[ 38.922376] ------------[ cut here ]------------ [ 38.923294] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.925242] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.926707] Modules linked in: [ 38.927343] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.929312] Tainted: [W]=WARN [ 38.929895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.931372] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.932288] 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 [ 38.935431] RSP: 0018:ffff88801b4e7bc0 EFLAGS: 00010286 [ 38.936419] RAX: 0000000000000000 RBX: ffffed100369cf78 RCX: ffffffff813a4050 [ 38.937697] RDX: ffff888016269bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.938980] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100369cf2f [ 38.940259] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.941526] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b4e7df8 [ 38.942826] FS: 00007f15dea25900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.944279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.945335] CR2: 00007f15def17580 CR3: 0000000018a40000 CR4: 0000000000350ef0 [ 38.946615] Call Trace: [ 38.947131] [ 38.947538] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.948428] ? __create_object+0x59/0x80 [ 38.949203] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.950161] __vmalloc_noprof+0x59/0x60 [ 38.950935] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.951762] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.952682] bpf_prog_alloc+0x39/0x200 [ 38.953418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.954364] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.955266] do_seccomp+0x349/0x25e0 [ 38.955991] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.956829] ? __pfx_do_seccomp+0x10/0x10 [ 38.957617] ? find_held_lock+0x2b/0x80 [ 38.958381] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.959336] ? static_key_count+0x60/0x80 [ 38.960128] prctl_set_seccomp+0x4e/0x70 [ 38.960898] __do_sys_prctl+0xe6c/0x1d70 [ 38.961637] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.962492] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.963463] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.964425] ? irqentry_exit+0xf3/0x650 [ 38.965181] do_syscall_64+0xbf/0x430 [ 38.965913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.966823] RIP: 0033:0x7f15def175cd [ 38.967529] 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 [ 38.970685] RSP: 002b:00007fffc9e5d270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.972035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15def175cd [ 38.973306] RDX: 0000556a4dc43e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.974603] RBP: 00007fffc9e5d2d0 R08: 0000000000000000 R09: 00007fffc9e5c970 [ 38.975893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a6b92abf0 [ 38.977170] R13: 00007fffc9e5d700 R14: 0000556a6b934380 R15: 0000556a6b93f460 [ 38.978474] [ 38.978952] irq event stamp: 1765 [ 38.979559] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 38.981063] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 38.982596] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 38.983725] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 38.984770] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.400376] ------------[ cut here ]------------ [ 42.401373] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.403431] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.404972] Modules linked in: [ 42.405575] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.407677] Tainted: [W]=WARN [ 42.408279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.409745] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.410681] 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 [ 42.413946] RSP: 0018:ffff888018b1fbc0 EFLAGS: 00010286 [ 42.414965] RAX: 0000000000000000 RBX: ffffed1003163f78 RCX: ffffffff813a4050 [ 42.416247] RDX: ffff8880174c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.417548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003163f2f [ 42.418872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.420178] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b1fdf8 [ 42.421479] FS: 00007f4d68407900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.422948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.424011] CR2: 00007ffd43268ef7 CR3: 000000001b721000 CR4: 0000000000350ef0 [ 42.425324] Call Trace: [ 42.425790] [ 42.426260] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.427149] ? __create_object+0x59/0x80 [ 42.427929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.428905] __vmalloc_noprof+0x59/0x60 [ 42.429622] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.430500] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.431426] bpf_prog_alloc+0x39/0x200 [ 42.432155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.433078] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.433978] do_seccomp+0x349/0x25e0 [ 42.434671] ? find_held_lock+0x2b/0x80 [ 42.435432] ? do_prlimit+0x310/0x610 [ 42.436180] ? __pfx_do_seccomp+0x10/0x10 [ 42.436979] ? do_raw_spin_unlock+0x53/0x220 [ 42.437770] ? _raw_spin_unlock+0x1e/0x40 [ 42.438553] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.439521] ? static_key_count+0x60/0x80 [ 42.440381] prctl_set_seccomp+0x4e/0x70 [ 42.441211] __do_sys_prctl+0xe6c/0x1d70 [ 42.442034] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.442959] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.443981] ? irqentry_exit+0xf3/0x650 [ 42.444747] do_syscall_64+0xbf/0x430 [ 42.445522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.446558] RIP: 0033:0x7f4d688f95cd [ 42.447315] 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 [ 42.451045] RSP: 002b:00007ffd43266700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.452730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d688f95cd [ 42.454267] RDX: 0000564614745e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.455676] RBP: 00007ffd43266760 R08: 0000000000000000 R09: 00007ffd43265e00 [ 42.457055] R10: 0000000000000000 R11: 0000000000000246 R12: 00005646268de2b0 [ 42.458422] R13: 00007ffd43266b90 R14: 00005646268e0d20 R15: 00005646268f28d0 [ 42.459795] [ 42.460280] irq event stamp: 1739 [ 42.460963] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.462577] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.464411] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 42.466059] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.467656] ---[ end trace 0000000000000000 ]--- [ 43.272984] ------------[ cut here ]------------ [ 43.273944] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.276312] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.277877] Modules linked in: [ 43.278487] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.280513] Tainted: [W]=WARN [ 43.281112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.282629] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.283587] 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 [ 43.286860] RSP: 0018:ffff88800f52fbc0 EFLAGS: 00010286 [ 43.287826] RAX: 0000000000000000 RBX: ffffed1001ea5f78 RCX: ffffffff813a4050 [ 43.289646] RDX: ffff8880171db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.290968] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ea5f2f [ 43.292292] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.293594] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f52fdf8 [ 43.294920] FS: 00007f03cd98e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.296403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.297490] CR2: 00007ffe9d03cef7 CR3: 000000000cd27000 CR4: 0000000000350ef0 [ 43.298832] Call Trace: [ 43.299344] [ 43.299753] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.300667] ? __create_object+0x59/0x80 [ 43.301477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.302475] __vmalloc_noprof+0x59/0x60 [ 43.303251] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.304195] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.305392] bpf_prog_alloc+0x39/0x200 [ 43.306166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.307116] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.308037] do_seccomp+0x349/0x25e0 [ 43.308726] ? find_held_lock+0x2b/0x80 [ 43.309492] ? do_prlimit+0x310/0x610 [ 43.310256] ? __pfx_do_seccomp+0x10/0x10 [ 43.311066] ? do_raw_spin_unlock+0x53/0x220 [ 43.311927] ? _raw_spin_unlock+0x1e/0x40 [ 43.312675] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.313669] ? static_key_count+0x60/0x80 [ 43.314502] prctl_set_seccomp+0x4e/0x70 [ 43.315305] __do_sys_prctl+0xe6c/0x1d70 [ 43.316114] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.317001] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.317999] ? irqentry_exit+0xf3/0x650 [ 43.318745] do_syscall_64+0xbf/0x430 [ 43.319503] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.320512] RIP: 0033:0x7f03cde805cd [ 43.321235] 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 [ 43.324471] RSP: 002b:00007ffe9d03b670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.325867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03cde805cd [ 43.327206] RDX: 0000556168b40e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.328514] RBP: 00007ffe9d03b6d0 R08: 0000000000000000 R09: 00007ffe9d03ad70 [ 43.329802] R10: 0000000000000000 R11: 0000000000000246 R12: 000055617841dbf0 [ 43.331150] R13: 00007ffe9d03bb00 R14: 0000556178427380 R15: 0000556178432460 [ 43.332477] [ 43.332967] irq event stamp: 1831 [ 43.333594] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 43.335152] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 43.336692] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 43.338271] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 43.339685] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49122' (ECDSA) to the list of known hosts. 2025/11/18 16:45:47 fuzzer started 2025/11/18 16:45:47 dialing manager at localhost:34383 2025/11/18 16:45:47 checking machine... 2025/11/18 16:45:47 checking revisions... [ 44.256898] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:45:47 testing simple program... [ 44.345392] cgroup: Unknown subsys name 'net' [ 44.393911] cgroup: Unknown subsys name 'cpuset' [ 44.418266] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:45:47 Registers: info registers vcpu 0 RAX=000000000003c517 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 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=00007fff101baa38 CR3=0000000005c8a000 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=00007f6d264a351000005597437da790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000008d042cd4 RBX=ffff88801771b780 RCX=00000000b46726a2 RDX=00000000d8cb4be8 RSI=ffff88801771c250 RDI=000000008a862f37 RBP=ffff88801771c1d8 RSP=ffff88800f637268 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801771c250 R13=8537a2c8de19d857 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815275ae RFL=00000883 [-OS---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 00007f68b6267700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4d689bc650 CR3=000000000ec4b000 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=3a5d3933325b646873732036343a3534 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383538 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000