[ 39.303370] ------------[ cut here ]------------ [ 39.304291] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.306320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.307811] Modules linked in: [ 39.308612] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.311103] Tainted: [W]=WARN [ 39.311882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.313664] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.314621] 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 [ 39.317981] RSP: 0018:ffff888016a07bc0 EFLAGS: 00010286 [ 39.319040] RAX: 0000000000000000 RBX: ffffed1002d40f78 RCX: ffffffff813a4050 [ 39.320403] RDX: ffff88800f8d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.321749] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d40f2f [ 39.323088] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.324410] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a07df8 [ 39.325749] FS: 00007f9fb0ef9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.327202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.328270] CR2: 00007fff127b0ef7 CR3: 000000001cd56000 CR4: 0000000000350ef0 [ 39.329562] Call Trace: [ 39.330024] [ 39.330558] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.331515] ? __create_object+0x59/0x80 [ 39.332276] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.333281] __vmalloc_noprof+0x59/0x60 [ 39.334081] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.335018] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.335991] bpf_prog_alloc+0x39/0x200 [ 39.336757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.337715] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.338684] do_seccomp+0x349/0x25e0 [ 39.339434] ? find_held_lock+0x2b/0x80 [ 39.340161] ? do_prlimit+0x310/0x610 [ 39.340935] ? __pfx_do_seccomp+0x10/0x10 [ 39.341759] ? do_raw_spin_unlock+0x53/0x220 [ 39.343172] ? _raw_spin_unlock+0x1e/0x40 [ 39.343994] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.344987] ? static_key_count+0x60/0x80 [ 39.345830] prctl_set_seccomp+0x4e/0x70 [ 39.346721] __do_sys_prctl+0xe6c/0x1d70 [ 39.347546] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.348468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.349606] ? irqentry_exit+0xf3/0x650 [ 39.350336] do_syscall_64+0xbf/0x430 [ 39.351119] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.352128] RIP: 0033:0x7f9fb13eb5cd [ 39.352849] 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 [ 39.356172] RSP: 002b:00007fff127afb40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.357616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9fb13eb5cd [ 39.358935] RDX: 0000562c5bf31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.360259] RBP: 00007fff127afba0 R08: 0000000000000000 R09: 00007fff127af240 [ 39.361626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c6b319ad0 [ 39.363033] R13: 00007fff127affd0 R14: 0000562c6b31abc0 R15: 0000562c6b32b780 [ 39.364249] [ 39.364643] irq event stamp: 3121 [ 39.365146] hardirqs last enabled at (3129): [] __up_console_sem+0x78/0x80 [ 39.366412] hardirqs last disabled at (3138): [] __up_console_sem+0x5d/0x80 [ 39.367712] softirqs last enabled at (3068): [] handle_softirqs+0x50c/0x770 [ 39.369002] softirqs last disabled at (3063): [] __irq_exit_rcu+0xc4/0x100 [ 39.370260] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.972365] ------------[ cut here ]------------ [ 42.973174] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.974971] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.976249] Modules linked in: [ 42.976933] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.978648] Tainted: [W]=WARN [ 42.979141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.980400] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.981133] 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 [ 42.983844] RSP: 0018:ffff888015d27bc0 EFLAGS: 00010286 [ 42.984660] RAX: 0000000000000000 RBX: ffffed1002ba4f78 RCX: ffffffff813a4050 [ 42.985737] RDX: ffff88801a089bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.986827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ba4f2f [ 42.987924] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.988998] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d27df8 [ 42.990101] FS: 00007f8a8d393900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.991361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.992267] CR2: 00007f8a8d885580 CR3: 00000000205ae000 CR4: 0000000000350ef0 [ 42.993361] Call Trace: [ 42.993794] [ 42.994139] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.995061] ? __create_object+0x59/0x80 [ 42.996042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.997055] __vmalloc_noprof+0x59/0x60 [ 42.997743] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.998475] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.999261] bpf_prog_alloc+0x39/0x200 [ 42.999896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.001747] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.002521] do_seccomp+0x349/0x25e0 [ 43.003114] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.003869] ? __pfx_do_seccomp+0x10/0x10 [ 43.004516] ? find_held_lock+0x2b/0x80 [ 43.005151] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.006042] ? static_key_count+0x60/0x80 [ 43.006727] prctl_set_seccomp+0x4e/0x70 [ 43.007349] __do_sys_prctl+0xe6c/0x1d70 [ 43.008015] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.008768] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.009594] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.010367] ? irqentry_exit+0xf3/0x650 [ 43.011027] do_syscall_64+0xbf/0x430 [ 43.011662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.012448] RIP: 0033:0x7f8a8d8855cd [ 43.013020] 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 [ 43.015709] RSP: 002b:00007fffb9f26ec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.016883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a8d8855cd [ 43.018005] RDX: 00005617439fce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.019170] RBP: 00007fffb9f26f20 R08: 0000000000000000 R09: 00007fffb9f265c0 [ 43.020254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561749d14ad0 [ 43.021400] R13: 00007fffb9f27350 R14: 0000561749d15bc0 R15: 0000561749d26780 [ 43.022545] [ 43.022921] irq event stamp: 1981 [ 43.023475] hardirqs last enabled at (1991): [] __up_console_sem+0x78/0x80 [ 43.024784] hardirqs last disabled at (2000): [] __up_console_sem+0x5d/0x80 [ 43.026078] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 43.027403] softirqs last disabled at (1465): [] __irq_exit_rcu+0xc4/0x100 [ 43.028692] ---[ end trace 0000000000000000 ]--- [ 43.872148] ------------[ cut here ]------------ [ 43.873084] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.875157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.876634] Modules linked in: [ 43.877239] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.879316] Tainted: [W]=WARN [ 43.879897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.881361] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.882265] 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 [ 43.885502] RSP: 0018:ffff88801598fbc0 EFLAGS: 00010286 [ 43.886470] RAX: 0000000000000000 RBX: ffffed1002b31f78 RCX: ffffffff813a4050 [ 43.887758] RDX: ffff888016ed0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.889058] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b31f2f [ 43.890357] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.891675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801598fdf8 [ 43.892941] FS: 00007fbdb390b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.894405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.895500] CR2: 00007ffea1aa7ef7 CR3: 00000000205f1000 CR4: 0000000000350ef0 [ 43.896767] Call Trace: [ 43.897229] [ 43.897680] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.898583] ? __create_object+0x59/0x80 [ 43.899328] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.900302] __vmalloc_noprof+0x59/0x60 [ 43.901068] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.901956] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.902885] bpf_prog_alloc+0x39/0x200 [ 43.903636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.904579] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.905476] do_seccomp+0x349/0x25e0 [ 43.906157] ? find_held_lock+0x2b/0x80 [ 43.906907] ? do_prlimit+0x310/0x610 [ 43.907709] ? __pfx_do_seccomp+0x10/0x10 [ 43.908510] ? do_raw_spin_unlock+0x53/0x220 [ 43.909301] ? _raw_spin_unlock+0x1e/0x40 [ 43.910068] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.911029] ? static_key_count+0x60/0x80 [ 43.911843] prctl_set_seccomp+0x4e/0x70 [ 43.912615] __do_sys_prctl+0xe6c/0x1d70 [ 43.913354] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.914231] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.915197] ? irqentry_exit+0xf3/0x650 [ 43.915958] do_syscall_64+0xbf/0x430 [ 43.916699] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.917641] RIP: 0033:0x7fbdb3dfd5cd [ 43.918300] 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 [ 43.921474] RSP: 002b:00007ffea1aa6710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.922841] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdb3dfd5cd [ 43.924027] RDX: 000055fb7bca5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.925088] RBP: 00007ffea1aa6770 R08: 0000000000000000 R09: 00007ffea1aa5e10 [ 43.926162] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbb17cbad0 [ 43.927234] R13: 00007ffea1aa6ba0 R14: 000055fbb17ccbc0 R15: 000055fbb17dd780 [ 43.928318] [ 43.928700] irq event stamp: 1721 [ 43.929199] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 43.930464] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 43.931746] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 43.933039] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 43.934307] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7640' (ECDSA) to the list of known hosts. 2025/11/17 22:49:50 fuzzer started 2025/11/17 22:49:51 dialing manager at localhost:37895 2025/11/17 22:49:51 checking machine... 2025/11/17 22:49:51 checking revisions... [ 44.856883] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:49:51 testing simple program... [ 44.945100] cgroup: Unknown subsys name 'net' [ 45.014550] cgroup: Unknown subsys name 'cpuset' [ 45.037074] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:49:50 Registers: info registers vcpu 0 RAX=00000000c4a627be RBX=00000000d88fe1bc RCX=0000000078faace3 RDX=000000000000000c RSI=ffff888009627960 RDI=0000000000000012 RBP=0000000000000000 RSP=ffff8880096278e0 R8 =0000000078faace3 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000054b R12=0000000000000000 R13=0000000000000000 R14=ffff888009627948 R15=000000000000000c RIP=ffffffff826423f2 RFL=00000283 [--S---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8a8d94a618 CR3=000000001c120000 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=2030353a39343a323220373120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039343a39343a3232203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffffe8ffffd0a600 RCX=1ffffd1ffffa14d2 RDX=ffff888015980000 RSI=ffffffff816e1688 RDI=ffff888013b72020 RBP=ffff888013b72000 RSP=ffff88801597f940 R8 =ffffffff85a8dc88 R9 =fffffbfff0cc9eca R10=0000000000000003 R11=0000000000000001 R12=00000000000026e7 R13=ffff88801649d700 R14=ffff888015980128 R15=ffff888015980000 RIP=ffffffff816e3dac RFL=00000082 [--S----] 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 00007f65d9859900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f65d8f70398 CR3=000000000c08f000 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=0e59df764362efaf974b9c85983cd400 XMM02=ec2efd57dc4c00df0000000000302c20 XMM03=5221661cfd80d00e0000000000302cf0 XMM04=8e8f94f02c49e81700000000000ae988 XMM05=fd12005ebfd2e1a50000000000320680 XMM06=474038aa6c007e1f000000000031f778 XMM07=e042d86d42eb936e000000000030ed20 XMM08=5221661cfd80d00e0000000000302cf0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000