Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8940' (ECDSA) to the list of known hosts. 2023/05/17 03:23:13 fuzzer started 2023/05/17 03:23:14 dialing manager at localhost:35573 2023/05/17 03:23:14 checking machine... 2023/05/17 03:23:14 checking revisions... syzkaller login: [ 36.104016] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:23:14 testing simple program... [ 36.176246] cgroup: Unknown subsys name 'net' [ 36.284022] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.397180] audit: type=1400 audit(1684293807.657:6): 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 [ 50.531202] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.533196] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.535031] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.543726] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.545884] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.547499] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.933669] ------------[ cut here ]------------ [ 50.934345] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.936292] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.937461] Modules linked in: [ 50.937924] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.941873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.943571] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.944272] 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 [ 50.946620] RSP: 0018:ffff88801f75fc00 EFLAGS: 00010282 [ 50.947372] RAX: 0000000000000000 RBX: ffff888014504040 RCX: 0000000000000000 [ 50.948420] RDX: ffff888016fa3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.949440] RBP: ffff888014504054 R08: 0000000000000001 R09: 0000000000000000 [ 50.950501] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.951533] R13: ffffffff84e223a0 R14: ffff888014504048 R15: ffffffff84d73340 [ 50.952573] FS: 00005555567b3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.953711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.954508] CR2: 00007f610d8edc60 CR3: 000000000efe6000 CR4: 0000000000350ef0 [ 50.955503] Call Trace: [ 50.955905] [ 50.956293] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.957014] ipv4_frags_init_net+0x269/0x440 [ 50.957665] ops_init+0xbb/0x6b0 [ 50.958162] setup_net+0x3d9/0x990 [ 50.958700] ? down_read_killable+0x1d7/0x4e0 [ 50.959342] ? __pfx_setup_net+0x10/0x10 [ 50.959965] ? copy_net_ns+0x17c/0x770 [ 50.960520] copy_net_ns+0x321/0x770 [ 50.961092] create_new_namespaces+0x3f6/0xb30 [ 50.961774] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.962425] ksys_unshare+0x44d/0x8e0 [ 50.962992] ? __pfx_ksys_unshare+0x10/0x10 [ 50.963565] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.964362] __x64_sys_unshare+0x31/0x40 [ 50.964949] do_syscall_64+0x3f/0x90 [ 50.965449] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.966187] RIP: 0033:0x7fbb61fba0d7 [ 50.966757] 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 [ 50.969489] RSP: 002b:00007fff1d36dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 executing program [ 50.971470] RAX: ffffffffffffffda RBX: 00007fff1d36e618 RCX: 00007fbb61fba0d7 [ 50.972682] RDX: 00007fbb6202441f RSI: 00007fff1d36df70 RDI: 0000000040000000 [ 50.973913] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1d36dd80 [ 50.975129] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb620ccbf0 [ 50.976401] R13: 00007fff1d36e0b0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.977439] [ 50.977796] irq event stamp: 8559 [ 50.978244] hardirqs last enabled at (8569): [] __up_console_sem+0x78/0x80 [ 50.979350] hardirqs last disabled at (8580): [] __up_console_sem+0x5d/0x80 [ 50.980458] softirqs last enabled at (8494): [] irq_exit_rcu+0x93/0xc0 [ 50.981508] softirqs last disabled at (8481): [] irq_exit_rcu+0x93/0xc0 [ 50.982563] ---[ end trace 0000000000000000 ]--- [ 50.988416] ------------[ cut here ]------------ [ 50.989053] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.990858] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.991924] Modules linked in: [ 50.992350] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.993516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.994542] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.995225] 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 [ 50.997433] RSP: 0018:ffff88801f75fc00 EFLAGS: 00010282 [ 50.998134] RAX: 0000000000000000 RBX: ffff88800dba4a40 RCX: 0000000000000000 [ 50.999034] RDX: ffff888016fa3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.999921] RBP: ffff88800dba4a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.000812] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.001703] R13: ffffffff84e223a0 R14: ffff88800dba4a48 R15: ffffffff84da62e0 [ 51.002563] FS: 00005555567b3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.003599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.004336] CR2: 00007f610d8edc60 CR3: 000000000efe6000 CR4: 0000000000350ef0 [ 51.005232] Call Trace: [ 51.005566] [ 51.005899] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.006510] ipv6_frags_init_net+0x206/0x3c0 [ 51.007100] ops_init+0xbb/0x6b0 [ 51.007546] setup_net+0x3d9/0x990 [ 51.008066] ? down_read_killable+0x1d7/0x4e0 [ 51.008713] ? __pfx_setup_net+0x10/0x10 [ 51.009223] ? copy_net_ns+0x17c/0x770 [ 51.009768] copy_net_ns+0x321/0x770 [ 51.010249] create_new_namespaces+0x3f6/0xb30 [ 51.010876] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.011495] ksys_unshare+0x44d/0x8e0 [ 51.012022] ? __pfx_ksys_unshare+0x10/0x10 [ 51.012613] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.013330] __x64_sys_unshare+0x31/0x40 [ 51.013896] do_syscall_64+0x3f/0x90 [ 51.014376] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.015061] RIP: 0033:0x7fbb61fba0d7 [ 51.015526] 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 [ 51.017682] RSP: 002b:00007fff1d36dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.018624] RAX: ffffffffffffffda RBX: 00007fff1d36e618 RCX: 00007fbb61fba0d7 [ 51.019468] RDX: 00007fbb6202441f RSI: 00007fff1d36df70 RDI: 0000000040000000 [ 51.020369] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1d36dd80 [ 51.021249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb620ccbf0 [ 51.022140] R13: 00007fff1d36e0b0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.023045] [ 51.023345] irq event stamp: 10441 [ 51.023816] hardirqs last enabled at (10453): [] __up_console_sem+0x78/0x80 [ 51.024899] hardirqs last disabled at (10464): [] __up_console_sem+0x5d/0x80 [ 51.025959] softirqs last enabled at (10206): [] irq_exit_rcu+0x93/0xc0 [ 51.027005] softirqs last disabled at (10201): [] irq_exit_rcu+0x93/0xc0 [ 51.028059] ---[ end trace 0000000000000000 ]--- [ 51.029752] ------------[ cut here ]------------ [ 51.030458] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.032848] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.034114] Modules linked in: [ 51.034644] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.036054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.037270] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.038074] 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 [ 51.040698] RSP: 0018:ffff88801f75fbf0 EFLAGS: 00010286 [ 51.041487] RAX: 0000000000000000 RBX: ffff88800dba5e40 RCX: 0000000000000000 [ 51.042564] RDX: ffff888016fa3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.043641] RBP: ffff88800dba5e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.044720] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.045775] R13: ffffffff84e223a0 R14: ffff88800dba5e48 R15: ffffffff84daf020 [ 51.046834] FS: 00005555567b3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.048023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.048949] CR2: 00007f610d8edc60 CR3: 000000000efe6000 CR4: 0000000000350ef0 [ 51.050025] Call Trace: [ 51.050422] [ 51.050828] nf_ct_net_init+0x224/0x3d0 [ 51.051443] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.052184] ops_init+0xbb/0x6b0 [ 51.052755] setup_net+0x3d9/0x990 [ 51.053302] ? down_read_killable+0x1d7/0x4e0 [ 51.054024] ? __pfx_setup_net+0x10/0x10 [ 51.054666] ? copy_net_ns+0x17c/0x770 [ 51.055281] copy_net_ns+0x321/0x770 [ 51.055899] create_new_namespaces+0x3f6/0xb30 [ 51.056672] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.057411] ksys_unshare+0x44d/0x8e0 [ 51.058053] ? __pfx_ksys_unshare+0x10/0x10 [ 51.058748] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.059640] __x64_sys_unshare+0x31/0x40 [ 51.060287] do_syscall_64+0x3f/0x90 [ 51.060898] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.061686] RIP: 0033:0x7fbb61fba0d7 [ 51.062233] 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 [ 51.064779] RSP: 002b:00007fff1d36dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.065906] RAX: ffffffffffffffda RBX: 00007fff1d36e618 RCX: 00007fbb61fba0d7 [ 51.066959] RDX: 00007fbb6202441f RSI: 00007fff1d36df70 RDI: 0000000040000000 [ 51.068011] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1d36dd80 [ 51.069098] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb620ccbf0 [ 51.070142] R13: 00007fff1d36e0b0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.071220] [ 51.071611] irq event stamp: 11271 [ 51.072158] hardirqs last enabled at (11281): [] __up_console_sem+0x78/0x80 [ 51.073417] hardirqs last disabled at (11292): [] __up_console_sem+0x5d/0x80 [ 51.074680] softirqs last enabled at (11074): [] irq_exit_rcu+0x93/0xc0 [ 51.075913] softirqs last disabled at (11065): [] irq_exit_rcu+0x93/0xc0 [ 51.077150] ---[ end trace 0000000000000000 ]--- [ 52.609332] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.656652] Bluetooth: hci0: command 0x041b tx timeout [ 56.704648] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.752640] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:23:28 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f75f5f0 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 00005555567b3400 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=00007f610d8edc60 CR3=000000000efe6000 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=0000000000030b91 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=00000202 [-------] 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=00007f4c48039108 CR3=000000000eb64000 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=2039323a33323a33302037312079614d XMM01=5d3432393733392e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000