[ 45.925505] ------------[ cut here ]------------ [ 45.926443] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.928534] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 45.930029] Modules linked in: [ 45.930643] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.932944] Tainted: [W]=WARN [ 45.933518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.935002] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.935954] 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 [ 45.939133] RSP: 0018:ffff888018bbfbc0 EFLAGS: 00010286 [ 45.940142] RAX: 0000000000000000 RBX: ffffed1003177f78 RCX: ffffffff813a4050 [ 45.941445] RDX: ffff888015e38000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.942728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003177f2f [ 45.944048] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.945343] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bbfdf8 [ 45.946642] FS: 00007f3a31152900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.948110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.949182] CR2: 00007f3a31644580 CR3: 000000000f12a000 CR4: 0000000000350ef0 [ 45.950484] Call Trace: [ 45.951000] [ 45.951442] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.952356] ? __create_object+0x59/0x80 [ 45.953141] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.954119] __vmalloc_noprof+0x59/0x60 [ 45.954900] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.955816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.956701] bpf_prog_alloc+0x39/0x200 [ 45.957446] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.958379] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.959285] do_seccomp+0x349/0x25e0 [ 45.960037] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.960950] ? __pfx_do_seccomp+0x10/0x10 [ 45.961710] ? find_held_lock+0x2b/0x80 [ 45.962482] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.963462] ? static_key_count+0x60/0x80 [ 45.964277] prctl_set_seccomp+0x4e/0x70 [ 45.965064] __do_sys_prctl+0xe6c/0x1d70 [ 45.965870] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.966684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.967679] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.968651] ? irqentry_exit+0xf3/0x650 [ 45.969430] do_syscall_64+0xbf/0x430 [ 45.970179] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.971143] RIP: 0033:0x7f3a316445cd [ 45.971889] 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 [ 45.975088] RSP: 002b:00007ffc4220ac70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.976490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a316445cd [ 45.977818] RDX: 00005570b14e7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.979137] RBP: 00007ffc4220acd0 R08: 0000000000000000 R09: 00007ffc4220a370 [ 45.980445] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570ba544ad0 [ 45.981759] R13: 00007ffc4220b100 R14: 00005570ba545bc0 R15: 00005570ba556780 [ 45.983089] [ 45.983534] irq event stamp: 1765 [ 45.984273] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 45.986016] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 45.987571] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 45.989125] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 45.990666] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.002365] ------------[ cut here ]------------ [ 49.003285] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.005340] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.006793] Modules linked in: [ 49.007372] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.009318] Tainted: [W]=WARN [ 49.009896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.011346] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.012260] 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 [ 49.015398] RSP: 0018:ffff88801a6f7bc0 EFLAGS: 00010286 [ 49.016371] RAX: 0000000000000000 RBX: ffffed10034def78 RCX: ffffffff813a4050 [ 49.017668] RDX: ffff88800a1f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.018945] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034def2f [ 49.020234] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.021503] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a6f7df8 [ 49.022772] FS: 00007fb0446c2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.024229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.025277] CR2: 00007fb044bb4580 CR3: 000000000c737000 CR4: 0000000000350ef0 [ 49.026537] Call Trace: [ 49.027039] [ 49.027450] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.028347] ? __create_object+0x59/0x80 [ 49.029096] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.030029] __vmalloc_noprof+0x59/0x60 [ 49.030727] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.031590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.032486] bpf_prog_alloc+0x39/0x200 [ 49.033202] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.034101] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.034982] do_seccomp+0x349/0x25e0 [ 49.035654] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.036516] ? __pfx_do_seccomp+0x10/0x10 [ 49.037280] ? find_held_lock+0x2b/0x80 [ 49.038021] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.038959] ? static_key_count+0x60/0x80 [ 49.039699] prctl_set_seccomp+0x4e/0x70 [ 49.040450] __do_sys_prctl+0xe6c/0x1d70 [ 49.041218] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.042060] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.043001] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.043958] ? irqentry_exit+0xf3/0x650 [ 49.044667] do_syscall_64+0xbf/0x430 [ 49.045385] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.046314] RIP: 0033:0x7fb044bb45cd [ 49.046993] 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 [ 49.050067] RSP: 002b:00007fff86777cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.051380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb044bb45cd [ 49.052631] RDX: 00005647a7147e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.053867] RBP: 00007fff86777d10 R08: 0000000000000000 R09: 00007fff867773b0 [ 49.055108] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647bd58cbf0 [ 49.056358] R13: 00007fff86778140 R14: 00005647bd596380 R15: 00005647bd5a1460 [ 49.057624] [ 49.058075] irq event stamp: 1713 [ 49.058669] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 49.060160] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 49.061381] softirqs last enabled at (1202): [] handle_softirqs+0x50c/0x770 [ 49.062608] softirqs last disabled at (1193): [] __irq_exit_rcu+0xc4/0x100 [ 49.063821] ---[ end trace 0000000000000000 ]--- [ 49.840033] ------------[ cut here ]------------ [ 49.840982] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.843008] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/257 [ 49.844468] Modules linked in: [ 49.845113] CPU: 0 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.847091] Tainted: [W]=WARN [ 49.847657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.849113] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.850018] 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 [ 49.853221] RSP: 0018:ffff8880188efbc0 EFLAGS: 00010286 [ 49.854200] RAX: 0000000000000000 RBX: ffffed100311df78 RCX: ffffffff813a4050 [ 49.855487] RDX: ffff88800f851bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.856772] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100311df2f [ 49.858053] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.859339] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880188efdf8 [ 49.860613] FS: 00007ff7197a8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.862093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.863147] CR2: 00007fffe569def7 CR3: 0000000014043000 CR4: 0000000000350ef0 [ 49.864449] Call Trace: [ 49.864948] [ 49.865359] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.866251] ? __create_object+0x59/0x80 [ 49.867042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.868037] __vmalloc_noprof+0x59/0x60 [ 49.868793] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.869634] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.870558] bpf_prog_alloc+0x39/0x200 [ 49.871295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.872244] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.873153] do_seccomp+0x349/0x25e0 [ 49.873875] ? find_held_lock+0x2b/0x80 [ 49.874593] ? do_prlimit+0x310/0x610 [ 49.875323] ? __pfx_do_seccomp+0x10/0x10 [ 49.876123] ? do_raw_spin_unlock+0x53/0x220 [ 49.876956] ? _raw_spin_unlock+0x1e/0x40 [ 49.877698] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.878680] ? static_key_count+0x60/0x80 [ 49.879549] prctl_set_seccomp+0x4e/0x70 [ 49.880329] __do_sys_prctl+0xe6c/0x1d70 [ 49.881113] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.881980] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.882965] ? irqentry_exit+0xf3/0x650 [ 49.883706] do_syscall_64+0xbf/0x430 [ 49.884459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.885420] RIP: 0033:0x7ff719c9a5cd [ 49.886119] 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 [ 49.889351] RSP: 002b:00007fffe569cc70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.890727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff719c9a5cd [ 49.892035] RDX: 000055bb6c7f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.893317] RBP: 00007fffe569ccd0 R08: 0000000000000000 R09: 00007fffe569c370 [ 49.894600] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb83eb3ad0 [ 49.895891] R13: 00007fffe569d100 R14: 000055bb83eb4bc0 R15: 000055bb83ec5780 [ 49.897197] [ 49.897618] irq event stamp: 1717 [ 49.898269] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 49.899812] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 49.901338] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 49.902883] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 49.904328] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39101' (ECDSA) to the list of known hosts. 2025/11/17 18:19:09 fuzzer started 2025/11/17 18:19:09 dialing manager at localhost:37895 2025/11/17 18:19:09 checking machine... 2025/11/17 18:19:09 checking revisions... [ 50.800959] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:19:10 testing simple program... [ 50.883730] cgroup: Unknown subsys name 'net' [ 50.945640] cgroup: Unknown subsys name 'cpuset' [ 50.957272] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:19:09 Registers: info registers vcpu 0 RAX=000000001ac7260e RBX=ffff888009611bc0 RCX=000000001073dead RDX=0000000000000008 RSI=ffff888009612640 RDI=00000000c57798ad RBP=ffff888009612618 RSP=ffff888009627698 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275a1 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb044c79618 CR3=0000000014008000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002c409 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=00000206 [-----P-] 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f511f865000 CR3=000000000d838000 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=d5bd867c01e710b5ec4f772c279e88ea XMM02=ec2efd57dc4c00df0000000000305620 XMM03=ba7aa9dee80f4e5b00000000003056f0 XMM04=81c49797d98247a100000000000ae988 XMM05=e9e460103171383900000000003204e0 XMM06=4c4481cdbacc88bb000000000031a718 XMM07=e042d86d42eb936e0000000000310d10 XMM08=ba7aa9dee80f4e5b00000000003056f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000