[ 39.023950] ------------[ cut here ]------------ [ 39.024914] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.027057] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.028565] Modules linked in: [ 39.029198] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.031199] Tainted: [W]=WARN [ 39.031746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.033197] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.034118] 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 [ 39.037296] RSP: 0018:ffff8880158efbc0 EFLAGS: 00010286 [ 39.038265] RAX: 0000000000000000 RBX: ffffed1002b1df78 RCX: ffffffff813a4050 [ 39.039539] RDX: ffff88801664b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.040830] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b1df2f [ 39.042105] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.043382] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158efdf8 [ 39.044664] FS: 00007f39fb30a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.046121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.047181] CR2: 00007ffc0054aef7 CR3: 000000000d96c000 CR4: 0000000000350ef0 [ 39.048513] Call Trace: [ 39.049063] [ 39.049481] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.050369] ? __create_object+0x59/0x80 [ 39.051173] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.052162] __vmalloc_noprof+0x59/0x60 [ 39.052942] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053830] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054761] bpf_prog_alloc+0x39/0x200 [ 39.055510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.056476] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.057452] do_seccomp+0x349/0x25e0 [ 39.058180] ? find_held_lock+0x2b/0x80 [ 39.058974] ? do_prlimit+0x310/0x610 [ 39.059742] ? __pfx_do_seccomp+0x10/0x10 [ 39.060537] ? do_raw_spin_unlock+0x53/0x220 [ 39.061375] ? _raw_spin_unlock+0x1e/0x40 [ 39.062161] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.063146] ? static_key_count+0x60/0x80 [ 39.063895] prctl_set_seccomp+0x4e/0x70 [ 39.064667] __do_sys_prctl+0xe6c/0x1d70 [ 39.065460] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.066325] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.067316] ? irqentry_exit+0xf3/0x650 [ 39.068085] do_syscall_64+0xbf/0x430 [ 39.068778] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.069723] RIP: 0033:0x7f39fb7fc5cd [ 39.070430] 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 [ 39.073642] RSP: 002b:00007ffc00548510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.075024] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39fb7fc5cd [ 39.075864] RDX: 000055d14a895e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.076688] RBP: 00007ffc00548570 R08: 0000000000000000 R09: 00007ffc00547c10 [ 39.077514] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d1738e1240 [ 39.078339] R13: 00007ffc005489a0 R14: 000055d1738e0bf0 R15: 000055d1738f54d0 [ 39.079187] [ 39.079385] irq event stamp: 1731 [ 39.079660] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.080368] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.081069] softirqs last enabled at (1212): [] handle_softirqs+0x50c/0x770 [ 39.081756] softirqs last disabled at (1203): [] __irq_exit_rcu+0xc4/0x100 [ 39.082457] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.328633] ------------[ cut here ]------------ [ 41.329550] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.331568] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.333036] Modules linked in: [ 41.333623] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.335819] Tainted: [W]=WARN [ 41.336599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.338060] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.338925] 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 [ 41.342055] RSP: 0018:ffff88801bad7bc0 EFLAGS: 00010286 [ 41.343030] RAX: 0000000000000000 RBX: ffffed100375af78 RCX: ffffffff813a4050 [ 41.344295] RDX: ffff8880163c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.345560] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100375af2f [ 41.346828] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.348110] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bad7df8 [ 41.349382] FS: 00007f69ad2ba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.350807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.351865] CR2: 00007fff99fd2ef7 CR3: 000000000b645000 CR4: 0000000000350ef0 [ 41.353141] Call Trace: [ 41.353600] [ 41.354046] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.354913] ? __create_object+0x59/0x80 [ 41.355692] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.356647] __vmalloc_noprof+0x59/0x60 [ 41.357397] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.358278] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.359227] bpf_prog_alloc+0x39/0x200 [ 41.359952] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.360904] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.361820] do_seccomp+0x349/0x25e0 [ 41.362543] ? find_held_lock+0x2b/0x80 [ 41.363328] ? do_prlimit+0x310/0x610 [ 41.364081] ? __pfx_do_seccomp+0x10/0x10 [ 41.364844] ? do_raw_spin_unlock+0x53/0x220 [ 41.365676] ? _raw_spin_unlock+0x1e/0x40 [ 41.366475] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.367455] ? static_key_count+0x60/0x80 [ 41.368270] prctl_set_seccomp+0x4e/0x70 [ 41.369083] __do_sys_prctl+0xe6c/0x1d70 [ 41.369824] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.370680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.371673] ? irqentry_exit+0xf3/0x650 [ 41.372456] do_syscall_64+0xbf/0x430 [ 41.373206] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.374172] RIP: 0033:0x7f69ad7ac5cd [ 41.374842] 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 [ 41.378030] RSP: 002b:00007fff99fd0b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.379416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69ad7ac5cd [ 41.380712] RDX: 000055f908d77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.382006] RBP: 00007fff99fd0bd0 R08: 0000000000000000 R09: 00007fff99fd0270 [ 41.383315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f93f2b8bf0 [ 41.384610] R13: 00007fff99fd1000 R14: 000055f93f2c2380 R15: 000055f93f2cd460 [ 41.385917] [ 41.386385] irq event stamp: 1813 [ 41.387050] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 41.388581] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 41.390131] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 41.391725] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 41.393274] ---[ end trace 0000000000000000 ]--- [ 42.023498] ------------[ cut here ]------------ [ 42.024273] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.026027] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.027433] Modules linked in: [ 42.027928] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.029826] Tainted: [W]=WARN [ 42.030333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.031586] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.032354] 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 [ 42.035032] RSP: 0018:ffff888016fa7bc0 EFLAGS: 00010286 [ 42.035817] RAX: 0000000000000000 RBX: ffffed1002df4f78 RCX: ffffffff813a4050 [ 42.036885] RDX: ffff888017230000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.037996] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df4f2f [ 42.039079] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.040149] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fa7df8 [ 42.041229] FS: 00007f8059ad3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.042436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.043339] CR2: 00007f8059fc5580 CR3: 000000000aa62000 CR4: 0000000000350ef0 [ 42.044423] Call Trace: [ 42.044810] [ 42.045189] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.045913] ? __create_object+0x59/0x80 [ 42.046563] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.047385] __vmalloc_noprof+0x59/0x60 [ 42.048013] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.048712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.049499] bpf_prog_alloc+0x39/0x200 [ 42.050117] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.050870] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.051629] do_seccomp+0x349/0x25e0 [ 42.052246] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.052971] ? __pfx_do_seccomp+0x10/0x10 [ 42.053636] ? find_held_lock+0x2b/0x80 [ 42.054266] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.055080] ? static_key_count+0x60/0x80 [ 42.055708] prctl_set_seccomp+0x4e/0x70 [ 42.056349] __do_sys_prctl+0xe6c/0x1d70 [ 42.056964] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.057672] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.058488] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.059302] ? irqentry_exit+0xf3/0x650 [ 42.059906] do_syscall_64+0xbf/0x430 [ 42.060520] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.061327] RIP: 0033:0x7f8059fc55cd [ 42.061878] 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 [ 42.064532] RSP: 002b:00007ffcb7dfc4d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.065666] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8059fc55cd [ 42.066738] RDX: 000055834dac1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.067813] RBP: 00007ffcb7dfc530 R08: 0000000000000000 R09: 00007ffcb7dfbbd0 [ 42.068895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558379ba12b0 [ 42.069959] R13: 00007ffcb7dfc960 R14: 0000558379ba3d20 R15: 0000558379bb58d0 [ 42.071070] [ 42.071426] irq event stamp: 1855 [ 42.071936] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 42.073208] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 42.074468] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 42.075761] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 42.077014] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23156' (ECDSA) to the list of known hosts. 2025/11/17 17:07:02 fuzzer started 2025/11/17 17:07:03 dialing manager at localhost:37895 2025/11/17 17:07:03 checking machine... 2025/11/17 17:07:03 checking revisions... [ 42.983796] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:07:03 testing simple program... [ 43.069732] cgroup: Unknown subsys name 'net' [ 43.121636] cgroup: Unknown subsys name 'cpuset' [ 43.140642] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:07:02 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888018abf8a8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888018abf990 RIP=ffffffff81529257 RFL=00000247 [---Z-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 00007f69ad2ba900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f69ad284008 CR3=0000000020166000 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=0000000000020a3d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fca6e83fcb0 CR3=000000000dd77000 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=33716c757d57969371471030e7455648 XMM02=2c67c8bc2e329bc30000000000304fa0 XMM03=fb795ef6d657705600000000003101a8 XMM04=c2e6205fb77858b700000000000ae988 XMM05=6acc07b3ab080d710000000000321f28 XMM06=817b8945e9d503730000000000321350 XMM07=e042d86d42eb936e0000000000310c58 XMM08=7fe4e4f133b18e630000000000305000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000