syzkaller login: [ 34.266047] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29450' (ECDSA) to the list of known hosts. 2023/05/17 08:40:15 fuzzer started 2023/05/17 08:40:15 dialing manager at localhost:35573 2023/05/17 08:40:15 checking machine... 2023/05/17 08:40:15 checking revisions... [ 35.875480] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:40:15 testing simple program... [ 35.935463] cgroup: Unknown subsys name 'net' [ 35.996083] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.460358] audit: type=1400 audit(1684312828.075:6): 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 [ 49.600360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.601938] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.602879] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.604913] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.605945] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.607993] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.915166] ------------[ cut here ]------------ [ 49.916181] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.917528] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.918223] Modules linked in: [ 49.918576] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.919374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.922440] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.922855] 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 [ 49.924383] RSP: 0018:ffff88800f0f7c00 EFLAGS: 00010282 [ 49.924820] RAX: 0000000000000000 RBX: ffff888015c5ec40 RCX: 0000000000000000 [ 49.925414] RDX: ffff88801c5d1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.925969] RBP: ffff888015c5ec54 R08: 0000000000000001 R09: 0000000000000000 [ 49.926574] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.927188] R13: ffffffff84e223a0 R14: ffff888015c5ec48 R15: ffffffff84d73340 [ 49.927777] FS: 0000555555f78400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.928423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.928924] CR2: 00007f1b5e1e16f4 CR3: 000000000e6ea000 CR4: 0000000000350ee0 [ 49.929542] Call Trace: [ 49.929758] [ 49.929955] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.930386] ipv4_frags_init_net+0x269/0x440 [ 49.930758] ops_init+0xbb/0x6b0 [ 49.931068] setup_net+0x3d9/0x990 [ 49.931408] ? down_read_killable+0x1d7/0x4e0 [ 49.931790] ? __pfx_setup_net+0x10/0x10 [ 49.932129] ? copy_net_ns+0x17c/0x770 [ 49.932496] copy_net_ns+0x321/0x770 [ 49.932818] create_new_namespaces+0x3f6/0xb30 [ 49.933209] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.933633] ksys_unshare+0x44d/0x8e0 [ 49.933946] ? __pfx_ksys_unshare+0x10/0x10 [ 49.934316] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.934775] __x64_sys_unshare+0x31/0x40 [ 49.935143] do_syscall_64+0x3f/0x90 [ 49.935475] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.935883] RIP: 0033:0x7f8dcd7a30d7 [ 49.936176] 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 [ 49.937597] RSP: 002b:00007fff5fb98188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.938180] RAX: ffffffffffffffda RBX: 00007fff5fb987c8 RCX: 00007f8dcd7a30d7 [ 49.938779] RDX: 00007f8dcd80d41f RSI: 00007fff5fb98120 RDI: 0000000040000000 [ 49.939421] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fb97f30 [ 49.940016] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8dcd8b5bf0 [ 49.940622] R13: 00007fff5fb98260 R14: 0000000000000000 R15: 00000000000000f8 [ 49.941183] [ 49.941408] irq event stamp: 9575 [ 49.941679] hardirqs last enabled at (9585): [] __up_console_sem+0x78/0x80 [ 49.942371] hardirqs last disabled at (9596): [] __up_console_sem+0x5d/0x80 [ 49.943024] softirqs last enabled at (9144): [] irq_exit_rcu+0x93/0xc0 [ 49.943705] softirqs last disabled at (9121): [] irq_exit_rcu+0x93/0xc0 [ 49.944374] ---[ end trace 0000000000000000 ]--- [ 49.948931] ------------[ cut here ]------------ [ 49.949356] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.950602] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.951313] Modules linked in: [ 49.951577] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.952322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.952940] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.953373] 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 [ 49.954787] RSP: 0018:ffff88800f0f7c00 EFLAGS: 00010282 [ 49.955236] RAX: 0000000000000000 RBX: ffff88800e334840 RCX: 0000000000000000 [ 49.955808] RDX: ffff88801c5d1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.956425] RBP: ffff88800e334854 R08: 0000000000000001 R09: 0000000000000000 [ 49.957012] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.957624] R13: ffffffff84e223a0 R14: ffff88800e334848 R15: ffffffff84da62e0 [ 49.958179] FS: 0000555555f78400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.958853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.959399] CR2: 00007f1b5e1e16f4 CR3: 000000000e6ea000 CR4: 0000000000350ee0 [ 49.959999] Call Trace: [ 49.960224] [ 49.960470] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.960881] ipv6_frags_init_net+0x206/0x3c0 [ 49.961232] ops_init+0xbb/0x6b0 [ 49.961593] setup_net+0x3d9/0x990 [ 49.961913] ? down_read_killable+0x1d7/0x4e0 [ 49.962372] ? __pfx_setup_net+0x10/0x10 [ 49.962758] ? copy_net_ns+0x17c/0x770 [ 49.963123] copy_net_ns+0x321/0x770 [ 49.963445] create_new_namespaces+0x3f6/0xb30 [ 49.963816] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.964217] ksys_unshare+0x44d/0x8e0 [ 49.964600] ? __pfx_ksys_unshare+0x10/0x10 [ 49.964946] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.965425] __x64_sys_unshare+0x31/0x40 [ 49.965750] do_syscall_64+0x3f/0x90 [ 49.966050] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.966487] RIP: 0033:0x7f8dcd7a30d7 [ 49.966790] 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 [ 49.968252] RSP: 002b:00007fff5fb98188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.968891] RAX: ffffffffffffffda RBX: 00007fff5fb987c8 RCX: 00007f8dcd7a30d7 [ 49.969494] RDX: 00007f8dcd80d41f RSI: 00007fff5fb98120 RDI: 0000000040000000 [ 49.970091] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fb97f30 [ 49.970740] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8dcd8b5bf0 [ 49.971344] R13: 00007fff5fb98260 R14: 0000000000000000 R15: 00000000000000f8 [ 49.971898] [ 49.972114] irq event stamp: 11737 [ 49.972466] hardirqs last enabled at (11749): [] __up_console_sem+0x78/0x80 [ 49.973216] hardirqs last disabled at (11758): [] __up_console_sem+0x5d/0x80 [ 49.973985] softirqs last enabled at (11256): [] irq_exit_rcu+0x93/0xc0 [ 49.974704] softirqs last disabled at (11153): [] irq_exit_rcu+0x93/0xc0 [ 49.975452] ---[ end trace 0000000000000000 ]--- [ 49.976561] ------------[ cut here ]------------ [ 49.976965] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.978166] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.978940] Modules linked in: [ 49.979249] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.980084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.980833] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.981247] 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 [ 49.982722] RSP: 0018:ffff88800f0f7bf0 EFLAGS: 00010286 [ 49.983189] RAX: 0000000000000000 RBX: ffff88800e334e40 RCX: 0000000000000000 [ 49.983822] RDX: ffff88801c5d1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.984389] RBP: ffff88800e334e54 R08: 0000000000000001 R09: 0000000000000000 [ 49.984923] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.985571] R13: ffffffff84e223a0 R14: ffff88800e334e48 R15: ffffffff84daf020 [ 49.986182] FS: 0000555555f78400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.986921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.987495] CR2: 00007f1b5e1e16f4 CR3: 000000000e6ea000 CR4: 0000000000350ee0 [ 49.988044] Call Trace: [ 49.988248] [ 49.988477] nf_ct_net_init+0x224/0x3d0 [ 49.988840] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.989233] ops_init+0xbb/0x6b0 [ 49.989575] setup_net+0x3d9/0x990 [ 49.989892] ? down_read_killable+0x1d7/0x4e0 [ 49.990305] ? __pfx_setup_net+0x10/0x10 [ 49.990635] ? copy_net_ns+0x17c/0x770 [ 49.990955] copy_net_ns+0x321/0x770 [ 49.991313] create_new_namespaces+0x3f6/0xb30 [ 49.991730] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.992174] ksys_unshare+0x44d/0x8e0 [ 49.992567] ? __pfx_ksys_unshare+0x10/0x10 [ 49.992966] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.993521] __x64_sys_unshare+0x31/0x40 [ 49.993870] do_syscall_64+0x3f/0x90 [ 49.994194] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.994677] RIP: 0033:0x7f8dcd7a30d7 [ 49.994998] 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 [ 49.996550] RSP: 002b:00007fff5fb98188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.997222] RAX: ffffffffffffffda RBX: 00007fff5fb987c8 RCX: 00007f8dcd7a30d7 [ 49.997852] RDX: 00007f8dcd80d41f RSI: 00007fff5fb98120 RDI: 0000000040000000 [ 49.998477] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fb97f30 [ 49.999109] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8dcd8b5bf0 [ 49.999747] R13: 00007fff5fb98260 R14: 0000000000000000 R15: 00000000000000f8 [ 50.000415] [ 50.000637] irq event stamp: 12489 [ 50.000942] hardirqs last enabled at (12499): [] __up_console_sem+0x78/0x80 [ 50.001748] hardirqs last disabled at (12510): [] __up_console_sem+0x5d/0x80 [ 50.002494] softirqs last enabled at (12002): [] irq_exit_rcu+0x93/0xc0 [ 50.003209] softirqs last disabled at (11991): [] irq_exit_rcu+0x93/0xc0 [ 50.003937] ---[ end trace 0000000000000000 ]--- executing program [ 51.630844] Bluetooth: hci0: command 0x0409 tx timeout [ 53.677935] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.726367] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.773348] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:40:28 Registers: info registers vcpu 0 RAX=000000000002e011 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=00007f7b1e0180d8 CR3=000000000e1ba000 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=b8b4ab011c957fa32145057a983b3b5c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000112400 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d981a64dadb6c29200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f0f7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555f78400 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=00007f1b5e1e16f4 CR3=000000000e6ea000 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