[ 39.013847] ------------[ cut here ]------------ [ 39.014753] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.016758] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.019654] Modules linked in: [ 39.020237] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.022285] Tainted: [W]=WARN [ 39.022838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.024305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.025163] 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 [ 39.028308] RSP: 0018:ffff888019c4fbc0 EFLAGS: 00010286 [ 39.029221] RAX: 0000000000000000 RBX: ffffed1003389f78 RCX: ffffffff813a4050 [ 39.030462] RDX: ffff88800f171bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.031733] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003389f2f [ 39.033002] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.034289] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c4fdf8 [ 39.035567] FS: 00007f8d2cfbb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.036985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.038033] CR2: 00007fff44e35ef7 CR3: 000000000e14d000 CR4: 0000000000350ef0 [ 39.039306] Call Trace: [ 39.039766] [ 39.040170] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.041062] ? __create_object+0x59/0x80 [ 39.041839] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.042798] __vmalloc_noprof+0x59/0x60 [ 39.043566] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.044441] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.045362] bpf_prog_alloc+0x39/0x200 [ 39.046049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046965] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.047866] do_seccomp+0x349/0x25e0 [ 39.048567] ? find_held_lock+0x2b/0x80 [ 39.049311] ? do_prlimit+0x310/0x610 [ 39.049999] ? __pfx_do_seccomp+0x10/0x10 [ 39.050779] ? do_raw_spin_unlock+0x53/0x220 [ 39.051609] ? _raw_spin_unlock+0x1e/0x40 [ 39.052386] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.053336] ? static_key_count+0x60/0x80 [ 39.054083] prctl_set_seccomp+0x4e/0x70 [ 39.054850] __do_sys_prctl+0xe6c/0x1d70 [ 39.055633] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.056485] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.057435] ? irqentry_exit+0xf3/0x650 [ 39.058141] do_syscall_64+0xbf/0x430 [ 39.058875] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.059833] RIP: 0033:0x7f8d2d4ad5cd [ 39.060520] 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 [ 39.063651] RSP: 002b:00007fff44e34290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.065000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d2d4ad5cd [ 39.066248] RDX: 0000561f74755e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.067536] RBP: 00007fff44e342f0 R08: 0000000000000000 R09: 00007fff44e33990 [ 39.068795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f9c1dcad0 [ 39.070043] R13: 00007fff44e34720 R14: 0000561f9c1ddbc0 R15: 0000561f9c1ee780 [ 39.071317] [ 39.071736] irq event stamp: 2025 [ 39.072366] hardirqs last enabled at (2035): [] __up_console_sem+0x78/0x80 [ 39.073850] hardirqs last disabled at (2044): [] __up_console_sem+0x5d/0x80 [ 39.075339] softirqs last enabled at (1994): [] handle_softirqs+0x50c/0x770 [ 39.076850] softirqs last disabled at (1989): [] __irq_exit_rcu+0xc4/0x100 [ 39.078320] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.497504] ------------[ cut here ]------------ [ 42.498471] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.500548] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.502011] Modules linked in: [ 42.502663] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.504696] Tainted: [W]=WARN [ 42.505249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.506758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.507696] 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 [ 42.510893] RSP: 0018:ffff88801854fbc0 EFLAGS: 00010286 [ 42.511881] RAX: 0000000000000000 RBX: ffffed10030a9f78 RCX: ffffffff813a4050 [ 42.513174] RDX: ffff888019b3d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.514475] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030a9f2f [ 42.515785] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.517075] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801854fdf8 [ 42.518361] FS: 00007f1cfad2b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.519823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.520885] CR2: 00007ffd1fdafef7 CR3: 00000000077db000 CR4: 0000000000350ef0 [ 42.522177] Call Trace: [ 42.522695] [ 42.523103] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.524143] ? __create_object+0x59/0x80 [ 42.524852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.525796] __vmalloc_noprof+0x59/0x60 [ 42.526458] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.527191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.528049] bpf_prog_alloc+0x39/0x200 [ 42.528794] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.529607] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.530385] do_seccomp+0x349/0x25e0 [ 42.530980] ? find_held_lock+0x2b/0x80 [ 42.531685] ? do_prlimit+0x310/0x610 [ 42.532318] ? __pfx_do_seccomp+0x10/0x10 [ 42.532960] ? do_raw_spin_unlock+0x53/0x220 [ 42.533678] ? _raw_spin_unlock+0x1e/0x40 [ 42.534343] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.535121] ? static_key_count+0x60/0x80 [ 42.535845] prctl_set_seccomp+0x4e/0x70 [ 42.536538] __do_sys_prctl+0xe6c/0x1d70 [ 42.537313] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.538010] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.538841] ? irqentry_exit+0xf3/0x650 [ 42.539553] do_syscall_64+0xbf/0x430 [ 42.540248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.541096] RIP: 0033:0x7f1cfb21d5cd [ 42.541712] 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 [ 42.544419] RSP: 002b:00007ffd1fdae700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.545618] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1cfb21d5cd [ 42.546717] RDX: 000055ea03631e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.547838] RBP: 00007ffd1fdae760 R08: 0000000000000000 R09: 00007ffd1fdade00 [ 42.549043] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea0d6e5b10 [ 42.550161] R13: 00007ffd1fdaeb90 R14: 000055ea0d6e62b0 R15: 000055ea0d6fa6f0 [ 42.551303] [ 42.551729] irq event stamp: 1723 [ 42.552327] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.553643] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 42.554943] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 42.556280] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 42.557653] ---[ end trace 0000000000000000 ]--- [ 43.359817] ------------[ cut here ]------------ [ 43.360636] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.362298] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.363494] Modules linked in: [ 43.363982] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.365629] Tainted: [W]=WARN [ 43.366085] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.367302] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.368027] 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 [ 43.370654] RSP: 0018:ffff88800f107bc0 EFLAGS: 00010286 [ 43.371464] RAX: 0000000000000000 RBX: ffffed1001e20f78 RCX: ffffffff813a4050 [ 43.372524] RDX: ffff888015a95340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.373573] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e20f2f [ 43.374628] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.376022] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f107df8 [ 43.377317] FS: 00007f40d1023900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.378747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.379779] CR2: 00007f40d1515580 CR3: 000000000bf39000 CR4: 0000000000350ef0 [ 43.380844] Call Trace: [ 43.381228] [ 43.381609] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.382349] ? __create_object+0x59/0x80 [ 43.382965] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.383777] __vmalloc_noprof+0x59/0x60 [ 43.384399] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.385092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.385855] bpf_prog_alloc+0x39/0x200 [ 43.386450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.387188] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.387928] do_seccomp+0x349/0x25e0 [ 43.388520] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.389225] ? __pfx_do_seccomp+0x10/0x10 [ 43.389875] ? find_held_lock+0x2b/0x80 [ 43.390494] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.391286] ? static_key_count+0x60/0x80 [ 43.391908] prctl_set_seccomp+0x4e/0x70 [ 43.392540] __do_sys_prctl+0xe6c/0x1d70 [ 43.393152] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.393856] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.394678] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.395512] ? irqentry_exit+0xf3/0x650 [ 43.396108] do_syscall_64+0xbf/0x430 [ 43.396723] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.397505] RIP: 0033:0x7f40d15155cd [ 43.398052] 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 [ 43.400692] RSP: 002b:00007ffc36e796a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.401825] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d15155cd [ 43.403536] RDX: 000055ff541ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.404605] RBP: 00007ffc36e79700 R08: 0000000000000000 R09: 00007ffc36e78da0 [ 43.405677] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff8bd932b0 [ 43.406747] R13: 00007ffc36e79b30 R14: 000055ff8bd95d20 R15: 000055ff8bda78d0 [ 43.407824] [ 43.408180] irq event stamp: 1925 [ 43.408715] hardirqs last enabled at (1935): [] __up_console_sem+0x78/0x80 [ 43.409982] hardirqs last disabled at (1944): [] __up_console_sem+0x5d/0x80 [ 43.411245] softirqs last enabled at (1874): [] handle_softirqs+0x50c/0x770 [ 43.412529] softirqs last disabled at (1837): [] __irq_exit_rcu+0xc4/0x100 [ 43.413785] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46133' (ECDSA) to the list of known hosts. 2025/11/18 16:51:05 fuzzer started 2025/11/18 16:51:05 dialing manager at localhost:34383 2025/11/18 16:51:05 checking machine... 2025/11/18 16:51:05 checking revisions... [ 44.271200] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:51:05 testing simple program... [ 44.369506] cgroup: Unknown subsys name 'net' [ 44.431834] cgroup: Unknown subsys name 'cpuset' [ 44.447847] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:51:04 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff8880198c7b30 RDI=ffff88806ce31cd0 RBP=ffff8880198c0000 RSP=ffff88806ce089f0 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000023ce3 R12=1ffff11003318f01 R13=ffff88806ce08ab8 R14=ffff8880198c7b30 R15=ffff88806ce08a70 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007f1cfad2b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd1fda8000 CR3=000000001f6db000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022000 RBX=ffff8880166c5340 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880166c5d98 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880166c5dc0 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270c5 RFL=00000056 [---ZAP-] 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 00007f57831d6700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f22cb366000 CR3=000000000df3e000 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=2034303a31353a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034303a31353a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000