[ 38.966278] ------------[ cut here ]------------ [ 38.967325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.969779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.971761] Modules linked in: [ 38.972435] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.974797] Tainted: [W]=WARN [ 38.975432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.977084] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.978110] 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 [ 38.981622] RSP: 0018:ffff888014267bc0 EFLAGS: 00010286 [ 38.982717] RAX: 0000000000000000 RBX: ffffed100284cf78 RCX: ffffffff813a4050 [ 38.984155] RDX: ffff88801a005340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.985590] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100284cf2f [ 38.987021] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.988434] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014267df8 [ 38.989882] FS: 00007f10edb59900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.991480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.992665] CR2: 00007ffd0a9f0ef7 CR3: 000000000eaa8000 CR4: 0000000000350ef0 [ 38.994072] Call Trace: [ 38.994646] [ 38.995110] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.996118] ? __create_object+0x59/0x80 [ 38.996997] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.998098] __vmalloc_noprof+0x59/0x60 [ 38.998953] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.999927] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.000936] bpf_prog_alloc+0x39/0x200 [ 39.001755] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002781] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.003768] do_seccomp+0x349/0x25e0 [ 39.004586] ? find_held_lock+0x2b/0x80 [ 39.005403] ? do_prlimit+0x310/0x610 [ 39.006212] ? __pfx_do_seccomp+0x10/0x10 [ 39.007101] ? do_raw_spin_unlock+0x53/0x220 [ 39.008031] ? _raw_spin_unlock+0x1e/0x40 [ 39.008894] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.009984] ? static_key_count+0x60/0x80 [ 39.010882] prctl_set_seccomp+0x4e/0x70 [ 39.011749] __do_sys_prctl+0xe6c/0x1d70 [ 39.012613] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.013506] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.014619] ? irqentry_exit+0xf3/0x650 [ 39.015432] do_syscall_64+0xbf/0x430 [ 39.016255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.017309] RIP: 0033:0x7f10ee04b5cd [ 39.018108] 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 [ 39.021598] RSP: 002b:00007ffd0a9eea80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.023085] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10ee04b5cd [ 39.024305] RDX: 000055611882ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.025458] RBP: 00007ffd0a9eeae0 R08: 0000000000000000 R09: 00007ffd0a9ee180 [ 39.026614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556126a67ad0 [ 39.027777] R13: 00007ffd0a9eef10 R14: 0000556126a68bc0 R15: 0000556126a79780 [ 39.028957] [ 39.029338] irq event stamp: 1803 [ 39.029928] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.031333] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.032696] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 39.034088] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 39.035468] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.531839] ------------[ cut here ]------------ [ 42.532479] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.533969] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.535061] Modules linked in: [ 42.535489] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.536944] Tainted: [W]=WARN [ 42.537348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.538408] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.539089] 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 [ 42.541407] RSP: 0018:ffff88800dcdfbc0 EFLAGS: 00010286 [ 42.542123] RAX: 0000000000000000 RBX: ffffed1001b9bf78 RCX: ffffffff813a4050 [ 42.543075] RDX: ffff888019f78000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.544013] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b9bf2f [ 42.544956] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.545895] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dcdfdf8 [ 42.546846] FS: 00007fc26ef65900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.547890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.548647] CR2: 00007fc26f457580 CR3: 000000000d65d000 CR4: 0000000000350ef0 [ 42.549587] Call Trace: [ 42.549923] [ 42.550216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.550876] ? __create_object+0x59/0x80 [ 42.551418] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.552120] __vmalloc_noprof+0x59/0x60 [ 42.552670] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.553267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.553943] bpf_prog_alloc+0x39/0x200 [ 42.554439] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.555113] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.555766] do_seccomp+0x349/0x25e0 [ 42.556252] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.556894] ? __pfx_do_seccomp+0x10/0x10 [ 42.557427] ? find_held_lock+0x2b/0x80 [ 42.557979] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.558674] ? static_key_count+0x60/0x80 [ 42.559223] prctl_set_seccomp+0x4e/0x70 [ 42.559785] __do_sys_prctl+0xe6c/0x1d70 [ 42.560316] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.560934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.561623] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.562288] ? irqentry_exit+0xf3/0x650 [ 42.562861] do_syscall_64+0xbf/0x430 [ 42.563363] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.564052] RIP: 0033:0x7fc26f4575cd [ 42.564559] 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 [ 42.566875] RSP: 002b:00007ffda5bec590 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.567866] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc26f4575cd [ 42.568785] RDX: 00005597e0fe5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.569720] RBP: 00007ffda5bec5f0 R08: 0000000000000000 R09: 00007ffda5bebc90 [ 42.570671] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597fd137ad0 [ 42.571598] R13: 00007ffda5beca20 R14: 00005597fd138bc0 R15: 00005597fd149780 [ 42.572499] [ 42.572839] irq event stamp: 1899 [ 42.573271] hardirqs last enabled at (1907): [] __up_console_sem+0x78/0x80 [ 42.574371] hardirqs last disabled at (1916): [] __up_console_sem+0x5d/0x80 [ 42.575480] softirqs last enabled at (1414): [] handle_softirqs+0x50c/0x770 [ 42.576596] softirqs last disabled at (1403): [] __irq_exit_rcu+0xc4/0x100 [ 42.577678] ---[ end trace 0000000000000000 ]--- [ 43.408861] ------------[ cut here ]------------ [ 43.409809] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.411850] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.413349] Modules linked in: [ 43.413999] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.416002] Tainted: [W]=WARN [ 43.416608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.418085] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.419021] 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 [ 43.422198] RSP: 0018:ffff888019e4fbc0 EFLAGS: 00010286 [ 43.423190] RAX: 0000000000000000 RBX: ffffed10033c9f78 RCX: ffffffff813a4050 [ 43.424479] RDX: ffff88801a003780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.425768] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c9f2f [ 43.427066] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.428343] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e4fdf8 [ 43.429633] FS: 00007f7ab1b1e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.431103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.432147] CR2: 00007ffc63b56ef7 CR3: 000000001f81d000 CR4: 0000000000350ef0 [ 43.433433] Call Trace: [ 43.433948] [ 43.434362] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.435273] ? __create_object+0x59/0x80 [ 43.436075] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.437058] __vmalloc_noprof+0x59/0x60 [ 43.437812] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.438709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.439666] bpf_prog_alloc+0x39/0x200 [ 43.440363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.441289] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.442176] do_seccomp+0x349/0x25e0 [ 43.442907] ? find_held_lock+0x2b/0x80 [ 43.443672] ? do_prlimit+0x310/0x610 [ 43.444371] ? __pfx_do_seccomp+0x10/0x10 [ 43.445163] ? do_raw_spin_unlock+0x53/0x220 [ 43.446004] ? _raw_spin_unlock+0x1e/0x40 [ 43.446806] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.447775] ? static_key_count+0x60/0x80 [ 43.448582] prctl_set_seccomp+0x4e/0x70 [ 43.449316] __do_sys_prctl+0xe6c/0x1d70 [ 43.450114] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.451099] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.452085] ? irqentry_exit+0xf3/0x650 [ 43.452864] do_syscall_64+0xbf/0x430 [ 43.453626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.454587] RIP: 0033:0x7f7ab20105cd [ 43.455285] 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 [ 43.458486] RSP: 002b:00007ffc63b54b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.459878] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ab20105cd [ 43.461164] RDX: 000055a32fa97e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.462479] RBP: 00007ffc63b54bc0 R08: 0000000000000000 R09: 00007ffc63b54260 [ 43.463795] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a34b85fad0 [ 43.465083] R13: 00007ffc63b54ff0 R14: 000055a34b860bc0 R15: 000055a34b871780 [ 43.466388] [ 43.466854] irq event stamp: 1783 [ 43.467462] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 43.468992] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 43.470542] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 43.471914] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 43.473206] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23599' (ECDSA) to the list of known hosts. 2025/11/18 00:11:11 fuzzer started 2025/11/18 00:11:11 dialing manager at localhost:37895 2025/11/18 00:11:11 checking machine... 2025/11/18 00:11:11 checking revisions... [ 44.354090] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:11:11 testing simple program... [ 44.448058] cgroup: Unknown subsys name 'net' [ 44.497951] cgroup: Unknown subsys name 'cpuset' [ 44.514956] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:11:10 Registers: info registers vcpu 0 RAX=ffff888017710000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801a05f608 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002672d R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 00007fc26ef65900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc26ef44020 CR3=000000000d4cb000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000270fb 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc57bcc8f8 CR3=0000000009d9f000 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=2030313a31313a303020383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030313a31313a3030203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000