Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43244' (ECDSA) to the list of known hosts. 2023/05/17 02:13:33 fuzzer started 2023/05/17 02:13:34 dialing manager at localhost:35573 2023/05/17 02:13:34 checking machine... 2023/05/17 02:13:34 checking revisions... syzkaller login: [ 40.130873] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:13:34 testing simple program... [ 40.200366] cgroup: Unknown subsys name 'net' [ 40.266444] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.479266] audit: type=1400 audit(1684289627.774:6): 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 [ 54.562265] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.563796] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.566640] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.569330] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.570874] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.573233] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.973710] ------------[ cut here ]------------ [ 54.974501] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.976611] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.977915] Modules linked in: [ 54.978445] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.984116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.985376] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.986241] 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 executing program [ 54.988646] RSP: 0018:ffff88801a717c00 EFLAGS: 00010282 [ 54.989502] RAX: 0000000000000000 RBX: ffff88800f1e9440 RCX: 0000000000000000 [ 54.990397] RDX: ffff88800fc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.991308] RBP: ffff88800f1e9454 R08: 0000000000000001 R09: 0000000000000000 [ 54.992200] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.993088] R13: ffffffff84e223a0 R14: ffff88800f1e9448 R15: ffffffff84d73340 [ 54.993953] FS: 0000555555eaf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.994962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.995721] CR2: 00007f6867d866f4 CR3: 0000000015a86000 CR4: 0000000000350ee0 [ 54.996692] Call Trace: [ 54.997040] [ 54.997394] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.998093] ipv4_frags_init_net+0x269/0x440 [ 54.998731] ops_init+0xbb/0x6b0 [ 54.999249] setup_net+0x3d9/0x990 [ 54.999745] ? down_read_killable+0x1d7/0x4e0 [ 55.000396] ? __pfx_setup_net+0x10/0x10 [ 55.000935] ? copy_net_ns+0x17c/0x770 [ 55.001509] copy_net_ns+0x321/0x770 [ 55.002022] create_new_namespaces+0x3f6/0xb30 [ 55.002675] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.003379] ksys_unshare+0x44d/0x8e0 [ 55.003900] ? __pfx_ksys_unshare+0x10/0x10 [ 55.004515] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.005297] __x64_sys_unshare+0x31/0x40 [ 55.005850] do_syscall_64+0x3f/0x90 [ 55.006384] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.007132] RIP: 0033:0x7fc6b53390d7 [ 55.007638] 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 [ 55.010003] RSP: 002b:00007ffcdb5e63b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.011050] RAX: ffffffffffffffda RBX: 00007ffcdb5e69f8 RCX: 00007fc6b53390d7 [ 55.012026] RDX: 00007fc6b53a341f RSI: 00007ffcdb5e6350 RDI: 0000000040000000 [ 55.013018] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdb5e6160 [ 55.013956] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc6b544bbf0 [ 55.014899] R13: 00007ffcdb5e6490 R14: 0000000000000000 R15: 00000000000000f8 [ 55.015865] [ 55.016220] irq event stamp: 8019 [ 55.016674] hardirqs last enabled at (8029): [] __up_console_sem+0x78/0x80 [ 55.017796] hardirqs last disabled at (8040): [] __up_console_sem+0x5d/0x80 [ 55.018937] softirqs last enabled at (7606): [] irq_exit_rcu+0x93/0xc0 [ 55.020030] softirqs last disabled at (7601): [] irq_exit_rcu+0x93/0xc0 [ 55.021130] ---[ end trace 0000000000000000 ]--- [ 55.027615] ------------[ cut here ]------------ [ 55.028327] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.030150] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.031332] Modules linked in: [ 55.031792] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.033044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.034184] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.034876] 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 [ 55.037267] RSP: 0018:ffff88801a717c00 EFLAGS: 00010282 [ 55.037989] RAX: 0000000000000000 RBX: ffff88800d938640 RCX: 0000000000000000 [ 55.038981] RDX: ffff88800fc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.039958] RBP: ffff88800d938654 R08: 0000000000000001 R09: 0000000000000000 [ 55.040944] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.041925] R13: ffffffff84e223a0 R14: ffff88800d938648 R15: ffffffff84da62e0 [ 55.042918] FS: 0000555555eaf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.044014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.044833] CR2: 00007f6867d866f4 CR3: 0000000015a86000 CR4: 0000000000350ee0 [ 55.045816] Call Trace: [ 55.046213] [ 55.046541] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.047266] ipv6_frags_init_net+0x206/0x3c0 [ 55.047881] ops_init+0xbb/0x6b0 [ 55.048407] setup_net+0x3d9/0x990 [ 55.048906] ? down_read_killable+0x1d7/0x4e0 [ 55.049567] ? __pfx_setup_net+0x10/0x10 [ 55.050156] ? copy_net_ns+0x17c/0x770 [ 55.050720] copy_net_ns+0x321/0x770 [ 55.051282] create_new_namespaces+0x3f6/0xb30 [ 55.051943] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.052661] ksys_unshare+0x44d/0x8e0 [ 55.053233] ? __pfx_ksys_unshare+0x10/0x10 [ 55.053830] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.054642] __x64_sys_unshare+0x31/0x40 [ 55.055272] do_syscall_64+0x3f/0x90 [ 55.055790] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.056531] RIP: 0033:0x7fc6b53390d7 [ 55.057045] 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 [ 55.059472] RSP: 002b:00007ffcdb5e63b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.060520] RAX: ffffffffffffffda RBX: 00007ffcdb5e69f8 RCX: 00007fc6b53390d7 [ 55.061498] RDX: 00007fc6b53a341f RSI: 00007ffcdb5e6350 RDI: 0000000040000000 [ 55.062521] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdb5e6160 [ 55.063511] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc6b544bbf0 [ 55.064494] R13: 00007ffcdb5e6490 R14: 0000000000000000 R15: 00000000000000f8 [ 55.065500] [ 55.065831] irq event stamp: 9935 [ 55.066335] hardirqs last enabled at (9947): [] __up_console_sem+0x78/0x80 [ 55.067605] hardirqs last disabled at (9958): [] __up_console_sem+0x5d/0x80 [ 55.068783] softirqs last enabled at (9440): [] irq_exit_rcu+0x93/0xc0 [ 55.069921] softirqs last disabled at (9435): [] irq_exit_rcu+0x93/0xc0 [ 55.071075] ---[ end trace 0000000000000000 ]--- [ 55.072849] ------------[ cut here ]------------ [ 55.073513] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.075689] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.076839] Modules linked in: [ 55.077314] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.078563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.079673] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.080402] 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 [ 55.082749] RSP: 0018:ffff88801a717bf0 EFLAGS: 00010286 [ 55.083487] RAX: 0000000000000000 RBX: ffff88800f082c40 RCX: 0000000000000000 [ 55.084443] RDX: ffff88800fc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.085415] RBP: ffff88800f082c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.086392] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.087409] R13: ffffffff84e223a0 R14: ffff88800f082c48 R15: ffffffff84daf020 [ 55.088384] FS: 0000555555eaf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.089501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.090300] CR2: 00007f6867d866f4 CR3: 0000000015a86000 CR4: 0000000000350ee0 [ 55.091289] Call Trace: [ 55.091638] [ 55.091968] nf_ct_net_init+0x224/0x3d0 [ 55.092569] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.093214] ops_init+0xbb/0x6b0 [ 55.093694] setup_net+0x3d9/0x990 [ 55.094230] ? down_read_killable+0x1d7/0x4e0 [ 55.094857] ? __pfx_setup_net+0x10/0x10 [ 55.095441] ? copy_net_ns+0x17c/0x770 [ 55.095982] copy_net_ns+0x321/0x770 [ 55.096525] create_new_namespaces+0x3f6/0xb30 [ 55.097154] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.097773] ksys_unshare+0x44d/0x8e0 [ 55.098301] ? __pfx_ksys_unshare+0x10/0x10 [ 55.098861] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.099609] __x64_sys_unshare+0x31/0x40 [ 55.100166] do_syscall_64+0x3f/0x90 [ 55.100647] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.101340] RIP: 0033:0x7fc6b53390d7 [ 55.101834] 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 [ 55.104161] RSP: 002b:00007ffcdb5e63b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.105170] RAX: ffffffffffffffda RBX: 00007ffcdb5e69f8 RCX: 00007fc6b53390d7 [ 55.106131] RDX: 00007fc6b53a341f RSI: 00007ffcdb5e6350 RDI: 0000000040000000 [ 55.107105] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdb5e6160 [ 55.108023] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc6b544bbf0 [ 55.108985] R13: 00007ffcdb5e6490 R14: 0000000000000000 R15: 00000000000000f8 [ 55.110255] [ 55.110576] irq event stamp: 10671 [ 55.111101] hardirqs last enabled at (10683): [] __up_console_sem+0x78/0x80 [ 55.112274] hardirqs last disabled at (10706): [] __up_console_sem+0x5d/0x80 [ 55.113436] softirqs last enabled at (10702): [] irq_exit_rcu+0x93/0xc0 [ 55.114551] softirqs last disabled at (10691): [] irq_exit_rcu+0x93/0xc0 [ 55.115685] ---[ end trace 0000000000000000 ]--- [ 56.645804] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.693119] Bluetooth: hci0: command 0x041b tx timeout [ 60.741134] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.789126] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:13:45 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000001 RCX=0000000000000100 RDX=0000000000000000 RSI=ffffffff814c758a RDI=ffffffff8542ab74 RBP=ffffffff8542a780 RSP=ffff88806ce09a00 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8542a780 R13=0000000000000000 R14=ffffffff85652848 R15=ffff88800e507d90 RIP=ffffffff8137294f 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 =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=00007f22ac71ba80 CR3=000000000dd10000 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=2039343a33313a32302037312079614d XMM01=5d3534343837392e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a7175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 0000555555eaf400 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=00007f6867d866f4 CR3=0000000015a86000 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