffdbb1a2378 RCX: 00007ffa65e9d0d7 [ 59.262056] RDX: 00007ffa65f0741f RSI: 00007ffdbb1a1cd0 RDI: 0000000040000000 [ 59.262621] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb1a1ae0 [ 59.263184] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa65fafbf0 [ 59.263820] R13: 00007ffdbb1a1e10 R14: 0000000000000000 R15: 00000000000000f8 [ 59.264415] [ 59.264603] irq event stamp: 9361 [ 59.264895] hardirqs last enabled at (9373): [] __up_console_sem+0x78/0x80 [ 59.265617] hardirqs last disabled at (9382): [] __up_console_sem+0x5d/0x80 [ 59.266360] softirqs last enabled at (9336): [] irq_exit_rcu+0x93/0xc0 [ 59.267044] softirqs last disabled at (9331): [] irq_exit_rcu+0x93/0xc0 [ 59.267740] ---[ end trace 0000000000000000 ]--- [ 59.276090] ------------[ cut here ]------------ [ 59.276544] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.277670] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.278488] Modules linked in: [ 59.278810] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.279544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.280206] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.280635] 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 [ 59.282066] RSP: 0018:ffff88800fc1fc00 EFLAGS: 00010282 [ 59.282522] RAX: 0000000000000000 RBX: ffff88800c814440 RCX: 0000000000000000 [ 59.283107] RDX: ffff888016b28000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.283681] RBP: ffff88800c814454 R08: 0000000000000001 R09: 0000000000000000 [ 59.284267] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.284868] R13: ffffffff84e23fe0 R14: ffff88800c814448 R15: ffffffff84da7d60 [ 59.285444] FS: 0000555557534400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.286106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.286566] CR2: 00005600730fc59c CR3: 000000000ee08000 CR4: 0000000000350ef0 [ 59.287136] Call Trace: [ 59.287360] [ 59.287564] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.288015] ipv6_frags_init_net+0x206/0x3c0 [ 59.288395] ops_init+0xbb/0x6b0 [ 59.288697] setup_net+0x3d9/0x990 [ 59.289022] ? down_read_killable+0x1d7/0x4e0 [ 59.289403] ? __pfx_setup_net+0x10/0x10 [ 59.289772] ? copy_net_ns+0x17c/0x770 [ 59.290106] copy_net_ns+0x321/0x770 [ 59.290451] create_new_namespaces+0x3f6/0xb30 [ 59.290879] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.291276] ksys_unshare+0x44d/0x8e0 [ 59.291602] ? __pfx_ksys_unshare+0x10/0x10 [ 59.291982] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.292454] __x64_sys_unshare+0x31/0x40 [ 59.292838] do_syscall_64+0x3f/0x90 [ 59.293151] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.293579] RIP: 0033:0x7ffa65e9d0d7 [ 59.293951] 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 [ 59.295422] RSP: 002b:00007ffdbb1a1d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.296030] RAX: ffffffffffffffda RBX: 00007ffdbb1a2378 RCX: 00007ffa65e9d0d7 [ 59.296548] RDX: 00007ffa65f0741f RSI: 00007ffdbb1a1cd0 RDI: 0000000040000000 [ 59.297133] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb1a1ae0 [ 59.297750] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa65fafbf0 [ 59.298353] R13: 00007ffdbb1a1e10 R14: 0000000000000000 R15: 00000000000000f8 [ 59.298936] [ 59.299138] irq event stamp: 11389 [ 59.299407] hardirqs last enabled at (11399): [] __up_console_sem+0x78/0x80 [ 59.300120] hardirqs last disabled at (11410): [] __up_console_sem+0x5d/0x80 [ 59.300836] softirqs last enabled at (10914): [] irq_exit_rcu+0x93/0xc0 [ 59.301478] softirqs last disabled at (10909): [] irq_exit_rcu+0x93/0xc0 [ 59.302135] ---[ end trace 0000000000000000 ]--- [ 59.306846] ------------[ cut here ]------------ [ 59.307288] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.309024] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.309756] Modules linked in: [ 59.310033] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.310859] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.311567] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.312055] 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 [ 59.313533] RSP: 0018:ffff88800fc1fbf0 EFLAGS: 00010286 [ 59.314063] RAX: 0000000000000000 RBX: ffff8880139c0040 RCX: 0000000000000000 [ 59.314653] RDX: ffff888016b28000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.315251] RBP: ffff8880139c0054 R08: 0000000000000001 R09: 0000000000000000 [ 59.315903] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.316475] R13: ffffffff84e23fe0 R14: ffff8880139c0048 R15: ffffffff84db0aa0 [ 59.317070] FS: 0000555557534400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.317766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.318256] CR2: 00005600730fc59c CR3: 000000000ee08000 CR4: 0000000000350ef0 [ 59.318950] Call Trace: [ 59.319223] [ 59.319431] nf_ct_net_init+0x224/0x3d0 [ 59.319832] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.320223] ops_init+0xbb/0x6b0 [ 59.320533] setup_net+0x3d9/0x990 [ 59.320881] ? down_read_killable+0x1d7/0x4e0 [ 59.321298] ? __pfx_setup_net+0x10/0x10 [ 59.321712] ? copy_net_ns+0x17c/0x770 [ 59.322091] copy_net_ns+0x321/0x770 [ 59.322450] create_new_namespaces+0x3f6/0xb30 [ 59.322922] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.323357] ksys_unshare+0x44d/0x8e0 [ 59.323694] ? __pfx_ksys_unshare+0x10/0x10 [ 59.324137] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.324617] __x64_sys_unshare+0x31/0x40 [ 59.325002] do_syscall_64+0x3f/0x90 [ 59.325334] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.325836] RIP: 0033:0x7ffa65e9d0d7 [ 59.326164] 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 [ 59.327775] RSP: 002b:00007ffdbb1a1d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.328424] RAX: ffffffffffffffda RBX: 00007ffdbb1a2378 RCX: 00007ffa65e9d0d7 [ 59.329053] RDX: 00007ffa65f0741f RSI: 00007ffdbb1a1cd0 RDI: 0000000040000000 [ 59.329649] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb1a1ae0 [ 59.330323] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa65fafbf0 [ 59.330955] R13: 00007ffdbb1a1e10 R14: 0000000000000000 R15: 00000000000000f8 [ 59.331557] [ 59.331798] irq event stamp: 12407 [ 59.332098] hardirqs last enabled at (12417): [] __up_console_sem+0x78/0x80 [ 59.332894] hardirqs last disabled at (12428): [] __up_console_sem+0x5d/0x80 [ 59.333602] softirqs last enabled at (12318): [] irq_exit_rcu+0x93/0xc0 [ 59.334401] softirqs last disabled at (12313): [] irq_exit_rcu+0x93/0xc0 [ 59.335135] ---[ end trace 0000000000000000 ]--- executing program [ 61.006407] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.054129] Bluetooth: hci0: command 0x041b tx timeout [ 65.103056] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.150166] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:30:54 Registers: info registers vcpu 0 RAX=000000000000000d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fc1f618 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=000000000000000d 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 0000555557534400 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=00007f16cc2db6f4 CR3=000000000ee08000 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=ffffffff85d35a10 RBX=0000000000000001 RCX=ffffffff812d6c9a RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff85d35a10 RBP=1ffff11002d9ef02 RSP=ffff888016cf77f0 R8 =0000000000000007 R9 =0000000000000000 R10=00000000000000da R11=205d343631353432 R12=ffffffff855fe5c8 R13=ffffffff812fc011 R14=ffffffff855fe560 R15=ffff888016cf7a18 RIP=ffffffff8180f3b2 RFL=00000202 [-------] 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 00007f40741f1700 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=00007f405c039018 CR3=000000000ec8a000 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=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=2b6c74637379735f74656e5f72657473 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000