Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17193' (ECDSA) to the list of known hosts. 2023/05/16 14:25:03 fuzzer started 2023/05/16 14:25:04 dialing manager at localhost:35573 2023/05/16 14:25:04 checking machine... 2023/05/16 14:25:04 checking revisions... syzkaller login: [ 44.027773] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:25:04 testing simple program... [ 44.095405] cgroup: Unknown subsys name 'net' [ 44.183787] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.839745] audit: type=1400 audit(1684247117.061:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 57.938594] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.940901] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.944256] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.947387] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.950476] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.952603] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.342951] ------------[ cut here ]------------ [ 58.344490] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.346537] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.347750] Modules linked in: [ 58.348282] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.351920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.353108] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.353940] 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 [ 58.356415] RSP: 0018:ffff88801fd57c00 EFLAGS: 00010282 [ 58.357284] RAX: 0000000000000000 RBX: ffff88800e4de840 RCX: 0000000000000000 [ 58.358384] RDX: ffff88800c4ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.359569] RBP: ffff88800e4de854 R08: 0000000000000001 R09: 0000000000000000 [ 58.360531] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.361482] R13: ffffffff84e223a0 R14: ffff88800e4de848 R15: ffffffff84d73340 [ 58.362403] FS: 0000555555d52400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.363497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.364251] CR2: 00007f514e9fd6f4 CR3: 000000000fbfe000 CR4: 0000000000350ee0 [ 58.365208] Call Trace: [ 58.365585] [ 58.365902] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.366604] ipv4_frags_init_net+0x269/0x440 [ 58.367199] ops_init+0xbb/0x6b0 [ 58.367702] setup_net+0x3d9/0x990 [ 58.368189] ? down_read_killable+0x1d7/0x4e0 [ 58.368821] ? __pfx_setup_net+0x10/0x10 [ 58.369354] ? copy_net_ns+0x17c/0x770 [ 58.369923] copy_net_ns+0x321/0x770 [ 58.370470] create_new_namespaces+0x3f6/0xb30 [ 58.371096] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.371791] ksys_unshare+0x44d/0x8e0 [ 58.372317] ? __pfx_ksys_unshare+0x10/0x10 [ 58.372933] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.373730] __x64_sys_unshare+0x31/0x40 [ 58.374309] do_syscall_64+0x3f/0x90 [ 58.374854] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.375567] RIP: 0033:0x7f064cfed0d7 [ 58.376062] 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 [ 58.378373] RSP: 002b:00007fffdb5b09e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.379389] RAX: ffffffffffffffda RBX: 00007fffdb5b1028 RCX: 00007f064cfed0d7 [ 58.380329] RDX: 00007f064d05741f RSI: 00007fffdb5b0980 RDI: 0000000040000000 [ 58.381271] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdb5b0790 [ 58.382244] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f064d0ffbf0 [ 58.383197] R13: 00007fffdb5b0ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.384166] [ 58.384518] irq event stamp: 8783 [ 58.384971] hardirqs last enabled at (8793): [] __up_console_sem+0x78/0x80 [ 58.386113] hardirqs last disabled at (8804): [] __up_console_sem+0x5d/0x80 [ 58.387251] softirqs last enabled at (8818): [] irq_exit_rcu+0x93/0xc0 [ 58.388348] softirqs last disabled at (8813): [] irq_exit_rcu+0x93/0xc0 [ 58.389452] ---[ end trace 0000000000000000 ]--- [ 58.394856] ------------[ cut here ]------------ [ 58.395512] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.397255] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.398414] Modules linked in: [ 58.398871] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.400122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.401220] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.401947] 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 [ 58.404277] RSP: 0018:ffff88801fd57c00 EFLAGS: 00010282 [ 58.405022] RAX: 0000000000000000 RBX: ffff888009488e40 RCX: 0000000000000000 [ 58.405976] RDX: ffff88800c4ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.406947] RBP: ffff888009488e54 R08: 0000000000000001 R09: 0000000000000000 [ 58.407907] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.408867] R13: ffffffff84e223a0 R14: ffff888009488e48 R15: ffffffff84da62e0 [ 58.409812] FS: 0000555555d52400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.410887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.411679] CR2: 00007f514e9fd6f4 CR3: 000000000fbfe000 CR4: 0000000000350ee0 [ 58.412623] Call Trace: [ 58.412969] [ 58.413287] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.413973] ipv6_frags_init_net+0x206/0x3c0 [ 58.414609] ops_init+0xbb/0x6b0 [ 58.415082] setup_net+0x3d9/0x990 [ 58.415595] ? down_read_killable+0x1d7/0x4e0 [ 58.416201] ? __pfx_setup_net+0x10/0x10 [ 58.416776] ? copy_net_ns+0x17c/0x770 [ 58.417322] copy_net_ns+0x321/0x770 [ 58.417872] create_new_namespaces+0x3f6/0xb30 [ 58.418554] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.419225] ksys_unshare+0x44d/0x8e0 [ 58.419795] ? __pfx_ksys_unshare+0x10/0x10 [ 58.420386] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.421183] __x64_sys_unshare+0x31/0x40 [ 58.421775] do_syscall_64+0x3f/0x90 [ 58.422299] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.423016] RIP: 0033:0x7f064cfed0d7 [ 58.423546] 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 [ 58.425865] RSP: 002b:00007fffdb5b09e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.426886] RAX: ffffffffffffffda RBX: 00007fffdb5b1028 RCX: 00007f064cfed0d7 [ 58.427839] RDX: 00007f064d05741f RSI: 00007fffdb5b0980 RDI: 0000000040000000 [ 58.428803] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdb5b0790 [ 58.429750] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f064d0ffbf0 [ 58.430718] R13: 00007fffdb5b0ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.431693] [ 58.432012] irq event stamp: 10409 [ 58.432509] hardirqs last enabled at (10421): [] __up_console_sem+0x78/0x80 [ 58.433646] hardirqs last disabled at (10432): [] __up_console_sem+0x5d/0x80 [ 58.434789] softirqs last enabled at (10358): [] irq_exit_rcu+0x93/0xc0 [ 58.435908] softirqs last disabled at (10349): [] irq_exit_rcu+0x93/0xc0 [ 58.437012] ---[ end trace 0000000000000000 ]--- [ 58.438493] ------------[ cut here ]------------ [ 58.439115] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.441295] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.442451] Modules linked in: [ 58.442884] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.444118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.445206] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.445948] 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 [ 58.448241] RSP: 0018:ffff88801fd57bf0 EFLAGS: 00010286 [ 58.448969] RAX: 0000000000000000 RBX: ffff88800c82de40 RCX: 0000000000000000 [ 58.449907] RDX: ffff88800c4ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.450865] RBP: ffff88800c82de54 R08: 0000000000000001 R09: 0000000000000000 [ 58.451812] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.452774] R13: ffffffff84e223a0 R14: ffff88800c82de48 R15: ffffffff84daf020 [ 58.453720] FS: 0000555555d52400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.454794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.455583] CR2: 00007f514e9fd6f4 CR3: 000000000fbfe000 CR4: 0000000000350ee0 [ 58.456539] Call Trace: [ 58.456885] [ 58.457205] nf_ct_net_init+0x224/0x3d0 [ 58.457785] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.458403] ops_init+0xbb/0x6b0 [ 58.458905] setup_net+0x3d9/0x990 [ 58.459383] ? down_read_killable+0x1d7/0x4e0 [ 58.460017] ? __pfx_setup_net+0x10/0x10 [ 58.460582] ? copy_net_ns+0x17c/0x770 [ 58.461121] copy_net_ns+0x321/0x770 [ 58.461662] create_new_namespaces+0x3f6/0xb30 [ 58.462309] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.463005] ksys_unshare+0x44d/0x8e0 [ 58.463559] ? __pfx_ksys_unshare+0x10/0x10 [ 58.464138] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.464934] __x64_sys_unshare+0x31/0x40 [ 58.465517] do_syscall_64+0x3f/0x90 [ 58.466018] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.466755] RIP: 0033:0x7f064cfed0d7 [ 58.467245] 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 [ 58.469550] RSP: 002b:00007fffdb5b09e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.470576] RAX: ffffffffffffffda RBX: 00007fffdb5b1028 RCX: 00007f064cfed0d7 [ 58.471527] RDX: 00007f064d05741f RSI: 00007fffdb5b0980 RDI: 0000000040000000 [ 58.472468] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdb5b0790 [ 58.473382] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f064d0ffbf0 [ 58.474339] R13: 00007fffdb5b0ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.475300] [ 58.475653] irq event stamp: 11235 [ 58.476117] hardirqs last enabled at (11245): [] __up_console_sem+0x78/0x80 [ 58.477268] hardirqs last disabled at (11256): [] __up_console_sem+0x5d/0x80 [ 58.478448] softirqs last enabled at (10836): [] irq_exit_rcu+0x93/0xc0 [ 58.479543] softirqs last disabled at (10831): [] irq_exit_rcu+0x93/0xc0 [ 58.480648] ---[ end trace 0000000000000000 ]--- executing program [ 60.021157] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.068510] Bluetooth: hci0: command 0x041b tx timeout [ 64.116505] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.164618] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:25:10 Registers: info registers vcpu 0 RAX=0005fbd057376c9d RBX=0000557aad1c2360 RCX=0000000000000010 RDX=00000000ffffffff RSI=0000000000000000 RDI=0000557aad1c24a8 RBP=0000000000000000 RSP=00007ffc39bdc718 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000009 R11=0000000000000000 R12=00007ffc39bdc7a0 R13=0000000000000057 R14=0000000000000000 R15=00007ffc39bdc7a0 RIP=00007f58f7c51db0 RFL=00000207 [-----PC] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f58f714a900 00000000 00000000 GS =0000 0000000000000000 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=00007f58f664a138 CR3=000000000ea6c000 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=ffffffffffffff00ffffffffff000000 XMM02=000000000000000000ff000000000000 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d8f928da5fab84ed000000000010fc88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=6737fde94ada737400000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88800c4ad1c0 RCX=0000000000000100 RDX=0000000000000000 RSI=ffffffff814c7477 RDI=ffff88800c4ad5b4 RBP=00007f064cfed0d7 RSP=ffff88806cf09a18 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=00000000000b5fb3 R12=00007f064cfed0d7 R13=0000000000000000 R14=ffff88800c4ad1c0 R15=ffff88801a6437a0 RIP=ffffffff8135a1bb RFL=00000213 [----A-C] 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 0000555555d52400 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=00007f514e9fd6f4 CR3=000000000fbfe000 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