syzkaller login: [ 131.931710] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:46492' (ECDSA) to the list of known hosts. 2023/05/16 14:31:57 fuzzer started 2023/05/16 14:31:58 dialing manager at localhost:35573 2023/05/16 14:31:58 checking machine... 2023/05/16 14:31:58 checking revisions... [ 138.427303] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:31:58 testing simple program... [ 138.505117] cgroup: Unknown subsys name 'net' [ 138.591391] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 151.354579] audit: type=1400 audit(1684247531.122:6): 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 [ 152.481466] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 152.495428] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 152.497864] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 152.500573] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 152.502264] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 152.503750] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 152.923516] ------------[ cut here ]------------ [ 152.924632] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 152.926632] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 152.927811] Modules linked in: [ 152.928288] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 152.932747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 152.933881] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 152.934656] 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 [ 152.937159] RSP: 0018:ffff88801cc2fc00 EFLAGS: 00010282 [ 152.937970] RAX: 0000000000000000 RBX: ffff88800ea2e840 RCX: 0000000000000000 [ 152.938989] RDX: ffff88801a3ed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 152.940001] RBP: ffff88800ea2e854 R08: 0000000000000001 R09: 0000000000000000 [ 152.941035] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 152.942078] R13: ffffffff84e223a0 R14: ffff88800ea2e848 R15: ffffffff84d73340 [ 152.943105] FS: 0000555556219400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 152.944253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.945068] CR2: 00007f25b91c06f4 CR3: 0000000014682000 CR4: 0000000000350ef0 [ 152.946093] Call Trace: [ 152.946501] [ 152.946844] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 152.947583] ipv4_frags_init_net+0x269/0x440 [ 152.948258] ops_init+0xbb/0x6b0 [ 152.948764] setup_net+0x3d9/0x990 [ 152.949318] ? down_read_killable+0x1d7/0x4e0 [ 152.949990] ? __pfx_setup_net+0x10/0x10 [ 152.950609] ? copy_net_ns+0x17c/0x770 [ 152.951235] copy_net_ns+0x321/0x770 [ 152.951788] create_new_namespaces+0x3f6/0xb30 [ 152.952495] unshare_nsproxy_namespaces+0xc1/0x200 [ 152.953256] ksys_unshare+0x44d/0x8e0 [ 152.953849] ? __pfx_ksys_unshare+0x10/0x10 [ 152.954504] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 152.955355] __x64_sys_unshare+0x31/0x40 [ 152.955936] do_syscall_64+0x3f/0x90 [ 152.956501] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 152.957251] RIP: 0033:0x7fd3cf00d0d7 [ 152.957798] 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 [ 152.960271] RSP: 002b:00007ffc084511f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 152.961345] RAX: ffffffffffffffda RBX: 00007ffc08451838 RCX: 00007fd3cf00d0d7 [ 152.962357] RDX: 00007fd3cf07741f RSI: 00007ffc08451190 RDI: 0000000040000000 [ 152.963374] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc08450fa0 [ 152.964388] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3cf11fbf0 [ 152.965395] R13: 00007ffc084512d0 R14: 0000000000000000 R15: 00000000000000f8 [ 152.966435] [ 152.966778] irq event stamp: 7925 [ 152.967299] hardirqs last enabled at (7937): [] __up_console_sem+0x78/0x80 [ 152.968505] hardirqs last disabled at (7948): [] __up_console_sem+0x5d/0x80 [ 152.969725] softirqs last enabled at (7402): [] irq_exit_rcu+0x93/0xc0 [ 152.970899] softirqs last disabled at (7229): [] irq_exit_rcu+0x93/0xc0 [ 152.972067] ---[ end trace 0000000000000000 ]--- [ 152.978359] ------------[ cut here ]------------ [ 152.979049] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 152.980971] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 152.982217] Modules linked in: [ 152.982686] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 152.984005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 152.985164] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 152.985951] 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 [ 152.988442] RSP: 0018:ffff88801cc2fc00 EFLAGS: 00010282 [ 152.989228] RAX: 0000000000000000 RBX: ffff88800c56ac40 RCX: 0000000000000000 [ 152.990288] RDX: ffff88801a3ed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 152.991308] RBP: ffff88800c56ac54 R08: 0000000000000001 R09: 0000000000000000 [ 152.992330] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 152.993352] R13: ffffffff84e223a0 R14: ffff88800c56ac48 R15: ffffffff84da62e0 [ 152.994388] FS: 0000555556219400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 152.995525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.996376] CR2: 00007f25b91c06f4 CR3: 0000000014682000 CR4: 0000000000350ef0 [ 152.997420] Call Trace: [ 152.997821] [ 152.998160] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 152.998901] ipv6_frags_init_net+0x206/0x3c0 [ 152.999624] ops_init+0xbb/0x6b0 [ 153.000143] setup_net+0x3d9/0x990 [ 153.000707] ? down_read_killable+0x1d7/0x4e0 [ 153.001394] ? __pfx_setup_net+0x10/0x10 [ 153.001991] ? copy_net_ns+0x17c/0x770 [ 153.002610] copy_net_ns+0x321/0x770 [ 153.003162] create_new_namespaces+0x3f6/0xb30 [ 153.003867] unshare_nsproxy_namespaces+0xc1/0x200 [ 153.004607] ksys_unshare+0x44d/0x8e0 [ 153.005172] ? __pfx_ksys_unshare+0x10/0x10 [ 153.005844] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 153.006694] __x64_sys_unshare+0x31/0x40 [ 153.007320] do_syscall_64+0x3f/0x90 [ 153.007865] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 153.008629] RIP: 0033:0x7fd3cf00d0d7 [ 153.009167] 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 [ 153.011691] RSP: 002b:00007ffc084511f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 153.012778] RAX: ffffffffffffffda RBX: 00007ffc08451838 RCX: 00007fd3cf00d0d7 [ 153.013805] RDX: 00007fd3cf07741f RSI: 00007ffc08451190 RDI: 0000000040000000 [ 153.014825] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc08450fa0 [ 153.015843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3cf11fbf0 [ 153.016855] R13: 00007ffc084512d0 R14: 0000000000000000 R15: 00000000000000f8 [ 153.017904] [ 153.018281] irq event stamp: 9845 [ 153.018779] hardirqs last enabled at (9855): [] __up_console_sem+0x78/0x80 [ 153.020004] hardirqs last disabled at (9866): [] __up_console_sem+0x5d/0x80 [ 153.021229] softirqs last enabled at (9334): [] irq_exit_rcu+0x93/0xc0 [ 153.022454] softirqs last disabled at (9307): [] irq_exit_rcu+0x93/0xc0 [ 153.023643] ---[ end trace 0000000000000000 ]--- [ 153.025250] ------------[ cut here ]------------ [ 153.025917] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 153.028008] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 153.029215] Modules linked in: [ 153.029679] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 153.030965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 153.032093] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 153.032842] 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 [ 153.035300] RSP: 0018:ffff88801cc2fbf0 EFLAGS: 00010286 [ 153.036020] RAX: 0000000000000000 RBX: ffff88800c56a640 RCX: 0000000000000000 [ 153.037001] RDX: ffff88801a3ed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 153.038003] RBP: ffff88800c56a654 R08: 0000000000000001 R09: 0000000000000000 [ 153.038976] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 153.039967] R13: ffffffff84e223a0 R14: ffff88800c56a648 R15: ffffffff84daf020 [ 153.040953] FS: 0000555556219400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 153.042143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.042972] CR2: 00007f25b91c06f4 CR3: 0000000014682000 CR4: 0000000000350ef0 [ 153.043963] Call Trace: [ 153.044353] [ 153.044690] nf_ct_net_init+0x224/0x3d0 [ 153.045289] ? __pfx_nf_ct_net_init+0x10/0x10 [ 153.045934] ops_init+0xbb/0x6b0 [ 153.046464] setup_net+0x3d9/0x990 [ 153.046965] ? down_read_killable+0x1d7/0x4e0 [ 153.047627] ? __pfx_setup_net+0x10/0x10 [ 153.048224] ? copy_net_ns+0x17c/0x770 [ 153.048786] copy_net_ns+0x321/0x770 [ 153.049355] create_new_namespaces+0x3f6/0xb30 [ 153.050027] unshare_nsproxy_namespaces+0xc1/0x200 [ 153.050750] ksys_unshare+0x44d/0x8e0 [ 153.051330] ? __pfx_ksys_unshare+0x10/0x10 [ 153.051942] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 153.052764] __x64_sys_unshare+0x31/0x40 [ 153.053376] do_syscall_64+0x3f/0x90 [ 153.053904] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 153.054646] RIP: 0033:0x7fd3cf00d0d7 [ 153.055213] 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 [ 153.057759] RSP: 002b:00007ffc084511f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 153.058851] RAX: ffffffffffffffda RBX: 00007ffc08451838 RCX: 00007fd3cf00d0d7 [ 153.059874] RDX: 00007fd3cf07741f RSI: 00007ffc08451190 RDI: 0000000040000000 [ 153.060888] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc08450fa0 [ 153.061920] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3cf11fbf0 [ 153.062946] R13: 00007ffc084512d0 R14: 0000000000000000 R15: 00000000000000f8 [ 153.063990] [ 153.064363] irq event stamp: 10615 [ 153.064874] hardirqs last enabled at (10625): [] __up_console_sem+0x78/0x80 [ 153.066114] hardirqs last disabled at (10636): [] __up_console_sem+0x5d/0x80 [ 153.067343] softirqs last enabled at (10246): [] irq_exit_rcu+0x93/0xc0 [ 153.068539] softirqs last disabled at (10241): [] irq_exit_rcu+0x93/0xc0 [ 153.069752] ---[ end trace 0000000000000000 ]--- executing program [ 154.563901] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 156.611371] Bluetooth: hci0: command 0x041b tx timeout [ 158.660258] Bluetooth: hci0: command 0x040f tx timeout executing program [ 160.707340] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:30:40 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cc2f5f0 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 0000555556219400 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=00007f25b91c06f4 CR3=0000000014682000 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=00000000000aca53 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007ff51f8db260 CR3=000000001a0fa000 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=2032313a32333a34312036312079614d XMM01=5d3838323832392e32353120205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000