[ 39.423295] ------------[ cut here ]------------ [ 39.424023] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.425677] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.426890] Modules linked in: [ 39.427419] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.429073] Tainted: [W]=WARN [ 39.429557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.430777] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.431549] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.434437] RSP: 0018:ffff888016ac7bc0 EFLAGS: 00010286 [ 39.435530] RAX: 0000000000000000 RBX: ffffed1002d58f78 RCX: ffffffff813a4050 [ 39.436692] RDX: ffff888017ab1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.437842] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d58f2f [ 39.438980] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.440115] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ac7df8 [ 39.441193] FS: 00007f6a89a1f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.442392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.443289] CR2: 00007ffc7c320ef8 CR3: 000000001e4b0000 CR4: 0000000000350ef0 [ 39.444365] Call Trace: [ 39.444752] [ 39.445121] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.445829] ? __create_object+0x59/0x80 [ 39.446474] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.447291] __vmalloc_noprof+0x59/0x60 [ 39.447881] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.448617] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.449392] bpf_prog_alloc+0x39/0x200 [ 39.449968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.450737] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.451497] do_seccomp+0x349/0x25e0 [ 39.452059] ? find_held_lock+0x2b/0x80 [ 39.452689] ? do_prlimit+0x310/0x610 [ 39.453305] ? __pfx_do_seccomp+0x10/0x10 [ 39.453926] ? do_raw_spin_unlock+0x53/0x220 [ 39.454611] ? _raw_spin_unlock+0x1e/0x40 [ 39.455318] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.456167] ? static_key_count+0x60/0x80 [ 39.456832] prctl_set_seccomp+0x4e/0x70 [ 39.457491] __do_sys_prctl+0xe6c/0x1d70 [ 39.458174] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.458900] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.459770] ? irqentry_exit+0xf3/0x650 [ 39.460429] do_syscall_64+0xbf/0x430 [ 39.461026] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.461861] RIP: 0033:0x7f6a89f115cd [ 39.462445] 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 [ 39.465135] RSP: 002b:00007ffc7c31ebe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.466280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a89f115cd [ 39.467364] RDX: 000055ee85b56e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.468438] RBP: 00007ffc7c31ec40 R08: 0000000000000000 R09: 00007ffc7c31e2e0 [ 39.469500] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eeafff1240 [ 39.470566] R13: 00007ffc7c31f070 R14: 000055eeafffa380 R15: 000055eeb0005540 [ 39.471660] [ 39.472014] irq event stamp: 1751 [ 39.472545] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.473825] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.475111] softirqs last enabled at (1186): [] handle_softirqs+0x50c/0x770 [ 39.476397] softirqs last disabled at (1181): [] __irq_exit_rcu+0xc4/0x100 [ 39.477647] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.602291] ------------[ cut here ]------------ [ 42.603251] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.605243] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.606698] Modules linked in: [ 42.607332] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.609322] Tainted: [W]=WARN [ 42.609885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.611379] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.612288] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.615472] RSP: 0018:ffff88801a86fbc0 EFLAGS: 00010286 [ 42.616444] RAX: 0000000000000000 RBX: ffffed100350df78 RCX: ffffffff813a4050 [ 42.617736] RDX: ffff88800e7c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.619035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100350df2f [ 42.620326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.621632] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a86fdf8 [ 42.622927] FS: 00007f76a054e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.624416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.625503] CR2: 00007ffdec61def8 CR3: 000000000ea70000 CR4: 0000000000350ef0 [ 42.626795] Call Trace: [ 42.627332] [ 42.627743] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.628640] ? __create_object+0x59/0x80 [ 42.629430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.630397] __vmalloc_noprof+0x59/0x60 [ 42.631183] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.632018] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.632946] bpf_prog_alloc+0x39/0x200 [ 42.633692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.634626] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.635542] do_seccomp+0x349/0x25e0 [ 42.636273] ? find_held_lock+0x2b/0x80 [ 42.636986] ? do_prlimit+0x310/0x610 [ 42.637730] ? __pfx_do_seccomp+0x10/0x10 [ 42.638525] ? do_raw_spin_unlock+0x53/0x220 [ 42.639359] ? _raw_spin_unlock+0x1e/0x40 [ 42.640145] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.641054] ? static_key_count+0x60/0x80 [ 42.641855] prctl_set_seccomp+0x4e/0x70 [ 42.642640] __do_sys_prctl+0xe6c/0x1d70 [ 42.643470] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.644329] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.645308] ? irqentry_exit+0xf3/0x650 [ 42.646028] do_syscall_64+0xbf/0x430 [ 42.646762] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.647726] RIP: 0033:0x7f76a0a405cd [ 42.648443] 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 [ 42.651607] RSP: 002b:00007ffdec61b6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.652979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76a0a405cd [ 42.654256] RDX: 0000563b0af84e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.655572] RBP: 00007ffdec61b730 R08: 0000000000000000 R09: 00007ffdec61add0 [ 42.656858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b3609eb10 [ 42.658141] R13: 00007ffdec61bb60 R14: 0000563b3609f2b0 R15: 0000563b360b36f0 [ 42.659455] [ 42.659889] irq event stamp: 1733 [ 42.660544] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.662079] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.663615] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 42.665189] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 42.666707] ---[ end trace 0000000000000000 ]--- [ 43.331707] ------------[ cut here ]------------ [ 43.332677] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.334779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.336338] Modules linked in: [ 43.336959] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.338998] Tainted: [W]=WARN [ 43.339609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.341132] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.342034] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.345310] RSP: 0018:ffff88801b547bc0 EFLAGS: 00010286 [ 43.346359] RAX: 0000000000000000 RBX: ffffed10036a8f78 RCX: ffffffff813a4050 [ 43.347708] RDX: ffff88800e7a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.349047] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036a8f2f [ 43.350383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.351748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b547df8 [ 43.353059] FS: 00007f4580d28900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.354583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.355718] CR2: 00007f458128e4a6 CR3: 000000000d203000 CR4: 0000000000350ef0 [ 43.357050] Call Trace: [ 43.357566] [ 43.358013] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.358973] ? __create_object+0x59/0x80 [ 43.359834] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.360846] __vmalloc_noprof+0x59/0x60 [ 43.361634] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.362550] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.363547] bpf_prog_alloc+0x39/0x200 [ 43.364328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.365289] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.366220] do_seccomp+0x349/0x25e0 [ 43.366918] ? find_held_lock+0x2b/0x80 [ 43.367717] ? do_prlimit+0x310/0x610 [ 43.368498] ? __pfx_do_seccomp+0x10/0x10 [ 43.369330] ? do_raw_spin_unlock+0x53/0x220 [ 43.370195] ? _raw_spin_unlock+0x1e/0x40 [ 43.370965] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.371991] ? static_key_count+0x60/0x80 [ 43.372850] prctl_set_seccomp+0x4e/0x70 [ 43.373636] __do_sys_prctl+0xe6c/0x1d70 [ 43.374517] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.375439] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.376450] ? irqentry_exit+0xf3/0x650 [ 43.377270] do_syscall_64+0xbf/0x430 [ 43.378002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.379000] RIP: 0033:0x7f458121a5cd [ 43.379741] 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 [ 43.383010] RSP: 002b:00007ffcde4a31a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.384426] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f458121a5cd [ 43.385762] RDX: 000055c8caecde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.387117] RBP: 00007ffcde4a3200 R08: 0000000000000000 R09: 00007ffcde4a28a0 [ 43.388425] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8da6a5bf0 [ 43.389772] R13: 00007ffcde4a3630 R14: 000055c8da6af380 R15: 000055c8da6ba460 [ 43.391147] [ 43.391579] irq event stamp: 1755 [ 43.392264] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.393856] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.395393] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 43.396398] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 43.397384] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27355' (ECDSA) to the list of known hosts. 2025/11/18 23:19:25 fuzzer started 2025/11/18 23:19:25 dialing manager at localhost:34383 2025/11/18 23:19:25 checking machine... 2025/11/18 23:19:25 checking revisions... [ 44.286818] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:19:26 testing simple program... [ 44.393719] cgroup: Unknown subsys name 'net' [ 44.452989] cgroup: Unknown subsys name 'cpuset' [ 44.470554] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:19:25 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=1ffff11002f7ffa3 RCX=ffffffff81a45eff RDX=1ffff11002890aea RSI=ffffffff81a0565f RDI=ffffea0000512168 RBP=ffffffff85a85260 RSP=ffff888017bffcd8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff888014485750 R13=ffff88800a57d140 R14=0000000014485007 R15=ffff88801f7d5ed0 RIP=ffffffff81a05674 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f76a054e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f76a08ea3ec CR3=000000000dabc000 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=6720646572637465733a4d41503d706f 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=0000000000022451 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f76a0b060b0 CR3=000000000d931000 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=39313a333220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000