[ 39.087571] ------------[ cut here ]------------ [ 39.087983] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.088923] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.089594] Modules linked in: [ 39.089870] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.090795] Tainted: [W]=WARN [ 39.091068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.091725] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.092149] 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 [ 39.093614] RSP: 0018:ffff88800f29fbc0 EFLAGS: 00010286 [ 39.094076] RAX: 0000000000000000 RBX: ffffed1001e53f78 RCX: ffffffff813a4050 [ 39.094644] RDX: ffff888009fed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.095232] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e53f2f [ 39.095807] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.096398] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f29fdf8 [ 39.096967] FS: 00007f02a007a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.097636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.098140] CR2: 00007ffc54114ef8 CR3: 000000000ca05000 CR4: 0000000000350ef0 [ 39.098716] Call Trace: [ 39.098928] [ 39.099139] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.099536] ? __create_object+0x59/0x80 [ 39.099877] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.100321] __vmalloc_noprof+0x59/0x60 [ 39.100648] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.101046] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.101457] bpf_prog_alloc+0x39/0x200 [ 39.101779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.102220] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.102616] do_seccomp+0x349/0x25e0 [ 39.102924] ? find_held_lock+0x2b/0x80 [ 39.103273] ? do_prlimit+0x310/0x610 [ 39.103597] ? __pfx_do_seccomp+0x10/0x10 [ 39.103932] ? do_raw_spin_unlock+0x53/0x220 [ 39.104322] ? _raw_spin_unlock+0x1e/0x40 [ 39.104665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.105110] ? static_key_count+0x60/0x80 [ 39.105463] prctl_set_seccomp+0x4e/0x70 [ 39.105799] __do_sys_prctl+0xe6c/0x1d70 [ 39.106170] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.106542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.106958] ? irqentry_exit+0xf3/0x650 [ 39.107313] do_syscall_64+0xbf/0x430 [ 39.107639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.108078] RIP: 0033:0x7f02a056c5cd [ 39.108381] 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 [ 39.109837] RSP: 002b:00007ffc54112410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.110464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a056c5cd [ 39.111026] RDX: 000055df0b1f1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.111617] RBP: 00007ffc54112470 R08: 0000000000000000 R09: 00007ffc54111b10 [ 39.112211] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df18fc3ad0 [ 39.112779] R13: 00007ffc541128a0 R14: 000055df18fc4bc0 R15: 000055df18fd5780 [ 39.113371] [ 39.113566] irq event stamp: 1713 [ 39.113845] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 39.114552] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 39.115260] softirqs last enabled at (1386): [] handle_softirqs+0x50c/0x770 [ 39.115948] softirqs last disabled at (1375): [] __irq_exit_rcu+0xc4/0x100 [ 39.116644] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.671191] ------------[ cut here ]------------ [ 42.672100] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.674141] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.675576] Modules linked in: [ 42.676203] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.678204] Tainted: [W]=WARN [ 42.678754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.680229] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.681138] 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 [ 42.684314] RSP: 0018:ffff888018d6fbc0 EFLAGS: 00010286 [ 42.685288] RAX: 0000000000000000 RBX: ffffed10031adf78 RCX: ffffffff813a4050 [ 42.686582] RDX: ffff8880162e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.687844] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031adf2f [ 42.689116] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.690626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d6fdf8 [ 42.692053] FS: 00007f6d263d4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.693620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.694783] CR2: 00007f6d268c6580 CR3: 000000001f2ee000 CR4: 0000000000350ef0 [ 42.696187] Call Trace: [ 42.696694] [ 42.697188] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.698207] ? __create_object+0x59/0x80 [ 42.699025] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.700110] __vmalloc_noprof+0x59/0x60 [ 42.700897] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.701869] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.702911] bpf_prog_alloc+0x39/0x200 [ 42.703730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.704763] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.705767] do_seccomp+0x349/0x25e0 [ 42.706563] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.707550] ? __pfx_do_seccomp+0x10/0x10 [ 42.708382] ? find_held_lock+0x2b/0x80 [ 42.709182] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.710208] ? static_key_count+0x60/0x80 [ 42.711006] prctl_set_seccomp+0x4e/0x70 [ 42.711823] __do_sys_prctl+0xe6c/0x1d70 [ 42.712652] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.713581] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.714622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.715654] ? irqentry_exit+0xf3/0x650 [ 42.716464] do_syscall_64+0xbf/0x430 [ 42.717249] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.718290] RIP: 0033:0x7f6d268c65cd [ 42.719005] 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 [ 42.722483] RSP: 002b:00007fff98346120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.723977] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d268c65cd [ 42.725379] RDX: 000056246514de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.726709] RBP: 00007fff98346180 R08: 0000000000000000 R09: 00007fff98345820 [ 42.728112] R10: 0000000000000000 R11: 0000000000000246 R12: 00005624a3544240 [ 42.729521] R13: 00007fff983465b0 R14: 00005624a354d380 R15: 00005624a3558540 [ 42.730955] [ 42.731479] irq event stamp: 1669 [ 42.732194] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 42.733883] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 42.735588] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 42.737317] softirqs last disabled at (1601): [] __irq_exit_rcu+0xc4/0x100 [ 42.738857] ---[ end trace 0000000000000000 ]--- [ 43.592431] ------------[ cut here ]------------ [ 43.593400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.595389] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.596856] Modules linked in: [ 43.597496] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.599472] Tainted: [W]=WARN [ 43.600068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.601626] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.602561] 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 [ 43.605696] RSP: 0018:ffff88801755fbc0 EFLAGS: 00010286 [ 43.606708] RAX: 0000000000000000 RBX: ffffed1002eabf78 RCX: ffffffff813a4050 [ 43.607992] RDX: ffff8880171c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.609287] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eabf2f [ 43.610586] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.611899] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801755fdf8 [ 43.613230] FS: 00007fbae1c51900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.614680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.615756] CR2: 00007fbae2143580 CR3: 000000000dd1c000 CR4: 0000000000350ef0 [ 43.617064] Call Trace: [ 43.617532] [ 43.617938] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.618874] ? __create_object+0x59/0x80 [ 43.619658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.620649] __vmalloc_noprof+0x59/0x60 [ 43.621426] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.622332] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.623265] bpf_prog_alloc+0x39/0x200 [ 43.623956] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.624882] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.625783] do_seccomp+0x349/0x25e0 [ 43.626529] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.627442] ? __pfx_do_seccomp+0x10/0x10 [ 43.628253] ? find_held_lock+0x2b/0x80 [ 43.628978] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.629959] ? static_key_count+0x60/0x80 [ 43.630772] prctl_set_seccomp+0x4e/0x70 [ 43.631560] __do_sys_prctl+0xe6c/0x1d70 [ 43.632349] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.633208] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.634189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.635174] ? irqentry_exit+0xf3/0x650 [ 43.635898] do_syscall_64+0xbf/0x430 [ 43.636645] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.637619] RIP: 0033:0x7fbae21435cd [ 43.638349] 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 [ 43.641528] RSP: 002b:00007ffdf354c860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.642912] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbae21435cd [ 43.644205] RDX: 000055f84fa4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.645500] RBP: 00007ffdf354c8c0 R08: 0000000000000000 R09: 00007ffdf354bf60 [ 43.646804] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f875104ad0 [ 43.647978] R13: 00007ffdf354ccf0 R14: 000055f875105bc0 R15: 000055f875116780 [ 43.649091] [ 43.649448] irq event stamp: 1765 [ 43.649952] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 43.651265] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 43.652588] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 43.653909] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 43.655213] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25656' (ECDSA) to the list of known hosts. 2025/11/19 01:57:16 fuzzer started 2025/11/19 01:57:17 dialing manager at localhost:34383 2025/11/19 01:57:17 checking machine... 2025/11/19 01:57:17 checking revisions... [ 44.750623] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:57:17 testing simple program... [ 44.835924] cgroup: Unknown subsys name 'net' [ 44.914705] cgroup: Unknown subsys name 'cpuset' [ 44.934529] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:57:16 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000030 RCX=ffffffff883d0a28 RDX=0000000000000033 RSI=ffffffff87d09c48 RDI=ffffffff883d0a98 RBP=ffffffff81522860 RSP=ffff888018d1f5f0 R8 =0000000000000000 R9 =0000000000000030 R10=ffff888015f25de8 R11=0000000000000000 R12=ffff888018d1f660 R13=ffffffff815229a0 R14=0000000000000000 R15=ffffffff883d0a98 RIP=ffffffff815237ce 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6d263b3020 CR3=000000000c0d6000 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=ffff888009643780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf08a70 RIP=ffffffff81529327 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1a8ed54000 CR3=000000000bf96000 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=fb6c81258e737eaea04a2aabc9b43a0f XMM02=2c67c8bc2e329bc30000000000302938 XMM03=fb795ef6d6577056000000000030c4e8 XMM04=038c4f6c3b28143300000000000ae988 XMM05=0d4dcc441bd99ab1000000000031fa50 XMM06=474038aa6c007e1f000000000031eaf8 XMM07=e042d86d42eb936e000000000030cb98 XMM08=5ab84d9c16845da00000000000302998 XMM09=00000000000000000000000000000000 XMM10=00000000200000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000