[ 39.390515] ------------[ cut here ]------------ [ 39.391283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.393068] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 39.394375] Modules linked in: [ 39.394936] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.396796] Tainted: [W]=WARN [ 39.397302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.398620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.399399] 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 [ 39.402263] RSP: 0018:ffff88801b08fbc0 EFLAGS: 00010286 [ 39.403160] RAX: 0000000000000000 RBX: ffffed1003611f78 RCX: ffffffff813a4050 [ 39.404320] RDX: ffff888016259bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.405486] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003611f2f [ 39.406642] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.407825] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b08fdf8 [ 39.409003] FS: 00007f20868d2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.410307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.411282] CR2: 00007f2086dc4580 CR3: 000000000dc7b000 CR4: 0000000000350ef0 [ 39.412499] Call Trace: [ 39.412918] [ 39.413296] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.414113] ? __create_object+0x59/0x80 [ 39.414833] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.415738] __vmalloc_noprof+0x59/0x60 [ 39.416380] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.417184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.418040] bpf_prog_alloc+0x39/0x200 [ 39.418743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.419588] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.420381] do_seccomp+0x349/0x25e0 [ 39.421040] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.421864] ? __pfx_do_seccomp+0x10/0x10 [ 39.422574] ? find_held_lock+0x2b/0x80 [ 39.423239] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.424119] ? static_key_count+0x60/0x80 [ 39.424835] prctl_set_seccomp+0x4e/0x70 [ 39.425539] __do_sys_prctl+0xe6c/0x1d70 [ 39.426211] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.426981] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.427868] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.428760] ? irqentry_exit+0xf3/0x650 [ 39.429422] do_syscall_64+0xbf/0x430 [ 39.430101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.430959] RIP: 0033:0x7f2086dc45cd [ 39.431590] 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 [ 39.434447] RSP: 002b:00007ffc29262f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.435739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2086dc45cd [ 39.436886] RDX: 00005643b7deee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.438049] RBP: 00007ffc29262fb0 R08: 0000000000000000 R09: 00007ffc29262650 [ 39.439204] R10: 0000000000000000 R11: 0000000000000246 R12: 00005643d5621ad0 [ 39.440397] R13: 00007ffc292633e0 R14: 00005643d5622bc0 R15: 00005643d5633780 [ 39.441576] [ 39.441962] irq event stamp: 1765 [ 39.442570] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.444018] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.445422] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.446881] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.448282] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.112645] ------------[ cut here ]------------ [ 42.113554] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.115582] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 42.117044] Modules linked in: [ 42.117680] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.119702] Tainted: [W]=WARN [ 42.120259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.121758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.122686] 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 [ 42.125953] RSP: 0018:ffff888016277bc0 EFLAGS: 00010286 [ 42.126970] RAX: 0000000000000000 RBX: ffffed1002c4ef78 RCX: ffffffff813a4050 [ 42.128322] RDX: ffff888019d71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.129651] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c4ef2f [ 42.130985] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.132354] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016277df8 [ 42.133712] FS: 00007ff0c75cc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.135172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.136290] CR2: 00007ff0c7b324a6 CR3: 000000000d28b000 CR4: 0000000000350ef0 [ 42.137624] Call Trace: [ 42.138102] [ 42.138570] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.139525] ? __create_object+0x59/0x80 [ 42.140305] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.141286] __vmalloc_noprof+0x59/0x60 [ 42.142069] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.142939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.143918] bpf_prog_alloc+0x39/0x200 [ 42.144666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.145599] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.146504] do_seccomp+0x349/0x25e0 [ 42.147189] ? find_held_lock+0x2b/0x80 [ 42.148012] ? do_prlimit+0x310/0x610 [ 42.148773] ? __pfx_do_seccomp+0x10/0x10 [ 42.149577] ? do_raw_spin_unlock+0x53/0x220 [ 42.150407] ? _raw_spin_unlock+0x1e/0x40 [ 42.151205] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.152233] ? static_key_count+0x60/0x80 [ 42.153087] prctl_set_seccomp+0x4e/0x70 [ 42.153886] __do_sys_prctl+0xe6c/0x1d70 [ 42.154719] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.155612] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.156643] ? irqentry_exit+0xf3/0x650 [ 42.157378] do_syscall_64+0xbf/0x430 [ 42.158143] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.159117] RIP: 0033:0x7ff0c7abe5cd [ 42.159844] 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 [ 42.163018] RSP: 002b:00007ffd097a9170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.164426] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c7abe5cd [ 42.165321] RDX: 0000562f68adee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.166143] RBP: 00007ffd097a91d0 R08: 0000000000000000 R09: 00007ffd097a8870 [ 42.166966] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562f798d6ad0 [ 42.167813] R13: 00007ffd097a9600 R14: 0000562f798d7bc0 R15: 0000562f798e8780 [ 42.168658] [ 42.168869] irq event stamp: 1679 [ 42.169146] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 42.169847] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 42.170551] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 42.171240] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 42.171955] ---[ end trace 0000000000000000 ]--- [ 42.800694] ------------[ cut here ]------------ [ 42.801416] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.803326] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 42.804549] Modules linked in: [ 42.805038] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.806672] Tainted: [W]=WARN [ 42.807128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.808349] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.809100] 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 [ 42.811793] RSP: 0018:ffff88800a5cfbc0 EFLAGS: 00010286 [ 42.812668] RAX: 0000000000000000 RBX: ffffed10014b9f78 RCX: ffffffff813a4050 [ 42.813728] RDX: ffff88801625b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.814797] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014b9f2f [ 42.815871] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.816919] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a5cfdf8 [ 42.817967] FS: 00007f3777bc3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.819160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.820044] CR2: 00007f37780b5580 CR3: 000000000ce25000 CR4: 0000000000350ef0 [ 42.821131] Call Trace: [ 42.821580] [ 42.821923] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.822681] ? __create_object+0x59/0x80 [ 42.823292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.824114] __vmalloc_noprof+0x59/0x60 [ 42.824730] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.825409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.826162] bpf_prog_alloc+0x39/0x200 [ 42.826763] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.827518] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.828236] do_seccomp+0x349/0x25e0 [ 42.828843] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.829587] ? __pfx_do_seccomp+0x10/0x10 [ 42.830197] ? find_held_lock+0x2b/0x80 [ 42.830821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.831635] ? static_key_count+0x60/0x80 [ 42.832271] prctl_set_seccomp+0x4e/0x70 [ 42.832909] __do_sys_prctl+0xe6c/0x1d70 [ 42.833547] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.834215] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.834996] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.835807] ? irqentry_exit+0xf3/0x650 [ 42.836406] do_syscall_64+0xbf/0x430 [ 42.837002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.837775] RIP: 0033:0x7f37780b55cd [ 42.838318] 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 [ 42.840925] RSP: 002b:00007ffc6d0af4c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.842057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37780b55cd [ 42.843113] RDX: 00005654b3939e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.844169] RBP: 00007ffc6d0af520 R08: 0000000000000000 R09: 00007ffc6d0aebc0 [ 42.845229] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654d5ba7bf0 [ 42.846291] R13: 00007ffc6d0af950 R14: 00005654d5bb1380 R15: 00005654d5bbc460 [ 42.847363] [ 42.847751] irq event stamp: 1775 [ 42.848248] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 42.849500] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.850750] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 42.852030] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 42.853278] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56072' (ECDSA) to the list of known hosts. 2025/11/19 06:38:33 fuzzer started 2025/11/19 06:38:33 dialing manager at localhost:34383 2025/11/19 06:38:33 checking machine... 2025/11/19 06:38:33 checking revisions... [ 43.682003] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:38:33 testing simple program... [ 43.779451] cgroup: Unknown subsys name 'net' [ 43.834781] cgroup: Unknown subsys name 'cpuset' [ 43.858208] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:38:33 Registers: info registers vcpu 0 RAX=0000001cf6dbe120 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806ce23b00 RDI=000000000004e633 RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000e062b R11=0000000000000001 R12=000000000004e633 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000013 [----A-C] 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffedd418f98 CR3=0000000005c8a000 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=00007f93562df5100000556f390de790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888009757dc0 RCX=ffff888009757724 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff8880096fc200 RBP=ffff888009750000 RSP=ffff888009757748 R8 =ffffffff86a0ba7e R9 =ffff888009757810 R10=000000000003c9ed R11=000000000000897b R12=ffff888009757801 R13=ffff888009757818 R14=ffff8880096fb780 R15=0000000000000002 RIP=ffffffff81529029 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff0c7b83618 CR3=0000000020bd2000 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=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