syzkaller login: [ 45.767752] hrtimer: interrupt took 2945134 ns Warning: Permanently added '[localhost]:19488' (ECDSA) to the list of known hosts. 2023/05/17 09:59:37 fuzzer started 2023/05/17 09:59:37 dialing manager at localhost:35573 2023/05/17 09:59:37 checking machine... 2023/05/17 09:59:37 checking revisions... [ 50.024684] kmemleak: Automatic memory scanning thread ended 2023/05/17 09:59:37 testing simple program... [ 50.124329] cgroup: Unknown subsys name 'net' [ 50.277793] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 63.300932] audit: type=1400 audit(1684317591.169:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 64.510206] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.513869] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.515141] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.518495] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.520384] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.521210] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.844165] ------------[ cut here ]------------ [ 64.844612] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.848504] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.856518] Modules linked in: [ 64.856897] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.857700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.859687] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.863155] 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 [ 64.866603] RSP: 0018:ffff88801bdbfc00 EFLAGS: 00010282 [ 64.868200] RAX: 0000000000000000 RBX: ffff88800fbef440 RCX: 0000000000000000 executing program [ 64.868769] RDX: ffff888016dc1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.882472] RBP: ffff88800fbef454 R08: 0000000000000001 R09: 0000000000000000 [ 64.883033] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.883602] R13: ffffffff84e223a0 R14: ffff88800fbef448 R15: ffffffff84d73340 [ 64.884163] FS: 000055555686e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.884806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.885254] CR2: 00007fab0c0f86f4 CR3: 0000000009ccc000 CR4: 0000000000350ee0 [ 64.885769] Call Trace: [ 64.885960] [ 64.886136] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.886565] ipv4_frags_init_net+0x269/0x440 [ 64.886891] ops_init+0xbb/0x6b0 [ 64.887161] setup_net+0x3d9/0x990 [ 64.887461] ? down_read_killable+0x1d7/0x4e0 [ 64.887807] ? __pfx_setup_net+0x10/0x10 [ 64.888103] ? copy_net_ns+0x17c/0x770 [ 64.888419] copy_net_ns+0x321/0x770 [ 64.888700] create_new_namespaces+0x3f6/0xb30 [ 64.898462] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.899913] ksys_unshare+0x44d/0x8e0 [ 64.900212] ? __pfx_ksys_unshare+0x10/0x10 [ 64.900555] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.903121] __x64_sys_unshare+0x31/0x40 [ 64.903445] do_syscall_64+0x3f/0x90 [ 64.903724] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.906716] RIP: 0033:0x7fb0eeb140d7 [ 64.907158] 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 [ 64.910432] RSP: 002b:00007ffde6fc6a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.912605] RAX: ffffffffffffffda RBX: 00007ffde6fc7078 RCX: 00007fb0eeb140d7 [ 64.915345] RDX: 00007fb0eeb7e41f RSI: 00007ffde6fc69d0 RDI: 0000000040000000 [ 64.917541] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde6fc67e0 [ 64.918150] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb0eec26bf0 [ 64.918763] R13: 00007ffde6fc6b10 R14: 0000000000000000 R15: 00000000000000f8 [ 64.920515] [ 64.920723] irq event stamp: 8431 [ 64.924149] hardirqs last enabled at (8443): [] __up_console_sem+0x78/0x80 [ 64.925939] hardirqs last disabled at (8454): [] __up_console_sem+0x5d/0x80 [ 64.926623] softirqs last enabled at (8250): [] irq_exit_rcu+0x93/0xc0 [ 64.928357] softirqs last disabled at (8245): [] irq_exit_rcu+0x93/0xc0 [ 64.932090] ---[ end trace 0000000000000000 ]--- [ 64.948752] ------------[ cut here ]------------ [ 64.949259] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.950571] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.951382] Modules linked in: [ 64.951682] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.952581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.954071] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.954544] 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 [ 64.956202] RSP: 0018:ffff88801bdbfc00 EFLAGS: 00010282 [ 64.956686] RAX: 0000000000000000 RBX: ffff888008efe040 RCX: 0000000000000000 [ 64.957853] RDX: ffff888016dc1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.958375] RBP: ffff888008efe054 R08: 0000000000000001 R09: 0000000000000000 [ 64.958932] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.959535] R13: ffffffff84e223a0 R14: ffff888008efe048 R15: ffffffff84da62e0 [ 64.960095] FS: 000055555686e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.960757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.961239] CR2: 00007fab0c0f86f4 CR3: 0000000009ccc000 CR4: 0000000000350ee0 [ 64.961849] Call Trace: [ 64.962065] [ 64.962265] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.962725] ipv6_frags_init_net+0x206/0x3c0 [ 64.963084] ops_init+0xbb/0x6b0 [ 64.963375] setup_net+0x3d9/0x990 [ 64.963696] ? down_read_killable+0x1d7/0x4e0 [ 64.964061] ? __pfx_setup_net+0x10/0x10 [ 64.964386] ? copy_net_ns+0x17c/0x770 [ 64.964758] copy_net_ns+0x321/0x770 [ 64.965099] create_new_namespaces+0x3f6/0xb30 [ 64.965532] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.965934] ksys_unshare+0x44d/0x8e0 [ 64.966253] ? __pfx_ksys_unshare+0x10/0x10 [ 64.966679] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.967150] __x64_sys_unshare+0x31/0x40 [ 64.967548] do_syscall_64+0x3f/0x90 [ 64.967859] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.968272] RIP: 0033:0x7fb0eeb140d7 [ 64.968648] 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 [ 64.969859] RSP: 002b:00007ffde6fc6a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.970310] RAX: ffffffffffffffda RBX: 00007ffde6fc7078 RCX: 00007fb0eeb140d7 [ 64.970774] RDX: 00007fb0eeb7e41f RSI: 00007ffde6fc69d0 RDI: 0000000040000000 [ 64.971329] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde6fc67e0 [ 64.971805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb0eec26bf0 [ 64.972235] R13: 00007ffde6fc6b10 R14: 0000000000000000 R15: 00000000000000f8 [ 64.972689] [ 64.972920] irq event stamp: 12385 [ 64.973210] hardirqs last enabled at (12395): [] __up_console_sem+0x78/0x80 [ 64.973794] hardirqs last disabled at (12406): [] __up_console_sem+0x5d/0x80 [ 64.974318] softirqs last enabled at (12114): [] irq_exit_rcu+0x93/0xc0 [ 64.974927] softirqs last disabled at (12109): [] irq_exit_rcu+0x93/0xc0 [ 64.975441] ---[ end trace 0000000000000000 ]--- [ 64.976535] ------------[ cut here ]------------ [ 64.976975] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.978262] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.979008] Modules linked in: [ 64.979276] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.980052] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.980703] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.981155] 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 [ 64.982617] RSP: 0018:ffff88801bdbfbf0 EFLAGS: 00010286 [ 64.983043] RAX: 0000000000000000 RBX: ffff888008efee40 RCX: 0000000000000000 [ 64.983665] RDX: ffff888016dc1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.984199] RBP: ffff888008efee54 R08: 0000000000000001 R09: 0000000000000000 [ 64.984818] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.985377] R13: ffffffff84e223a0 R14: ffff888008efee48 R15: ffffffff84daf020 [ 64.986015] FS: 000055555686e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.986660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.987125] CR2: 00007fab0c0f86f4 CR3: 0000000009ccc000 CR4: 0000000000350ee0 [ 64.987697] Call Trace: [ 64.987922] [ 64.988121] nf_ct_net_init+0x224/0x3d0 [ 64.988507] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.988946] ops_init+0xbb/0x6b0 [ 64.989237] setup_net+0x3d9/0x990 [ 64.989596] ? down_read_killable+0x1d7/0x4e0 [ 64.989973] ? __pfx_setup_net+0x10/0x10 [ 64.990300] ? copy_net_ns+0x17c/0x770 [ 64.990704] copy_net_ns+0x321/0x770 [ 64.991035] create_new_namespaces+0x3f6/0xb30 [ 64.991477] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.991882] ksys_unshare+0x44d/0x8e0 [ 64.992198] ? __pfx_ksys_unshare+0x10/0x10 [ 64.992556] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.992993] __x64_sys_unshare+0x31/0x40 [ 64.993313] do_syscall_64+0x3f/0x90 [ 64.993613] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.994006] RIP: 0033:0x7fb0eeb140d7 [ 64.994239] 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 [ 64.995432] RSP: 002b:00007ffde6fc6a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.995947] RAX: ffffffffffffffda RBX: 00007ffde6fc7078 RCX: 00007fb0eeb140d7 [ 64.996367] RDX: 00007fb0eeb7e41f RSI: 00007ffde6fc69d0 RDI: 0000000040000000 [ 64.996908] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde6fc67e0 [ 64.997427] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb0eec26bf0 [ 64.997963] R13: 00007ffde6fc6b10 R14: 0000000000000000 R15: 00000000000000f8 [ 64.998436] [ 64.998596] irq event stamp: 13121 [ 64.998829] hardirqs last enabled at (13131): [] __up_console_sem+0x78/0x80 [ 64.999336] hardirqs last disabled at (13140): [] __up_console_sem+0x5d/0x80 [ 64.999895] softirqs last enabled at (12640): [] irq_exit_rcu+0x93/0xc0 [ 65.000392] softirqs last disabled at (12629): [] irq_exit_rcu+0x93/0xc0 [ 65.001054] ---[ end trace 0000000000000000 ]--- [ 66.570124] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 68.621030] Bluetooth: hci0: command 0x041b tx timeout [ 70.668973] Bluetooth: hci0: command 0x040f tx timeout executing program [ 72.713510] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:59:44 Registers: info registers vcpu 0 RAX=ffffffff87798fd0 RBX=0000000000000030 RCX=ffffffff879411e8 RDX=00000000000003dd RSI=1ffffffff0f281f7 RDI=ffffffff87940fe8 RBP=ffffffff812c2540 RSP=ffff888016e9ee40 R8 =ffffffff87798fd0 R9 =ffffffff87940f48 R10=0000000000000014 R11=1ffffffff0e645a4 R12=ffff888016e9efa8 R13=ffffffff879411f8 R14=dffffc0000000000 R15=ffffffff879411e8 RIP=ffffffff812c422b RFL=00000046 [---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 00007f7a35385700 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=00007fd4ef46a6f4 CR3=00000000190d8000 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=00000000000000ffff00000000000000 XMM02=00000000000000ffff00000000000000 XMM03=73746e696f702061746164203a687365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=5f6d65747379730000646573756e755f XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801bdbf5e0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002f R11=0000000000000001 R12=000000000000002f 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 000055555686e400 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=00007fab0c0f86f4 CR3=0000000009ccc000 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