syzkaller login: [ 32.489675] sshd (212) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:48579' (ECDSA) to the list of known hosts. 2023/05/16 21:14:27 fuzzer started 2023/05/16 21:14:27 dialing manager at localhost:35573 2023/05/16 21:14:27 checking machine... 2023/05/16 21:14:27 checking revisions... [ 36.995096] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:14:27 testing simple program... [ 37.073579] cgroup: Unknown subsys name 'net' [ 37.171486] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.887516] audit: type=1400 audit(1684271680.553:6): 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 [ 51.054424] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.056463] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.058872] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.062004] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.064318] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.066435] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.439998] ------------[ cut here ]------------ [ 51.440702] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.442445] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.443508] Modules linked in: [ 51.443941] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.445790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.449558] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.450207] 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 [ 51.452387] RSP: 0018:ffff88801f0cfc00 EFLAGS: 00010282 [ 51.453099] RAX: 0000000000000000 RBX: ffff888015f7bc40 RCX: 0000000000000000 [ 51.454003] RDX: ffff88800f47d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.454906] RBP: ffff888015f7bc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.455818] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.456712] R13: ffffffff84e223a0 R14: ffff888015f7bc48 R15: ffffffff84d73340 [ 51.457619] FS: 0000555556c6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.458638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.459360] CR2: 00007f309e0cc6f4 CR3: 0000000015fb6000 CR4: 0000000000350ee0 [ 51.460261] Call Trace: [ 51.460627] [ 51.460935] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.461586] ipv4_frags_init_net+0x269/0x440 [ 51.462146] ops_init+0xbb/0x6b0 [ 51.462632] setup_net+0x3d9/0x990 [ 51.463096] ? down_read_killable+0x1d7/0x4e0 [ 51.463693] ? __pfx_setup_net+0x10/0x10 [ 51.464213] ? copy_net_ns+0x17c/0x770 [ 51.464754] copy_net_ns+0x321/0x770 [ 51.465268] create_new_namespaces+0x3f6/0xb30 [ 51.465891] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.466559] ksys_unshare+0x44d/0x8e0 [ 51.467069] ? __pfx_ksys_unshare+0x10/0x10 [ 51.467659] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.468376] __x64_sys_unshare+0x31/0x40 [ 51.468933] do_syscall_64+0x3f/0x90 [ 51.469429] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.470119] RIP: 0033:0x7fca582c80d7 [ 51.470624] 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 [ 51.472776] RSP: 002b:00007ffe4c9ffcd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.473744] RAX: ffffffffffffffda RBX: 00007ffe4ca00318 RCX: 00007fca582c80d7 [ 51.474634] RDX: 00007fca5833241f RSI: 00007ffe4c9ffc70 RDI: 0000000040000000 [ 51.475499] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4c9ffa80 [ 51.476397] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fca583dabf0 [ 51.477322] R13: 00007ffe4c9ffdb0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.478248] [ 51.478574] irq event stamp: 8885 [ 51.479009] hardirqs last enabled at (8895): [] __up_console_sem+0x78/0x80 [ 51.480069] hardirqs last disabled at (8906): [] __up_console_sem+0x5d/0x80 [ 51.481139] softirqs last enabled at (8422): [] irq_exit_rcu+0x93/0xc0 [ 51.482186] softirqs last disabled at (8417): [] irq_exit_rcu+0x93/0xc0 [ 51.483221] ---[ end trace 0000000000000000 ]--- [ 51.488285] ------------[ cut here ]------------ [ 51.488912] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.490590] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.491668] Modules linked in: [ 51.492081] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.493282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.494321] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.495010] 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 [ 51.497244] RSP: 0018:ffff88801f0cfc00 EFLAGS: 00010282 [ 51.497953] RAX: 0000000000000000 RBX: ffff88800d4b6040 RCX: 0000000000000000 [ 51.498862] RDX: ffff88800f47d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.499785] RBP: ffff88800d4b6054 R08: 0000000000000001 R09: 0000000000000000 [ 51.500677] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.501594] R13: ffffffff84e223a0 R14: ffff88800d4b6048 R15: ffffffff84da62e0 [ 51.502459] FS: 0000555556c6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.503464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.504198] CR2: 00007f309e0cc6f4 CR3: 0000000015fb6000 CR4: 0000000000350ee0 [ 51.505119] Call Trace: [ 51.505449] [ 51.505774] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.506381] ipv6_frags_init_net+0x206/0x3c0 [ 51.506969] ops_init+0xbb/0x6b0 [ 51.507421] setup_net+0x3d9/0x990 [ 51.507912] ? down_read_killable+0x1d7/0x4e0 [ 51.508485] ? __pfx_setup_net+0x10/0x10 [ 51.509029] ? copy_net_ns+0x17c/0x770 [ 51.509576] copy_net_ns+0x321/0x770 [ 51.510068] create_new_namespaces+0x3f6/0xb30 [ 51.510689] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.511330] ksys_unshare+0x44d/0x8e0 [ 51.511863] ? __pfx_ksys_unshare+0x10/0x10 [ 51.512410] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.513189] __x64_sys_unshare+0x31/0x40 [ 51.513750] do_syscall_64+0x3f/0x90 [ 51.514235] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.514923] RIP: 0033:0x7fca582c80d7 [ 51.515392] 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 [ 51.517603] RSP: 002b:00007ffe4c9ffcd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.518565] RAX: ffffffffffffffda RBX: 00007ffe4ca00318 RCX: 00007fca582c80d7 [ 51.519443] RDX: 00007fca5833241f RSI: 00007ffe4c9ffc70 RDI: 0000000040000000 [ 51.520350] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4c9ffa80 [ 51.521260] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fca583dabf0 [ 51.522154] R13: 00007ffe4c9ffdb0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.523072] [ 51.523381] irq event stamp: 10771 [ 51.523856] hardirqs last enabled at (10783): [] __up_console_sem+0x78/0x80 [ 51.524955] hardirqs last disabled at (10794): [] __up_console_sem+0x5d/0x80 [ 51.526052] softirqs last enabled at (10364): [] irq_exit_rcu+0x93/0xc0 [ 51.527109] softirqs last disabled at (10359): [] irq_exit_rcu+0x93/0xc0 [ 51.528179] ---[ end trace 0000000000000000 ]--- [ 51.529564] ------------[ cut here ]------------ [ 51.530161] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.532272] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.533385] Modules linked in: [ 51.533834] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.535008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.536053] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.536742] 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 [ 51.538985] RSP: 0018:ffff88801f0cfbf0 EFLAGS: 00010286 [ 51.539690] RAX: 0000000000000000 RBX: ffff88800d4b6240 RCX: 0000000000000000 [ 51.540612] RDX: ffff88800f47d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.541500] RBP: ffff88800d4b6254 R08: 0000000000000001 R09: 0000000000000000 [ 51.542452] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.543421] R13: ffffffff84e223a0 R14: ffff88800d4b6248 R15: ffffffff84daf020 [ 51.544403] FS: 0000555556c6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.545550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.546330] CR2: 00007f309e0cc6f4 CR3: 0000000015fb6000 CR4: 0000000000350ee0 [ 51.547310] Call Trace: [ 51.547701] [ 51.548019] nf_ct_net_init+0x224/0x3d0 [ 51.548606] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.549233] ops_init+0xbb/0x6b0 [ 51.549739] setup_net+0x3d9/0x990 [ 51.550223] ? down_read_killable+0x1d7/0x4e0 [ 51.550855] ? __pfx_setup_net+0x10/0x10 [ 51.551392] ? copy_net_ns+0x17c/0x770 [ 51.551946] copy_net_ns+0x321/0x770 [ 51.552457] create_new_namespaces+0x3f6/0xb30 [ 51.553100] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.553782] ksys_unshare+0x44d/0x8e0 [ 51.554303] ? __pfx_ksys_unshare+0x10/0x10 [ 51.554900] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.555674] __x64_sys_unshare+0x31/0x40 [ 51.556221] do_syscall_64+0x3f/0x90 [ 51.556756] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.557453] RIP: 0033:0x7fca582c80d7 [ 51.557971] 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 [ 51.560284] RSP: 002b:00007ffe4c9ffcd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.561296] RAX: ffffffffffffffda RBX: 00007ffe4ca00318 RCX: 00007fca582c80d7 [ 51.562223] RDX: 00007fca5833241f RSI: 00007ffe4c9ffc70 RDI: 0000000040000000 [ 51.563161] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4c9ffa80 [ 51.564078] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fca583dabf0 [ 51.564996] R13: 00007ffe4c9ffdb0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.565969] [ 51.566286] irq event stamp: 11741 [ 51.566770] hardirqs last enabled at (11753): [] __up_console_sem+0x78/0x80 [ 51.567895] hardirqs last disabled at (11764): [] __up_console_sem+0x5d/0x80 [ 51.569013] softirqs last enabled at (11666): [] irq_exit_rcu+0x93/0xc0 [ 51.570120] softirqs last disabled at (11661): [] irq_exit_rcu+0x93/0xc0 [ 51.571212] ---[ end trace 0000000000000000 ]--- executing program [ 53.130306] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.177609] Bluetooth: hci0: command 0x041b tx timeout [ 57.225653] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.273619] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:14:41 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000004 RCX=ffffffff81936972 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff8880169f02b0 RSP=ffff888016e3f9c8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88801004a000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff814bf260 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fba0d3a0900 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=00007fba0c817ce0 CR3=0000000015e5c000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=dd75f219b56faa31000000000013c290 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2f747ae6bb7c8b4900000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000039 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f0cf618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000039 R11=0000000000000001 R12=0000000000000039 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 0000555556c6e400 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=00007f309e0cc6f4 CR3=0000000015fb6000 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=00001fa0 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=532e29646d432a282e636578652f736f XMM03=00000000000000000000000000000000 XMM04=00007ff97ad354000000000000415710 XMM05=0000000000b12758000000c00000e3c8 XMM06=0000000000505007000000c00002b7c0 XMM07=00000000000000000000000000000000 XMM08=00000000004643c60000000000000000 XMM09=00000000004643c10000000000000000 XMM10=000000c000404600000000c00018ab00 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=000000c0000924e0000000c000092218 XMM14=000000c000092400000000c000092428 XMM15=000000c0000bc000000000c000091570