[ 38.956596] ------------[ cut here ]------------ [ 38.957445] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.959423] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.960879] Modules linked in: [ 38.961443] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.964887] Tainted: [W]=WARN [ 38.965433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.966942] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.967858] 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 [ 38.971094] RSP: 0018:ffff88801a7d7bc0 EFLAGS: 00010286 [ 38.972089] RAX: 0000000000000000 RBX: ffffed10034faf78 RCX: ffffffff813a4050 [ 38.973363] RDX: ffff88801579d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.974655] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034faf2f [ 38.975947] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.977215] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a7d7df8 [ 38.978511] FS: 00007f92039a3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.979959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.981019] CR2: 00007f9203e95580 CR3: 000000001e862000 CR4: 0000000000350ef0 [ 38.982313] Call Trace: [ 38.982815] [ 38.983237] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.984121] ? __create_object+0x59/0x80 [ 38.984909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.985880] __vmalloc_noprof+0x59/0x60 [ 38.986638] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.987533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.988426] bpf_prog_alloc+0x39/0x200 [ 38.989174] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.990107] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.991034] do_seccomp+0x349/0x25e0 [ 38.991773] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.992679] ? __pfx_do_seccomp+0x10/0x10 [ 38.993430] ? find_held_lock+0x2b/0x80 [ 38.994206] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.995160] ? static_key_count+0x60/0x80 [ 38.995983] prctl_set_seccomp+0x4e/0x70 [ 38.996770] __do_sys_prctl+0xe6c/0x1d70 [ 38.997569] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.998369] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.999333] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.000299] ? irqentry_exit+0xf3/0x650 [ 39.001074] do_syscall_64+0xbf/0x430 [ 39.001822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.002800] RIP: 0033:0x7f9203e955cd [ 39.003545] 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 [ 39.006759] RSP: 002b:00007fff2be5f3e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.008136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9203e955cd [ 39.009416] RDX: 000055753a063e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.010700] RBP: 00007fff2be5f440 R08: 0000000000000000 R09: 00007fff2be5eae0 [ 39.011987] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575569cc240 [ 39.013294] R13: 00007fff2be5f870 R14: 00005575569cbbf0 R15: 00005575569e04d0 [ 39.014618] [ 39.015048] irq event stamp: 2071 [ 39.015671] hardirqs last enabled at (2081): [] __up_console_sem+0x78/0x80 [ 39.016639] hardirqs last disabled at (2090): [] __up_console_sem+0x5d/0x80 [ 39.017612] softirqs last enabled at (2060): [] handle_softirqs+0x50c/0x770 [ 39.018592] softirqs last disabled at (2055): [] __irq_exit_rcu+0xc4/0x100 [ 39.019571] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.382164] ------------[ cut here ]------------ [ 41.383119] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.385133] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.386653] Modules linked in: [ 41.387269] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.389292] Tainted: [W]=WARN [ 41.389890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.391394] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.392331] 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 [ 41.395517] RSP: 0018:ffff88801c2efbc0 EFLAGS: 00010286 [ 41.396499] RAX: 0000000000000000 RBX: ffffed100385df78 RCX: ffffffff813a4050 [ 41.397805] RDX: ffff88801c179bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.399104] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100385df2f [ 41.400438] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.401772] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c2efdf8 [ 41.403089] FS: 00007f9a309d2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.404603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.405680] CR2: 00007f9a30ec4580 CR3: 000000001d662000 CR4: 0000000000350ef0 [ 41.406998] Call Trace: [ 41.407539] [ 41.407965] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.408877] ? __create_object+0x59/0x80 [ 41.409678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.410679] __vmalloc_noprof+0x59/0x60 [ 41.411409] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.412289] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.413237] bpf_prog_alloc+0x39/0x200 [ 41.413988] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.414920] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.415870] do_seccomp+0x349/0x25e0 [ 41.416604] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.417501] ? __pfx_do_seccomp+0x10/0x10 [ 41.418266] ? find_held_lock+0x2b/0x80 [ 41.419052] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.420031] ? static_key_count+0x60/0x80 [ 41.420843] prctl_set_seccomp+0x4e/0x70 [ 41.421638] __do_sys_prctl+0xe6c/0x1d70 [ 41.422375] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.423240] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.424238] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.425225] ? irqentry_exit+0xf3/0x650 [ 41.426000] do_syscall_64+0xbf/0x430 [ 41.426736] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.427726] RIP: 0033:0x7f9a30ec45cd [ 41.428397] 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 [ 41.431607] RSP: 002b:00007fff0b055290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.432986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a30ec45cd [ 41.434291] RDX: 0000564f354ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.435607] RBP: 00007fff0b0552f0 R08: 0000000000000000 R09: 00007fff0b054990 [ 41.436900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f6d7e22b0 [ 41.438206] R13: 00007fff0b055720 R14: 0000564f6d7e4d20 R15: 0000564f6d7f68d0 [ 41.439560] [ 41.439994] irq event stamp: 1733 [ 41.440641] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 41.442206] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 41.443780] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 41.445336] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 41.446879] ---[ end trace 0000000000000000 ]--- [ 42.176102] ------------[ cut here ]------------ [ 42.177005] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.178980] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.180438] Modules linked in: [ 42.181077] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.183292] Tainted: [W]=WARN [ 42.183957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.185421] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.186304] 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 [ 42.189486] RSP: 0018:ffff888019f37bc0 EFLAGS: 00010286 [ 42.190415] RAX: 0000000000000000 RBX: ffffed10033e6f78 RCX: ffffffff813a4050 [ 42.191700] RDX: ffff88800f3cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.192983] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e6f2f [ 42.194267] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.195546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f37df8 [ 42.196823] FS: 00007ff0186cb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.198266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.199325] CR2: 00007ffcfff63ef8 CR3: 000000001d676000 CR4: 0000000000350ef0 [ 42.200622] Call Trace: [ 42.201084] [ 42.201538] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.202402] ? __create_object+0x59/0x80 [ 42.203187] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.204155] __vmalloc_noprof+0x59/0x60 [ 42.204919] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.205780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.206712] bpf_prog_alloc+0x39/0x200 [ 42.207405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.208334] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.209228] do_seccomp+0x349/0x25e0 [ 42.209945] ? find_held_lock+0x2b/0x80 [ 42.210720] ? do_prlimit+0x310/0x610 [ 42.211422] ? __pfx_do_seccomp+0x10/0x10 [ 42.212215] ? do_raw_spin_unlock+0x53/0x220 [ 42.213035] ? _raw_spin_unlock+0x1e/0x40 [ 42.213809] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.214761] ? static_key_count+0x60/0x80 [ 42.215570] prctl_set_seccomp+0x4e/0x70 [ 42.216294] __do_sys_prctl+0xe6c/0x1d70 [ 42.217061] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.217941] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.218904] ? irqentry_exit+0xf3/0x650 [ 42.219684] do_syscall_64+0xbf/0x430 [ 42.220373] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.221311] RIP: 0033:0x7ff018bbd5cd [ 42.221987] 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 [ 42.225155] RSP: 002b:00007ffcfff621f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.226500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff018bbd5cd [ 42.227791] RDX: 0000560c0101ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.229073] RBP: 00007ffcfff62250 R08: 0000000000000000 R09: 00007ffcfff618f0 [ 42.230347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c15e11ad0 [ 42.231622] R13: 00007ffcfff62680 R14: 0000560c15e12bc0 R15: 0000560c15e23780 [ 42.232913] [ 42.233331] irq event stamp: 1813 [ 42.233979] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 42.235525] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 42.237027] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 42.238556] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 42.239999] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18518' (ECDSA) to the list of known hosts. 2025/11/19 03:36:15 fuzzer started 2025/11/19 03:36:15 dialing manager at localhost:34383 2025/11/19 03:36:15 checking machine... 2025/11/19 03:36:15 checking revisions... [ 43.170433] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:36:15 testing simple program... [ 43.286101] cgroup: Unknown subsys name 'net' [ 43.338308] cgroup: Unknown subsys name 'cpuset' [ 43.353665] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:36:14 Registers: info registers vcpu 0 RAX=0000000080010002 RBX=0000000000000000 RCX=ffffffff8162b92c RDX=ffffffff85c2ca00 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000fb5773958 RSP=ffff88806ce08e98 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000000 R11=0000000000000001 R12=ffff88806ce28500 R13=ffff888017674800 R14=00000009c281eb80 R15=dffffc0000000000 RIP=ffffffff81751e00 RFL=00000046 [---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 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=00007fe78d431000 CR3=000000001cb2e000 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=36333a333020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323335 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff88801c17b780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88801c17c1d8 RDI=ffff88801c17c1d8 RBP=ffff88801c17c1d8 RSP=ffff88801806f3b0 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801c17c1d8 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815228f3 RFL=00000007 [-----PC] 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 00007f9a309d2900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff0b04f000 CR3=000000001f7d0000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000