[ 45.436878] ------------[ cut here ]------------ [ 45.437593] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.439265] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 45.440464] Modules linked in: [ 45.440993] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.442611] Tainted: [W]=WARN [ 45.443106] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.444335] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.445301] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 45.447981] RSP: 0018:ffff888017c4fbc0 EFLAGS: 00010286 [ 45.448798] RAX: 0000000000000000 RBX: ffffed1002f89f78 RCX: ffffffff813a4050 [ 45.449860] RDX: ffff888017db9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.450925] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f89f2f [ 45.451998] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.453051] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c4fdf8 [ 45.454120] FS: 00007fb2d5c2c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.455314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.456190] CR2: 00007ffdea149ef7 CR3: 000000000ec8b000 CR4: 0000000000350ef0 [ 45.457256] Call Trace: [ 45.457637] [ 45.458008] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.458757] ? __create_object+0x59/0x80 [ 45.459384] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.460188] __vmalloc_noprof+0x59/0x60 [ 45.460813] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.461484] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.462255] bpf_prog_alloc+0x39/0x200 [ 45.462880] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.463625] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.464378] do_seccomp+0x349/0x25e0 [ 45.464967] ? find_held_lock+0x2b/0x80 [ 45.465561] ? do_prlimit+0x310/0x610 [ 45.466171] ? __pfx_do_seccomp+0x10/0x10 [ 45.466814] ? do_raw_spin_unlock+0x53/0x220 [ 45.467479] ? _raw_spin_unlock+0x1e/0x40 [ 45.468127] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.468921] ? static_key_count+0x60/0x80 [ 45.469541] prctl_set_seccomp+0x4e/0x70 [ 45.470185] __do_sys_prctl+0xe6c/0x1d70 [ 45.470829] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.471510] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.472308] ? irqentry_exit+0xf3/0x650 [ 45.472947] do_syscall_64+0xbf/0x430 [ 45.473516] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.474299] RIP: 0033:0x7fb2d611e5cd [ 45.474888] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 45.477485] RSP: 002b:00007ffdea1472e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.478605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2d611e5cd [ 45.479655] RDX: 000056413555fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.480721] RBP: 00007ffdea147340 R08: 0000000000000000 R09: 00007ffdea1469e0 [ 45.481785] R10: 0000000000000000 R11: 0000000000000246 R12: 000056414a9a3bf0 [ 45.482848] R13: 00007ffdea147770 R14: 000056414a9ad380 R15: 000056414a9b8460 [ 45.483934] [ 45.484283] irq event stamp: 1835 [ 45.484825] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 45.486075] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 45.487343] softirqs last enabled at (1464): [] handle_softirqs+0x50c/0x770 [ 45.488620] softirqs last disabled at (1449): [] __irq_exit_rcu+0xc4/0x100 [ 45.489873] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.178965] ------------[ cut here ]------------ [ 48.179918] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.181975] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 48.183481] Modules linked in: [ 48.184130] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.186368] Tainted: [W]=WARN [ 48.187466] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.188968] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.189910] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 48.193140] RSP: 0018:ffff888016ddfbc0 EFLAGS: 00010286 [ 48.194134] RAX: 0000000000000000 RBX: ffffed1002dbbf78 RCX: ffffffff813a4050 [ 48.195445] RDX: ffff888016300000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.196744] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbbf2f [ 48.198042] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.199340] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ddfdf8 [ 48.200610] FS: 00007f21877f5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.202052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.203112] CR2: 00007f2187ce7580 CR3: 000000000e2ac000 CR4: 0000000000350ef0 [ 48.204403] Call Trace: [ 48.204909] [ 48.205324] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.206236] ? __create_object+0x59/0x80 [ 48.207040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.208043] __vmalloc_noprof+0x59/0x60 [ 48.208816] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.209660] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.210606] bpf_prog_alloc+0x39/0x200 [ 48.211377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.212310] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.213224] do_seccomp+0x349/0x25e0 [ 48.213936] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.214832] ? __pfx_do_seccomp+0x10/0x10 [ 48.215581] ? find_held_lock+0x2b/0x80 [ 48.216352] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.217317] ? static_key_count+0x60/0x80 [ 48.218128] prctl_set_seccomp+0x4e/0x70 [ 48.218917] __do_sys_prctl+0xe6c/0x1d70 [ 48.219655] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.220519] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.221486] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.222459] ? irqentry_exit+0xf3/0x650 [ 48.223243] do_syscall_64+0xbf/0x430 [ 48.224002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.224948] RIP: 0033:0x7f2187ce75cd [ 48.225597] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 48.228747] RSP: 002b:00007fff6b884430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.230106] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2187ce75cd [ 48.231404] RDX: 00005573e837fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.232676] RBP: 00007fff6b884490 R08: 0000000000000000 R09: 00007fff6b883b30 [ 48.233970] R10: 0000000000000000 R11: 0000000000000246 R12: 000055741ab10240 [ 48.235255] R13: 00007fff6b8848c0 R14: 000055741ab0fbf0 R15: 000055741ab244d0 [ 48.236552] [ 48.237029] irq event stamp: 1955 [ 48.237626] hardirqs last enabled at (1963): [] __up_console_sem+0x78/0x80 [ 48.239140] hardirqs last disabled at (1972): [] __up_console_sem+0x5d/0x80 [ 48.240644] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 48.242182] softirqs last disabled at (1503): [] __irq_exit_rcu+0xc4/0x100 [ 48.243692] ---[ end trace 0000000000000000 ]--- [ 49.001993] ------------[ cut here ]------------ [ 49.002920] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.005019] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/255 [ 49.006474] Modules linked in: [ 49.007119] CPU: 0 UID: 104 PID: 255 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.009104] Tainted: [W]=WARN [ 49.009657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.011134] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.012034] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.015233] RSP: 0018:ffff88801773fbc0 EFLAGS: 00010286 [ 49.016208] RAX: 0000000000000000 RBX: ffffed1002ee7f78 RCX: ffffffff813a4050 [ 49.017505] RDX: ffff888016fc3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.018798] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee7f2f [ 49.020092] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.021373] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801773fdf8 [ 49.022656] FS: 00007ffac9065900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.024118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.025174] CR2: 00007ffac9557580 CR3: 000000000ff3c000 CR4: 0000000000350ef0 [ 49.026463] Call Trace: [ 49.026978] [ 49.027404] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.028314] ? __create_object+0x59/0x80 [ 49.029109] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.030085] __vmalloc_noprof+0x59/0x60 [ 49.030857] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.031689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.032628] bpf_prog_alloc+0x39/0x200 [ 49.033360] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.034301] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.035226] do_seccomp+0x349/0x25e0 [ 49.035948] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.036847] ? __pfx_do_seccomp+0x10/0x10 [ 49.037599] ? find_held_lock+0x2b/0x80 [ 49.038349] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.039329] ? static_key_count+0x60/0x80 [ 49.040144] prctl_set_seccomp+0x4e/0x70 [ 49.040932] __do_sys_prctl+0xe6c/0x1d70 [ 49.041671] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.042532] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.043513] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.044485] ? irqentry_exit+0xf3/0x650 [ 49.045252] do_syscall_64+0xbf/0x430 [ 49.046014] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.046963] RIP: 0033:0x7ffac95575cd [ 49.047643] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.050836] RSP: 002b:00007ffdfc2ad440 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.052219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffac95575cd [ 49.053517] RDX: 00005589af59ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.054823] RBP: 00007ffdfc2ad4a0 R08: 0000000000000000 R09: 00007ffdfc2acb40 [ 49.056122] R10: 0000000000000000 R11: 0000000000000246 R12: 00005589ce4dbad0 [ 49.057406] R13: 00007ffdfc2ad8d0 R14: 00005589ce4dcbc0 R15: 00005589ce4ed780 [ 49.058734] [ 49.059171] irq event stamp: 1753 [ 49.059820] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.060853] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.061823] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 49.062808] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 49.063786] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30659' (ECDSA) to the list of known hosts. 2025/11/18 03:28:39 fuzzer started 2025/11/18 03:28:39 dialing manager at localhost:37895 2025/11/18 03:28:39 checking machine... 2025/11/18 03:28:39 checking revisions... [ 49.951149] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:28:39 testing simple program... [ 50.037147] cgroup: Unknown subsys name 'net' [ 50.086425] cgroup: Unknown subsys name 'cpuset' [ 50.100276] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:28:38 Registers: info registers vcpu 0 RAX=ffff88800f6f0001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88800f6efc01 RSI=ffff88800f6efc70 RDI=ffff88806ce08a10 RBP=ffff88800f6efc70 RSP=ffff88806ce08968 R8 =ffffffff86ab82f2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255da R12=0000000000000008 R13=ffff88800f6e8000 R14=ffff88800f6efc78 R15=ffff88806ce08a00 RIP=ffffffff8135e2ee RFL=00000296 [--S-AP-] 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 00007f21877f5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055741ab11954 CR3=000000001f167000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000024b0b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2187daa650 CR3=000000000dc31000 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=93c5c21b030391b39e46c88795925096 XMM02=00000000003052b8ec2efd57dc4c00df XMM03=00000000003121501bc66207e68b7216 XMM04=cd1d489b1793927200000000000ae988 XMM05=f6f26eb69d5d053d0000000000320fa8 XMM06=280a1d610a8a97f10000000000320e30 XMM07=e042d86d42eb936e0000000000312428 XMM08=1bc66207e68b72160000000000305318 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000