[ 38.954134] ------------[ cut here ]------------ [ 38.955085] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.957057] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.958549] Modules linked in: [ 38.959190] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.961183] Tainted: [W]=WARN [ 38.961782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.963286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.964201] 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 [ 38.967403] RSP: 0018:ffff88801a2e7bc0 EFLAGS: 00010286 [ 38.968397] RAX: 0000000000000000 RBX: ffffed100345cf78 RCX: ffffffff813a4050 [ 38.969695] RDX: ffff8880152fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.970994] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100345cf2f [ 38.972296] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.973576] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a2e7df8 [ 38.974912] FS: 00007f98d083b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.976376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.977464] CR2: 00007ffd0e9bfef7 CR3: 000000000dad2000 CR4: 0000000000350ef0 [ 38.978774] Call Trace: [ 38.979243] [ 38.979703] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.980553] ? __create_object+0x59/0x80 [ 38.981339] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.982327] __vmalloc_noprof+0x59/0x60 [ 38.983103] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.983994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.984944] bpf_prog_alloc+0x39/0x200 [ 38.985702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986589] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.987496] do_seccomp+0x349/0x25e0 [ 38.988214] ? find_held_lock+0x2b/0x80 [ 38.988982] ? do_prlimit+0x310/0x610 [ 38.989750] ? __pfx_do_seccomp+0x10/0x10 [ 38.990497] ? do_raw_spin_unlock+0x53/0x220 [ 38.991321] ? _raw_spin_unlock+0x1e/0x40 [ 38.992111] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.993064] ? static_key_count+0x60/0x80 [ 38.993885] prctl_set_seccomp+0x4e/0x70 [ 38.994689] __do_sys_prctl+0xe6c/0x1d70 [ 38.995447] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.996309] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.997291] ? irqentry_exit+0xf3/0x650 [ 38.998094] do_syscall_64+0xbf/0x430 [ 38.998838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.999786] RIP: 0033:0x7f98d0d2d5cd [ 39.000453] 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 [ 39.003657] RSP: 002b:00007ffd0e9bdb00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.005043] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98d0d2d5cd [ 39.006357] RDX: 0000557526bd1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.007649] RBP: 00007ffd0e9bdb60 R08: 0000000000000000 R09: 00007ffd0e9bd200 [ 39.008934] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575641b22b0 [ 39.010257] R13: 00007ffd0e9bdf90 R14: 00005575641b4d20 R15: 00005575641c68d0 [ 39.011563] [ 39.012034] irq event stamp: 1837 [ 39.012677] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 39.014210] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 39.015790] softirqs last enabled at (1876): [] handle_softirqs+0x50c/0x770 [ 39.017358] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 39.018561] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.617067] ------------[ cut here ]------------ [ 41.617998] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.619975] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.621423] Modules linked in: [ 41.622059] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.624266] Tainted: [W]=WARN [ 41.624928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.626410] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.627324] 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 [ 41.630469] RSP: 0018:ffff888009b1fbc0 EFLAGS: 00010286 [ 41.631435] RAX: 0000000000000000 RBX: ffffed1001363f78 RCX: ffffffff813a4050 [ 41.632701] RDX: ffff8880174b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.633984] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001363f2f [ 41.635253] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.636539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009b1fdf8 [ 41.637814] FS: 00007f9575a24900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.639240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.640301] CR2: 00007f9575f16580 CR3: 000000001f985000 CR4: 0000000000350ef0 [ 41.641578] Call Trace: [ 41.642083] [ 41.642491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.643376] ? __create_object+0x59/0x80 [ 41.644148] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.645134] __vmalloc_noprof+0x59/0x60 [ 41.645894] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.646770] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.647692] bpf_prog_alloc+0x39/0x200 [ 41.648374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.649303] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.650234] do_seccomp+0x349/0x25e0 [ 41.651417] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.652304] ? __pfx_do_seccomp+0x10/0x10 [ 41.653069] ? find_held_lock+0x2b/0x80 [ 41.653832] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.654794] ? static_key_count+0x60/0x80 [ 41.655542] prctl_set_seccomp+0x4e/0x70 [ 41.656317] __do_sys_prctl+0xe6c/0x1d70 [ 41.657097] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.657948] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.658901] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.659877] ? irqentry_exit+0xf3/0x650 [ 41.660592] do_syscall_64+0xbf/0x430 [ 41.661340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.662300] RIP: 0033:0x7f9575f165cd [ 41.663010] 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 [ 41.666175] RSP: 002b:00007fff86335c30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.667524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9575f165cd [ 41.668804] RDX: 00005569770afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.670093] RBP: 00007fff86335c90 R08: 0000000000000000 R09: 00007fff86335330 [ 41.671359] R10: 0000000000000000 R11: 0000000000000246 R12: 000055699234d2b0 [ 41.672642] R13: 00007fff863360c0 R14: 000055699234fd20 R15: 00005569923618d0 [ 41.673950] [ 41.674375] irq event stamp: 2201 [ 41.675029] hardirqs last enabled at (2211): [] __up_console_sem+0x78/0x80 [ 41.676540] hardirqs last disabled at (2220): [] __up_console_sem+0x5d/0x80 [ 41.678052] softirqs last enabled at (2190): [] handle_softirqs+0x50c/0x770 [ 41.679042] softirqs last disabled at (2185): [] __irq_exit_rcu+0xc4/0x100 [ 41.680021] ---[ end trace 0000000000000000 ]--- [ 42.346950] ------------[ cut here ]------------ [ 42.347867] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.349858] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.351350] Modules linked in: [ 42.351976] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.353972] Tainted: [W]=WARN [ 42.354524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.355993] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.356899] 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 [ 42.360078] RSP: 0018:ffff888017677bc0 EFLAGS: 00010286 [ 42.361060] RAX: 0000000000000000 RBX: ffffed1002ecef78 RCX: ffffffff813a4050 [ 42.362362] RDX: ffff8880171d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.363661] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecef2f [ 42.364954] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.366271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017677df8 [ 42.367580] FS: 00007f8fa6ae0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.369060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.370142] CR2: 00007ffcc9388ef7 CR3: 000000001fb2d000 CR4: 0000000000350ef0 [ 42.371459] Call Trace: [ 42.371976] [ 42.372389] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.373296] ? __create_object+0x59/0x80 [ 42.374116] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.375086] __vmalloc_noprof+0x59/0x60 [ 42.375860] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.376770] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.377727] bpf_prog_alloc+0x39/0x200 [ 42.378420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.379363] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.380272] do_seccomp+0x349/0x25e0 [ 42.381001] ? find_held_lock+0x2b/0x80 [ 42.381789] ? do_prlimit+0x310/0x610 [ 42.382487] ? __pfx_do_seccomp+0x10/0x10 [ 42.383274] ? do_raw_spin_unlock+0x53/0x220 [ 42.384109] ? _raw_spin_unlock+0x1e/0x40 [ 42.384894] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.385879] ? static_key_count+0x60/0x80 [ 42.386692] prctl_set_seccomp+0x4e/0x70 [ 42.387432] __do_sys_prctl+0xe6c/0x1d70 [ 42.388249] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.389122] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.390118] ? irqentry_exit+0xf3/0x650 [ 42.390902] do_syscall_64+0xbf/0x430 [ 42.391599] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.392572] RIP: 0033:0x7f8fa6fd25cd [ 42.393281] 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 [ 42.396487] RSP: 002b:00007ffcc9387380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.397876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fa6fd25cd [ 42.399198] RDX: 0000555acb8aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.400492] RBP: 00007ffcc93873e0 R08: 0000000000000000 R09: 00007ffcc9386a80 [ 42.401787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555afa6a42b0 [ 42.403084] R13: 00007ffcc9387810 R14: 0000555afa6a6d20 R15: 0000555afa6b88d0 [ 42.404405] [ 42.404862] irq event stamp: 2055 [ 42.405468] hardirqs last enabled at (2063): [] __up_console_sem+0x78/0x80 [ 42.406995] hardirqs last disabled at (2072): [] __up_console_sem+0x5d/0x80 [ 42.408562] softirqs last enabled at (2092): [] handle_softirqs+0x50c/0x770 [ 42.410147] softirqs last disabled at (2081): [] __irq_exit_rcu+0xc4/0x100 [ 42.411190] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7822' (ECDSA) to the list of known hosts. 2025/11/18 08:36:40 fuzzer started 2025/11/18 08:36:40 dialing manager at localhost:34383 2025/11/18 08:36:40 checking machine... 2025/11/18 08:36:40 checking revisions... [ 43.231501] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:36:40 testing simple program... [ 43.309100] cgroup: Unknown subsys name 'net' [ 43.368557] cgroup: Unknown subsys name 'cpuset' [ 43.385265] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.133944] audit: type=1400 audit(1763455009.403:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 08:36:39 Registers: info registers vcpu 0 RAX=00000000000000c2 RBX=ffff888016360000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016360ad0 RDI=ffff888016360aa8 RBP=ffff888016360a58 RSP=ffff88806ce088c0 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888016360ad0 R13=851011111a724f4f R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815228f5 RFL=00000003 [------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 00007f9575a24900 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=00007f95759e9008 CR3=000000001f9c8000 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=0000000000025bb1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fef1c1b8588 CR3=000000000cc9d000 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=36333a383020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343631 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000