syzkaller login: [ 44.820149] sshd (211) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:7569' (ECDSA) to the list of known hosts. 2023/05/16 17:00:57 fuzzer started 2023/05/16 17:00:57 dialing manager at localhost:35573 2023/05/16 17:00:57 checking machine... 2023/05/16 17:00:57 checking revisions... [ 49.241644] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:00:58 testing simple program... [ 49.316012] cgroup: Unknown subsys name 'net' [ 49.402161] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.937339] audit: type=1400 audit(1684256470.757:6): 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 [ 63.071922] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.075297] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.077999] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.090106] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.092104] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.093998] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.486651] ------------[ cut here ]------------ [ 63.487443] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.489791] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.490985] Modules linked in: [ 63.491392] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.494693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.496708] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.497364] 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 [ 63.499733] RSP: 0018:ffff88801a317c00 EFLAGS: 00010282 [ 63.500401] RAX: 0000000000000000 RBX: ffff88800ef3f040 RCX: 0000000000000000 [ 63.501334] RDX: ffff88800e378000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.502234] RBP: ffff88800ef3f054 R08: 0000000000000001 R09: 0000000000000000 [ 63.503143] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.504031] R13: ffffffff84e223a0 R14: ffff88800ef3f048 R15: ffffffff84d73340 [ 63.504947] FS: 0000555555d74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.505965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.506714] CR2: 00007f150197a6f4 CR3: 000000001614c000 CR4: 0000000000350ef0 [ 63.507601] Call Trace: [ 63.507928] [ 63.508229] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.508885] ipv4_frags_init_net+0x269/0x440 [ 63.509453] ops_init+0xbb/0x6b0 [ 63.509956] setup_net+0x3d9/0x990 [ 63.510416] ? down_read_killable+0x1d7/0x4e0 [ 63.511027] ? __pfx_setup_net+0x10/0x10 [ 63.511540] ? copy_net_ns+0x17c/0x770 [ 63.512081] copy_net_ns+0x321/0x770 [ 63.512555] create_new_namespaces+0x3f6/0xb30 [ 63.513170] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.513817] ksys_unshare+0x44d/0x8e0 [ 63.514324] ? __pfx_ksys_unshare+0x10/0x10 [ 63.514902] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.515647] __x64_sys_unshare+0x31/0x40 [ 63.516169] do_syscall_64+0x3f/0x90 [ 63.516670] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.517316] RIP: 0033:0x7f2ef9db60d7 [ 63.517821] 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 [ 63.520029] RSP: 002b:00007ffc52c34708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.520986] RAX: ffffffffffffffda RBX: 00007ffc52c34d48 RCX: 00007f2ef9db60d7 [ 63.521896] RDX: 00007f2ef9e2041f RSI: 00007ffc52c346a0 RDI: 0000000040000000 [ 63.522801] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc52c344b0 [ 63.523699] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2ef9ec8bf0 [ 63.524591] R13: 00007ffc52c347e0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.525479] [ 63.525827] irq event stamp: 7919 [ 63.526451] hardirqs last enabled at (7929): [] __up_console_sem+0x78/0x80 [ 63.527806] hardirqs last disabled at (7940): [] __up_console_sem+0x5d/0x80 [ 63.529140] softirqs last enabled at (7520): [] irq_exit_rcu+0x93/0xc0 [ 63.530472] softirqs last disabled at (7505): [] irq_exit_rcu+0x93/0xc0 [ 63.531761] ---[ end trace 0000000000000000 ]--- [ 63.537559] ------------[ cut here ]------------ [ 63.538330] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.540364] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.541716] Modules linked in: [ 63.542249] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.543435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.544480] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.545168] 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 [ 63.547374] RSP: 0018:ffff88801a317c00 EFLAGS: 00010282 [ 63.548087] RAX: 0000000000000000 RBX: ffff88801611ca40 RCX: 0000000000000000 [ 63.548984] RDX: ffff88800e378000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.549894] RBP: ffff88801611ca54 R08: 0000000000000001 R09: 0000000000000000 [ 63.550797] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.551707] R13: ffffffff84e223a0 R14: ffff88801611ca48 R15: ffffffff84da62e0 [ 63.552622] FS: 0000555555d74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.553628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.554374] CR2: 00007f150197a6f4 CR3: 000000001614c000 CR4: 0000000000350ef0 [ 63.555276] Call Trace: [ 63.555631] [ 63.555933] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.556554] ipv6_frags_init_net+0x206/0x3c0 [ 63.557144] ops_init+0xbb/0x6b0 [ 63.557629] setup_net+0x3d9/0x990 [ 63.558099] ? down_read_killable+0x1d7/0x4e0 [ 63.558693] ? __pfx_setup_net+0x10/0x10 [ 63.559205] ? copy_net_ns+0x17c/0x770 [ 63.559737] copy_net_ns+0x321/0x770 [ 63.560224] create_new_namespaces+0x3f6/0xb30 [ 63.560842] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.561474] ksys_unshare+0x44d/0x8e0 [ 63.562031] ? __pfx_ksys_unshare+0x10/0x10 [ 63.562661] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.563378] __x64_sys_unshare+0x31/0x40 [ 63.563925] do_syscall_64+0x3f/0x90 [ 63.564408] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.565089] RIP: 0033:0x7f2ef9db60d7 [ 63.565560] 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 [ 63.567753] RSP: 002b:00007ffc52c34708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.568716] RAX: ffffffffffffffda RBX: 00007ffc52c34d48 RCX: 00007f2ef9db60d7 [ 63.569610] RDX: 00007f2ef9e2041f RSI: 00007ffc52c346a0 RDI: 0000000040000000 [ 63.570488] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc52c344b0 [ 63.571391] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2ef9ec8bf0 [ 63.572305] R13: 00007ffc52c347e0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.573223] [ 63.573537] irq event stamp: 9435 [ 63.574007] hardirqs last enabled at (9447): [] __up_console_sem+0x78/0x80 [ 63.575075] hardirqs last disabled at (9458): [] __up_console_sem+0x5d/0x80 [ 63.576143] softirqs last enabled at (8944): [] irq_exit_rcu+0x93/0xc0 [ 63.577174] softirqs last disabled at (8939): [] irq_exit_rcu+0x93/0xc0 [ 63.578236] ---[ end trace 0000000000000000 ]--- [ 63.579555] ------------[ cut here ]------------ [ 63.580182] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.582063] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.583158] Modules linked in: [ 63.583599] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.584764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.585785] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.586455] 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 [ 63.588628] RSP: 0018:ffff88801a317bf0 EFLAGS: 00010286 [ 63.589287] RAX: 0000000000000000 RBX: ffff88801611c440 RCX: 0000000000000000 [ 63.590210] RDX: ffff88800e378000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.591113] RBP: ffff88801611c454 R08: 0000000000000001 R09: 0000000000000000 [ 63.592010] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.592921] R13: ffffffff84e223a0 R14: ffff88801611c448 R15: ffffffff84daf020 [ 63.593838] FS: 0000555555d74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.594881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.595639] CR2: 00007f150197a6f4 CR3: 000000001614c000 CR4: 0000000000350ef0 [ 63.596504] Call Trace: [ 63.596864] [ 63.597169] nf_ct_net_init+0x224/0x3d0 [ 63.597723] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.598318] ops_init+0xbb/0x6b0 [ 63.598799] setup_net+0x3d9/0x990 [ 63.599270] ? down_read_killable+0x1d7/0x4e0 [ 63.599880] ? __pfx_setup_net+0x10/0x10 [ 63.600392] ? copy_net_ns+0x17c/0x770 [ 63.600935] copy_net_ns+0x321/0x770 [ 63.601423] create_new_namespaces+0x3f6/0xb30 [ 63.602066] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.602720] ksys_unshare+0x44d/0x8e0 [ 63.603228] ? __pfx_ksys_unshare+0x10/0x10 [ 63.603819] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.604540] __x64_sys_unshare+0x31/0x40 [ 63.605110] do_syscall_64+0x3f/0x90 [ 63.605626] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.606283] RIP: 0033:0x7f2ef9db60d7 [ 63.606792] 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 [ 63.608967] RSP: 002b:00007ffc52c34708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.609941] RAX: ffffffffffffffda RBX: 00007ffc52c34d48 RCX: 00007f2ef9db60d7 [ 63.610859] RDX: 00007f2ef9e2041f RSI: 00007ffc52c346a0 RDI: 0000000040000000 [ 63.611760] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc52c344b0 [ 63.612667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2ef9ec8bf0 [ 63.613548] R13: 00007ffc52c347e0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.614476] [ 63.614818] irq event stamp: 10161 [ 63.615258] hardirqs last enabled at (10171): [] __up_console_sem+0x78/0x80 [ 63.616347] hardirqs last disabled at (10182): [] __up_console_sem+0x5d/0x80 [ 63.617433] softirqs last enabled at (10018): [] irq_exit_rcu+0x93/0xc0 [ 63.618504] softirqs last disabled at (10013): [] irq_exit_rcu+0x93/0xc0 [ 63.619544] ---[ end trace 0000000000000000 ]--- executing program [ 65.147164] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.194651] Bluetooth: hci0: command 0x041b tx timeout [ 69.242690] Bluetooth: hci0: command 0x040f tx timeout executing program [ 71.290658] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:01:06 Registers: info registers vcpu 0 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a3175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 0000555555d74400 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=00007f150197a6f4 CR3=000000001614c000 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=dffffc0000000000 RBX=ffff888016d7f2c0 RCX=0000000000000001 RDX=1ffff11002dafe70 RSI=ffffffff818a4195 RDI=ffff888016d7f2cc RBP=ffff888016d7f380 RSP=ffff888016d7f1d8 R8 =ffffffff8613cb72 R9 =ffffffff8613cb76 R10=0000000000038001 R11=ffff888016d7f238 R12=ffff888016d7f2c0 R13=0000000000000000 R14=ffff88800f46b680 R15=0000000000092cc0 RIP=ffffffff813abef7 RFL=00000246 [---Z-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 00007f34a0e43900 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=00007f34a023e370 CR3=000000000e7e0000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=5130a24c1a03de6d000000000013cd58 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3425d1db2f45bfaa00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000