[ 39.267244] ------------[ cut here ]------------ [ 39.268013] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.269750] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.270964] Modules linked in: [ 39.271452] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.273088] Tainted: [W]=WARN [ 39.273554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.274772] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.275496] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.278129] RSP: 0018:ffff88801c07fbc0 EFLAGS: 00010286 [ 39.278943] RAX: 0000000000000000 RBX: ffffed100380ff78 RCX: ffffffff813a4050 [ 39.280008] RDX: ffff88800f991bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.281071] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100380ff2f [ 39.282150] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.283210] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c07fdf8 [ 39.284277] FS: 00007f5ca5de5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.285467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.286355] CR2: 00007f5ca62d7580 CR3: 000000001c683000 CR4: 0000000000350ef0 [ 39.287439] Call Trace: [ 39.287854] [ 39.288197] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.288941] ? __create_object+0x59/0x80 [ 39.289561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.290376] __vmalloc_noprof+0x59/0x60 [ 39.291004] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.291727] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.292464] bpf_prog_alloc+0x39/0x200 [ 39.293071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.293824] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.294545] do_seccomp+0x349/0x25e0 [ 39.295138] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.295874] ? __pfx_do_seccomp+0x10/0x10 [ 39.296492] ? find_held_lock+0x2b/0x80 [ 39.297118] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.297908] ? static_key_count+0x60/0x80 [ 39.298545] prctl_set_seccomp+0x4e/0x70 [ 39.299186] __do_sys_prctl+0xe6c/0x1d70 [ 39.299830] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.300507] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.301312] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.302120] ? irqentry_exit+0xf3/0x650 [ 39.302760] do_syscall_64+0xbf/0x430 [ 39.303347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.304140] RIP: 0033:0x7f5ca62d75cd [ 39.304718] 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 [ 39.307363] RSP: 002b:00007fffda0c4bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.308501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ca62d75cd [ 39.309563] RDX: 0000564ff0186e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.310648] RBP: 00007fffda0c4c10 R08: 0000000000000000 R09: 00007fffda0c42b0 [ 39.311711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565018ad6ad0 [ 39.312775] R13: 00007fffda0c5040 R14: 0000565018ad7bc0 R15: 0000565018ae8780 [ 39.313842] [ 39.314209] irq event stamp: 1717 [ 39.314744] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 39.316008] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 39.317248] softirqs last enabled at (1252): [] handle_softirqs+0x50c/0x770 [ 39.318533] softirqs last disabled at (1243): [] __irq_exit_rcu+0xc4/0x100 [ 39.319782] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.699870] ------------[ cut here ]------------ [ 42.700771] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.702798] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.704215] Modules linked in: [ 42.704830] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.706796] Tainted: [W]=WARN [ 42.707332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.708766] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.709615] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.712762] RSP: 0018:ffff888016677bc0 EFLAGS: 00010286 [ 42.713717] RAX: 0000000000000000 RBX: ffffed1002ccef78 RCX: ffffffff813a4050 [ 42.714980] RDX: ffff888016558000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.716234] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ccef2f [ 42.717483] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.718742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016677df8 [ 42.720010] FS: 00007f23083af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.721430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.722476] CR2: 00007ffd0fc73ef8 CR3: 000000002133e000 CR4: 0000000000350ef0 [ 42.723745] Call Trace: [ 42.724198] [ 42.724598] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.725472] ? __create_object+0x59/0x80 [ 42.726251] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.727187] __vmalloc_noprof+0x59/0x60 [ 42.727927] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.728779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.729688] bpf_prog_alloc+0x39/0x200 [ 42.730377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.731289] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.732182] do_seccomp+0x349/0x25e0 [ 42.732889] ? find_held_lock+0x2b/0x80 [ 42.733587] ? do_prlimit+0x310/0x610 [ 42.734328] ? __pfx_do_seccomp+0x10/0x10 [ 42.735098] ? do_raw_spin_unlock+0x53/0x220 [ 42.735916] ? _raw_spin_unlock+0x1e/0x40 [ 42.736675] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.737571] ? static_key_count+0x60/0x80 [ 42.738379] prctl_set_seccomp+0x4e/0x70 [ 42.739143] __do_sys_prctl+0xe6c/0x1d70 [ 42.739912] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.740750] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.741702] ? irqentry_exit+0xf3/0x650 [ 42.742431] do_syscall_64+0xbf/0x430 [ 42.743156] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.744087] RIP: 0033:0x7f23088a15cd [ 42.744775] 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 [ 42.747891] RSP: 002b:00007ffd0fc71500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.749225] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23088a15cd [ 42.750490] RDX: 000055a475f2be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.751617] RBP: 00007ffd0fc71560 R08: 0000000000000000 R09: 00007ffd0fc70c00 [ 42.752683] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4820fdad0 [ 42.753732] R13: 00007ffd0fc71990 R14: 000055a4820febc0 R15: 000055a48210f780 [ 42.754804] [ 42.755152] irq event stamp: 1751 [ 42.755682] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 42.756927] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 42.758185] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 42.759449] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 42.760684] ---[ end trace 0000000000000000 ]--- [ 43.442046] ------------[ cut here ]------------ [ 43.443035] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.445263] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.446849] Modules linked in: [ 43.447481] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.451148] Tainted: [W]=WARN [ 43.451895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.453491] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.454491] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.457925] RSP: 0018:ffff888016e0fbc0 EFLAGS: 00010286 [ 43.458994] RAX: 0000000000000000 RBX: ffffed1002dc1f78 RCX: ffffffff813a4050 [ 43.460399] RDX: ffff888016c1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.461811] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc1f2f [ 43.463223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.464615] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e0fdf8 [ 43.466024] FS: 00007f54b2c74900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.467600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.468771] CR2: 00007f54b3166580 CR3: 000000000de6b000 CR4: 0000000000350ef0 [ 43.470180] Call Trace: [ 43.470736] [ 43.471182] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.472156] ? __create_object+0x59/0x80 [ 43.473019] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.474082] __vmalloc_noprof+0x59/0x60 [ 43.474909] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.475853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.476867] bpf_prog_alloc+0x39/0x200 [ 43.477618] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.479060] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.480036] do_seccomp+0x349/0x25e0 [ 43.480809] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.481781] ? __pfx_do_seccomp+0x10/0x10 [ 43.482604] ? find_held_lock+0x2b/0x80 [ 43.483426] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.484461] ? static_key_count+0x60/0x80 [ 43.485332] prctl_set_seccomp+0x4e/0x70 [ 43.486179] __do_sys_prctl+0xe6c/0x1d70 [ 43.487033] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.487955] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.488993] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.490041] ? irqentry_exit+0xf3/0x650 [ 43.490882] do_syscall_64+0xbf/0x430 [ 43.491675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.492691] RIP: 0033:0x7f54b31665cd [ 43.493406] 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 [ 43.496857] RSP: 002b:00007ffeac617860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.498331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f54b31665cd [ 43.499714] RDX: 00005652a9f07e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.501091] RBP: 00007ffeac6178c0 R08: 0000000000000000 R09: 00007ffeac616f60 [ 43.502501] R10: 0000000000000000 R11: 0000000000000246 R12: 00005652d42472b0 [ 43.503756] R13: 00007ffeac617cf0 R14: 00005652d4249d20 R15: 00005652d425b8d0 [ 43.504845] [ 43.505197] irq event stamp: 2067 [ 43.505739] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 43.507019] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 43.508301] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 43.509625] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 43.510928] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10350' (ECDSA) to the list of known hosts. 2025/11/17 13:50:44 fuzzer started 2025/11/17 13:50:44 dialing manager at localhost:37895 2025/11/17 13:50:44 checking machine... 2025/11/17 13:50:44 checking revisions... [ 44.316316] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:50:44 testing simple program... [ 44.402544] cgroup: Unknown subsys name 'net' [ 44.469198] cgroup: Unknown subsys name 'cpuset' [ 44.482315] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:50:43 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=ffffffff87aa8340 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000001 RDI=ffff88800971303c RBP=ffff88806ce08e78 RSP=ffff88806ce08c98 R8 =ffff88806ce08ad0 R9 =ffff88806cf37340 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888009713000 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff814b6004 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcbe2b5d000 CR3=000000000ecc2000 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=8de833e6becb22811940dcb29c4938eb XMM02=ec2efd57dc4c00df0000000000304d50 XMM03=5954344583a0a9a60000000000304e20 XMM04=b70a1aabf15fb04900000000000ae988 XMM05=14648eaa1277bab10000000000321048 XMM06=817b8945e9d503730000000000320ed0 XMM07=e042d86d42eb936e0000000000310870 XMM08=5954344583a0a9a60000000000304e20 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00007f2308968f60 RBX=00007ffd0fc70cd0 RCX=00007ffd0fc70bf8 RDX=0000000000000011 RSI=000000000000002c RDI=00007f2308f59060 RBP=00007ffd0fc70e00 RSP=00007ffd0fc70b70 R8 =000055a482118810 R9 =00007ffd0fc70d00 R10=000000000000002c R11=0000000000000246 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=00007f2308f429ed RFL=00000206 [-----P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f23083af900 00000000 00000000 GS =0000 0000000000000000 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=00007f23089683ec CR3=0000000021338000 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