[ 39.353008] ------------[ cut here ]------------ [ 39.353959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.355944] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.357371] Modules linked in: [ 39.357974] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.359923] Tainted: [W]=WARN [ 39.360521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.361987] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.362899] 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 [ 39.366070] RSP: 0018:ffff8880097b7bc0 EFLAGS: 00010286 [ 39.367036] RAX: 0000000000000000 RBX: ffffed10012f6f78 RCX: ffffffff813a4050 [ 39.368319] RDX: ffff88800a35d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.369605] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10012f6f2f [ 39.370888] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.372169] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880097b7df8 [ 39.373437] FS: 00007f257a729900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.374879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.375939] CR2: 00007ffe86339ef7 CR3: 000000000f709000 CR4: 0000000000350ef0 [ 39.377214] Call Trace: [ 39.377781] [ 39.378202] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.379098] ? __create_object+0x59/0x80 [ 39.379865] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.380836] __vmalloc_noprof+0x59/0x60 [ 39.381615] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.382484] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.383415] bpf_prog_alloc+0x39/0x200 [ 39.384109] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.385034] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.385948] do_seccomp+0x349/0x25e0 [ 39.386951] ? find_held_lock+0x2b/0x80 [ 39.387701] ? do_prlimit+0x310/0x610 [ 39.388442] ? __pfx_do_seccomp+0x10/0x10 [ 39.389181] ? do_raw_spin_unlock+0x53/0x220 [ 39.390015] ? _raw_spin_unlock+0x1e/0x40 [ 39.390789] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.391726] ? static_key_count+0x60/0x80 [ 39.392522] prctl_set_seccomp+0x4e/0x70 [ 39.393249] __do_sys_prctl+0xe6c/0x1d70 [ 39.394029] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.394871] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.395830] ? irqentry_exit+0xf3/0x650 [ 39.396573] do_syscall_64+0xbf/0x430 [ 39.397324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.398238] RIP: 0033:0x7f257ac1b5cd [ 39.398952] 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 [ 39.402130] RSP: 002b:00007ffe86337ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.403480] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f257ac1b5cd [ 39.404771] RDX: 000055d615e5ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.406063] RBP: 00007ffe86337b40 R08: 0000000000000000 R09: 00007ffe863371e0 [ 39.407344] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d64411f2b0 [ 39.408611] R13: 00007ffe86337f70 R14: 000055d644121d20 R15: 000055d6441338d0 [ 39.409910] [ 39.410368] irq event stamp: 1813 [ 39.410959] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 39.412457] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 39.413962] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 39.415485] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 39.416966] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.169185] ------------[ cut here ]------------ [ 43.170131] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.172129] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 43.173564] Modules linked in: [ 43.174171] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.176157] Tainted: [W]=WARN [ 43.176742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.178228] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.179143] 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 [ 43.182320] RSP: 0018:ffff88801cd3fbc0 EFLAGS: 00010286 [ 43.183251] RAX: 0000000000000000 RBX: ffffed10039a7f78 RCX: ffffffff813a4050 [ 43.184575] RDX: ffff888015f09bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.185879] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039a7f2f [ 43.187193] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.188525] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cd3fdf8 [ 43.190019] FS: 00007fc7044ea900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.191636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.192710] CR2: 00007fff08066ef7 CR3: 000000000e3f7000 CR4: 0000000000350ef0 [ 43.194112] Call Trace: [ 43.194683] [ 43.195154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.196156] ? __create_object+0x59/0x80 [ 43.196941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.198041] __vmalloc_noprof+0x59/0x60 [ 43.198862] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.199796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.200720] bpf_prog_alloc+0x39/0x200 [ 43.201525] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.202620] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.203631] do_seccomp+0x349/0x25e0 [ 43.204368] ? find_held_lock+0x2b/0x80 [ 43.205185] ? do_prlimit+0x310/0x610 [ 43.205979] ? __pfx_do_seccomp+0x10/0x10 [ 43.206811] ? do_raw_spin_unlock+0x53/0x220 [ 43.207713] ? _raw_spin_unlock+0x1e/0x40 [ 43.208506] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.209548] ? static_key_count+0x60/0x80 [ 43.210426] prctl_set_seccomp+0x4e/0x70 [ 43.211257] __do_sys_prctl+0xe6c/0x1d70 [ 43.212055] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.212915] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.213908] ? irqentry_exit+0xf3/0x650 [ 43.214678] do_syscall_64+0xbf/0x430 [ 43.215494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.216538] RIP: 0033:0x7fc7049dc5cd [ 43.217410] 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 [ 43.221122] RSP: 002b:00007fff08064d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.222707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc7049dc5cd [ 43.224141] RDX: 000055b58a8ade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.225419] RBP: 00007fff08064df0 R08: 0000000000000000 R09: 00007fff08064490 [ 43.226708] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b599760ad0 [ 43.227978] R13: 00007fff08065220 R14: 000055b599761bc0 R15: 000055b599772780 [ 43.229303] [ 43.229742] irq event stamp: 1755 [ 43.230389] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.231900] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.233413] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 43.234903] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 43.236253] ---[ end trace 0000000000000000 ]--- [ 44.032094] ------------[ cut here ]------------ [ 44.032858] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.034527] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 44.035734] Modules linked in: [ 44.036224] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 44.037922] Tainted: [W]=WARN [ 44.038424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.039650] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.040405] 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 [ 44.043096] RSP: 0018:ffff888016057bc0 EFLAGS: 00010286 [ 44.043909] RAX: 0000000000000000 RBX: ffffed1002c0af78 RCX: ffffffff813a4050 [ 44.044975] RDX: ffff88801c4f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.046057] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c0af2f [ 44.047130] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.048195] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016057df8 [ 44.049285] FS: 00007f2a0f954900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.050490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.051377] CR2: 00007f2a0fe46580 CR3: 0000000016d93000 CR4: 0000000000350ef0 [ 44.052450] Call Trace: [ 44.052838] [ 44.053184] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.053946] ? __create_object+0x59/0x80 [ 44.054593] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.055388] __vmalloc_noprof+0x59/0x60 [ 44.056010] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.056804] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.057583] bpf_prog_alloc+0x39/0x200 [ 44.058171] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.058947] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.059707] do_seccomp+0x349/0x25e0 [ 44.060304] ? __pfx_css_rstat_updated+0x10/0x10 [ 44.061010] ? __pfx_do_seccomp+0x10/0x10 [ 44.061676] ? find_held_lock+0x2b/0x80 [ 44.062301] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.063060] ? static_key_count+0x60/0x80 [ 44.063726] prctl_set_seccomp+0x4e/0x70 [ 44.064388] __do_sys_prctl+0xe6c/0x1d70 [ 44.065005] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.065723] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.066531] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.067333] ? irqentry_exit+0xf3/0x650 [ 44.067944] do_syscall_64+0xbf/0x430 [ 44.068570] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.069400] RIP: 0033:0x7f2a0fe465cd [ 44.070023] 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 [ 44.072660] RSP: 002b:00007ffc038d80b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.073798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a0fe465cd [ 44.074860] RDX: 000055789782ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.075929] RBP: 00007ffc038d8110 R08: 0000000000000000 R09: 00007ffc038d77b0 [ 44.076995] R10: 0000000000000000 R11: 0000000000000246 R12: 000055789ef7cad0 [ 44.078087] R13: 00007ffc038d8540 R14: 000055789ef7dbc0 R15: 000055789ef8e780 [ 44.079174] [ 44.079584] irq event stamp: 1781 [ 44.080085] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 44.081351] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 44.082629] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 44.083911] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 44.085191] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23408' (ECDSA) to the list of known hosts. 2025/11/19 01:06:53 fuzzer started 2025/11/19 01:06:54 dialing manager at localhost:34383 2025/11/19 01:06:54 checking machine... 2025/11/19 01:06:54 checking revisions... [ 44.977661] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:06:54 testing simple program... [ 45.062865] cgroup: Unknown subsys name 'net' [ 45.120646] cgroup: Unknown subsys name 'cpuset' [ 45.133913] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:06:53 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81b629ad RCX=ffff88806ce089a4 RDX=1ffff1100d9c1155 RSI=ffffffff85e1ffe0 RDI=ffffffff81b629ad RBP=ffffffff81b629ad RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=000000000002671b R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff888015f08000 R15=ffff888009462280 RIP=ffffffff81439c17 RFL=00000282 [--S----] 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 00007fc7044ea900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc704a9f650 CR3=0000000015d1c000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffffffffffff RBX=ffffea00006f9e00 RCX=000000000000000b RDX=0000000000001000 RSI=00000000000000ff RDI=ffffed10037cfd00 RBP=0000000000000003 RSP=ffff88801bcbf770 R8 =0000000000000000 R9 =0000000000000000 R10=ffffed10037cf000 R11=0000000000000001 R12=ffffea00006f9e00 R13=ffffffff85a85260 R14=0000000000000000 R15=000000001be78000 RIP=ffffffff84c73c5e RFL=00000202 [-------] 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 00007fc7044ea900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc728a93f8 CR3=0000000015d1c000 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=2033353a36303a313020393120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032353a36303a3130203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000