[ 38.974477] ------------[ cut here ]------------ [ 38.975427] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.977470] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.978952] Modules linked in: [ 38.979542] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.981556] Tainted: [W]=WARN [ 38.982158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.983625] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.984547] 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 [ 38.987745] RSP: 0018:ffff888016aefbc0 EFLAGS: 00010286 [ 38.988670] RAX: 0000000000000000 RBX: ffffed1002d5df78 RCX: ffffffff813a4050 [ 38.989957] RDX: ffff88800fe0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.991256] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5df2f [ 38.992546] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.993840] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016aefdf8 [ 38.995133] FS: 00007ff697f49900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.996563] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.997639] CR2: 00007fffb4b94ef8 CR3: 000000000a0e5000 CR4: 0000000000350ef0 [ 38.998909] Call Trace: [ 38.999371] [ 38.999836] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.000685] ? __create_object+0x59/0x80 [ 39.001486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.002463] __vmalloc_noprof+0x59/0x60 [ 39.003223] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.004106] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.005045] bpf_prog_alloc+0x39/0x200 [ 39.005803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.006688] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.007602] do_seccomp+0x349/0x25e0 [ 39.008319] ? find_held_lock+0x2b/0x80 [ 39.009083] ? do_prlimit+0x310/0x610 [ 39.009846] ? __pfx_do_seccomp+0x10/0x10 [ 39.010580] ? do_raw_spin_unlock+0x53/0x220 [ 39.011416] ? _raw_spin_unlock+0x1e/0x40 [ 39.012196] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.013159] ? static_key_count+0x60/0x80 [ 39.013961] prctl_set_seccomp+0x4e/0x70 [ 39.014701] __do_sys_prctl+0xe6c/0x1d70 [ 39.015497] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.016371] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.017349] ? irqentry_exit+0xf3/0x650 [ 39.018122] do_syscall_64+0xbf/0x430 [ 39.018878] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.019837] RIP: 0033:0x7ff69843b5cd [ 39.020494] 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 [ 39.023658] RSP: 002b:00007fffb4b92cd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.025004] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff69843b5cd [ 39.026298] RDX: 0000561c4c66ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.027588] RBP: 00007fffb4b92d30 R08: 0000000000000000 R09: 00007fffb4b923d0 [ 39.028862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c74d612b0 [ 39.030170] R13: 00007fffb4b93160 R14: 0000561c74d63d20 R15: 0000561c74d758d0 [ 39.031471] [ 39.031951] irq event stamp: 1729 [ 39.032569] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 39.034092] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 39.035626] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 39.037181] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 39.038543] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.553390] ------------[ cut here ]------------ [ 42.554153] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.556004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.557321] Modules linked in: [ 42.557850] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.559432] Tainted: [W]=WARN [ 42.559913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.561096] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.561839] 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 [ 42.564353] RSP: 0018:ffff8880173bfbc0 EFLAGS: 00010286 [ 42.565128] RAX: 0000000000000000 RBX: ffffed1002e77f78 RCX: ffffffff813a4050 [ 42.566359] RDX: ffff888015ce1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.567396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e77f2f [ 42.568413] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.569408] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173bfdf8 [ 42.570430] FS: 00007ff8ffa36900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.571556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.572389] CR2: 00007ff8fff28580 CR3: 0000000020157000 CR4: 0000000000350ef0 [ 42.573408] Call Trace: [ 42.573812] [ 42.574135] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.574835] ? __create_object+0x59/0x80 [ 42.575413] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.576166] __vmalloc_noprof+0x59/0x60 [ 42.576772] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.577438] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.578175] bpf_prog_alloc+0x39/0x200 [ 42.578831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.579707] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.580428] do_seccomp+0x349/0x25e0 [ 42.580988] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.581681] ? __pfx_do_seccomp+0x10/0x10 [ 42.582303] ? find_held_lock+0x2b/0x80 [ 42.582900] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.583624] ? static_key_count+0x60/0x80 [ 42.584248] prctl_set_seccomp+0x4e/0x70 [ 42.584850] __do_sys_prctl+0xe6c/0x1d70 [ 42.585432] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.586114] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.586878] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.587793] ? irqentry_exit+0xf3/0x650 [ 42.588362] do_syscall_64+0xbf/0x430 [ 42.588940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.589665] RIP: 0033:0x7ff8fff285cd [ 42.590216] 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 [ 42.592737] RSP: 002b:00007ffccab88470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.593829] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8fff285cd [ 42.594854] RDX: 000055a9008d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.595857] RBP: 00007ffccab884d0 R08: 0000000000000000 R09: 00007ffccab87b70 [ 42.596859] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a937682b10 [ 42.597876] R13: 00007ffccab88900 R14: 000055a9376832b0 R15: 000055a9376976f0 [ 42.598894] [ 42.599226] irq event stamp: 1661 [ 42.599698] hardirqs last enabled at (1669): [] __up_console_sem+0x78/0x80 [ 42.600920] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 42.602120] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 42.603323] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 42.604511] ---[ end trace 0000000000000000 ]--- [ 43.468176] ------------[ cut here ]------------ [ 43.468955] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.470654] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.471900] Modules linked in: [ 43.472386] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.474117] Tainted: [W]=WARN [ 43.474583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.475808] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.476551] 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 [ 43.479191] RSP: 0018:ffff888016307bc0 EFLAGS: 00010286 [ 43.480010] RAX: 0000000000000000 RBX: ffffed1002c60f78 RCX: ffffffff813a4050 [ 43.481074] RDX: ffff888015c6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.482150] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c60f2f [ 43.483213] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.484278] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016307df8 [ 43.485335] FS: 00007fa46f3ba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.486534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.487423] CR2: 00007ffdfe039ef8 CR3: 000000000e5e0000 CR4: 0000000000350ef0 [ 43.488484] Call Trace: [ 43.488915] [ 43.489258] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.490023] ? __create_object+0x59/0x80 [ 43.490641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.491449] __vmalloc_noprof+0x59/0x60 [ 43.492079] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.492807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.493538] bpf_prog_alloc+0x39/0x200 [ 43.494163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.494941] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.495681] do_seccomp+0x349/0x25e0 [ 43.496291] ? find_held_lock+0x2b/0x80 [ 43.496933] ? do_prlimit+0x310/0x610 [ 43.497512] ? __pfx_do_seccomp+0x10/0x10 [ 43.498194] ? do_raw_spin_unlock+0x53/0x220 [ 43.498878] ? _raw_spin_unlock+0x1e/0x40 [ 43.499490] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.500284] ? static_key_count+0x60/0x80 [ 43.500958] prctl_set_seccomp+0x4e/0x70 [ 43.501569] __do_sys_prctl+0xe6c/0x1d70 [ 43.502234] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.502957] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.503764] ? irqentry_exit+0xf3/0x650 [ 43.504363] do_syscall_64+0xbf/0x430 [ 43.504981] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.505780] RIP: 0033:0x7fa46f8ac5cd [ 43.506323] 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 [ 43.508942] RSP: 002b:00007ffdfe038070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.510100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa46f8ac5cd [ 43.511188] RDX: 000055a4077efe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.512263] RBP: 00007ffdfe0380d0 R08: 0000000000000000 R09: 00007ffdfe037770 [ 43.513342] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a40dd96bf0 [ 43.514427] R13: 00007ffdfe038500 R14: 000055a40dda0380 R15: 000055a40ddab460 [ 43.515511] [ 43.515906] irq event stamp: 1753 [ 43.516413] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.517695] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.518996] softirqs last enabled at (1280): [] handle_softirqs+0x50c/0x770 [ 43.520294] softirqs last disabled at (1259): [] __irq_exit_rcu+0xc4/0x100 [ 43.521587] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40368' (ECDSA) to the list of known hosts. 2025/11/18 03:38:46 fuzzer started 2025/11/18 03:38:47 dialing manager at localhost:37895 2025/11/18 03:38:47 checking machine... 2025/11/18 03:38:47 checking revisions... [ 44.443886] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:38:47 testing simple program... [ 44.531535] cgroup: Unknown subsys name 'net' [ 44.589525] cgroup: Unknown subsys name 'cpuset' [ 44.607149] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:38:46 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=8fadc9c365f02367 RDX=1ffff110027b5e8c RSI=00000000530f997f RDI=ffff88806ce31cd0 RBP=ffff888013daf458 RSP=ffff888013daf390 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888013daf460 R13=ffff888013daf448 R14=ffff888015c6b780 R15=ffff888013daf400 RIP=ffffffff8135e4e0 RFL=00000212 [----A--] 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 00007f0e1843e700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc741f2e8 CR3=000000000ccd6000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732036343a3833 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303532 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=ffff88800f3fb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88800b2bf9d8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000266d7 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 00007ff8ffa36900 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=00007ffccab82000 CR3=00000000200fa000 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