Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:47182' (ECDSA) to the list of known hosts. 2023/05/17 16:35:27 fuzzer started 2023/05/17 16:35:28 dialing manager at localhost:44319 2023/05/17 16:35:28 checking machine... 2023/05/17 16:35:28 checking revisions... syzkaller login: [ 58.407328] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:35:28 testing simple program... [ 58.480658] cgroup: Unknown subsys name 'net' [ 58.563873] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 71.844662] audit: type=1400 audit(1684341341.615:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 72.997805] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.999823] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.001353] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.003871] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.005619] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.006755] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 73.402219] ------------[ cut here ]------------ [ 73.402948] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 73.404875] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.406138] Modules linked in: [ 73.406644] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.411420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.412422] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.413116] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.415239] RSP: 0018:ffff88800fc4fc00 EFLAGS: 00010282 [ 73.415878] RAX: 0000000000000000 RBX: ffff88800ec24c40 RCX: 0000000000000000 [ 73.416754] RDX: ffff888018d8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.417643] RBP: ffff88800ec24c54 R08: 0000000000000001 R09: 0000000000000000 [ 73.418516] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 73.419391] R13: ffffffff84e23fe0 R14: ffff88800ec24c48 R15: ffffffff84d74dc0 [ 73.420260] FS: 000055555643c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 73.421238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.421930] CR2: 00007fdd90c636f4 CR3: 000000000fd6a000 CR4: 0000000000350ee0 [ 73.422901] Call Trace: [ 73.423273] [ 73.423598] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 73.424271] ipv4_frags_init_net+0x269/0x440 [ 73.424806] ops_init+0xbb/0x6b0 [ 73.425297] setup_net+0x3d9/0x990 [ 73.425735] ? down_read_killable+0x1d7/0x4e0 [ 73.426328] ? __pfx_setup_net+0x10/0x10 [ 73.426823] ? copy_net_ns+0x17c/0x770 [ 73.427359] copy_net_ns+0x321/0x770 [ 73.427830] create_new_namespaces+0x3f6/0xb30 [ 73.428437] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.429083] ksys_unshare+0x44d/0x8e0 [ 73.429562] ? __pfx_ksys_unshare+0x10/0x10 [ 73.430120] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.430799] __x64_sys_unshare+0x31/0x40 [ 73.431327] do_syscall_64+0x3f/0x90 [ 73.431791] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.432442] RIP: 0033:0x7f674e9930d7 [ 73.432890] 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 [ 73.434950] RSP: 002b:00007ffd6038afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.435851] RAX: ffffffffffffffda RBX: 00007ffd6038b608 RCX: 00007f674e9930d7 [ 73.436701] RDX: 00007f674e9fd41f RSI: 00007ffd6038af60 RDI: 0000000040000000 [ 73.437572] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6038ad70 [ 73.438417] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f674eaa5bf0 [ 73.439265] R13: 00007ffd6038b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.440141] [ 73.440434] irq event stamp: 9371 [ 73.440841] hardirqs last enabled at (9381): [] __up_console_sem+0x78/0x80 [ 73.441864] hardirqs last disabled at (9392): [] __up_console_sem+0x5d/0x80 [ 73.442875] softirqs last enabled at (9320): [] irq_exit_rcu+0x93/0xc0 [ 73.443858] softirqs last disabled at (9315): [] irq_exit_rcu+0x93/0xc0 [ 73.444832] ---[ end trace 0000000000000000 ]--- [ 73.450303] ------------[ cut here ]------------ [ 73.450875] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 73.452567] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.453608] Modules linked in: [ 73.454034] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.455130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.456093] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.456708] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.458771] RSP: 0018:ffff88800fc4fc00 EFLAGS: 00010282 [ 73.459430] RAX: 0000000000000000 RBX: ffff88800e5f8440 RCX: 0000000000000000 [ 73.460283] RDX: ffff888018d8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.461154] RBP: ffff88800e5f8454 R08: 0000000000000001 R09: 0000000000000000 [ 73.462004] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 73.462823] R13: ffffffff84e23fe0 R14: ffff88800e5f8448 R15: ffffffff84da7d60 [ 73.463676] FS: 000055555643c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 73.464620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.465341] CR2: 00007fdd90c636f4 CR3: 000000000fd6a000 CR4: 0000000000350ee0 [ 73.466189] Call Trace: [ 73.466505] [ 73.466795] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 73.467418] ipv6_frags_init_net+0x206/0x3c0 [ 73.467964] ops_init+0xbb/0x6b0 [ 73.468429] setup_net+0x3d9/0x990 [ 73.468870] ? down_read_killable+0x1d7/0x4e0 [ 73.469471] ? __pfx_setup_net+0x10/0x10 [ 73.469965] ? copy_net_ns+0x17c/0x770 [ 73.470514] copy_net_ns+0x321/0x770 [ 73.471104] create_new_namespaces+0x3f6/0xb30 [ 73.471776] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.472510] ksys_unshare+0x44d/0x8e0 [ 73.473123] ? __pfx_ksys_unshare+0x10/0x10 [ 73.473744] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.474582] __x64_sys_unshare+0x31/0x40 [ 73.475210] do_syscall_64+0x3f/0x90 [ 73.475763] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.476527] RIP: 0033:0x7f674e9930d7 [ 73.477104] 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 [ 73.479528] RSP: 002b:00007ffd6038afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.480595] RAX: ffffffffffffffda RBX: 00007ffd6038b608 RCX: 00007f674e9930d7 [ 73.481596] RDX: 00007f674e9fd41f RSI: 00007ffd6038af60 RDI: 0000000040000000 [ 73.482580] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6038ad70 [ 73.483582] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f674eaa5bf0 [ 73.484577] R13: 00007ffd6038b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.485606] [ 73.485960] irq event stamp: 11361 [ 73.486490] hardirqs last enabled at (11373): [] __up_console_sem+0x78/0x80 [ 73.487689] hardirqs last disabled at (11384): [] __up_console_sem+0x5d/0x80 [ 73.488916] softirqs last enabled at (10856): [] irq_exit_rcu+0x93/0xc0 [ 73.490165] softirqs last disabled at (10803): [] irq_exit_rcu+0x93/0xc0 [ 73.491383] ---[ end trace 0000000000000000 ]--- [ 73.493030] ------------[ cut here ]------------ [ 73.493705] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 73.496047] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.497298] Modules linked in: [ 73.497771] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.499119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.500329] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.501173] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.503732] RSP: 0018:ffff88800fc4fbf0 EFLAGS: 00010286 [ 73.504538] RAX: 0000000000000000 RBX: ffff88800e5f8a40 RCX: 0000000000000000 [ 73.505660] RDX: ffff888018d8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.506714] RBP: ffff88800e5f8a54 R08: 0000000000000001 R09: 0000000000000000 [ 73.507764] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 73.508810] R13: ffffffff84e23fe0 R14: ffff88800e5f8a48 R15: ffffffff84db0aa0 [ 73.509880] FS: 000055555643c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 73.511077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.511920] CR2: 00007fdd90c636f4 CR3: 000000000fd6a000 CR4: 0000000000350ee0 [ 73.513102] Call Trace: [ 73.513495] [ 73.513852] nf_ct_net_init+0x224/0x3d0 [ 73.514489] ? __pfx_nf_ct_net_init+0x10/0x10 [ 73.515199] ops_init+0xbb/0x6b0 [ 73.515728] setup_net+0x3d9/0x990 [ 73.516286] ? down_read_killable+0x1d7/0x4e0 [ 73.516944] ? __pfx_setup_net+0x10/0x10 [ 73.517591] ? copy_net_ns+0x17c/0x770 [ 73.518225] copy_net_ns+0x321/0x770 [ 73.518783] create_new_namespaces+0x3f6/0xb30 [ 73.519505] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.520260] ksys_unshare+0x44d/0x8e0 [ 73.520835] ? __pfx_ksys_unshare+0x10/0x10 [ 73.521521] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.522420] __x64_sys_unshare+0x31/0x40 [ 73.523066] do_syscall_64+0x3f/0x90 [ 73.523631] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.524433] RIP: 0033:0x7f674e9930d7 [ 73.525011] 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 [ 73.527688] RSP: 002b:00007ffd6038afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.528848] RAX: ffffffffffffffda RBX: 00007ffd6038b608 RCX: 00007f674e9930d7 [ 73.529946] RDX: 00007f674e9fd41f RSI: 00007ffd6038af60 RDI: 0000000040000000 [ 73.531057] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6038ad70 [ 73.532154] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f674eaa5bf0 [ 73.533257] R13: 00007ffd6038b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.534338] [ 73.534703] irq event stamp: 12089 [ 73.535249] hardirqs last enabled at (12101): [] __up_console_sem+0x78/0x80 [ 73.536541] hardirqs last disabled at (12112): [] __up_console_sem+0x5d/0x80 [ 73.537838] softirqs last enabled at (11632): [] irq_exit_rcu+0x93/0xc0 [ 73.539085] softirqs last disabled at (11627): [] irq_exit_rcu+0x93/0xc0 [ 73.540306] ---[ end trace 0000000000000000 ]--- [ 75.022659] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 77.069666] Bluetooth: hci0: command 0x041b tx timeout [ 79.118039] Bluetooth: hci0: command 0x040f tx timeout executing program [ 81.165147] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:35:21 Registers: info registers vcpu 0 RAX=000056384ccf2d60 RBX=000056384ccf2d60 RCX=000000000000001f RDX=0000000000000002 RSI=0000000000000003 RDI=000056384ccf2d60 RBP=00007ffca75f7810 RSP=00007ffca75f76a8 R8 =0000000000000005 R9 =ffffffffffffff01 R10=0000000000000002 R11=000056384ccf3358 R12=00000000ffffffff R13=00000000fffffffa R14=000056384cd36170 R15=0000000000000002 RIP=00007f9f6bd5d1ea RFL=00000206 [-----P-] 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 00007f9f6b1cb900 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=00007f9f6a6c41f0 CR3=000000000e29c000 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=00000000000000410000000000000038 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d8f928da5fab84ed000000000010e1b8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=53361b92a6f1f33b00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fc4f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555643c400 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=00007fdd90c636f4 CR3=000000000fd6a000 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